(a) 7.27 m (b) m (c) 5.38 m (d) 5380 m (e) m
|
|
- Joleen Copeland
- 6 years ago
- Views:
Transcription
1 1. The density of liquid cesium at 30 C is 1.87 g/ml. Because of its wide liquid range (28 to 678 C), cesium could be used as a barometer fluid at high temperatures. What height of cesium will be supported on a day when the temperature is 30 C and a mercury barometer reads 740 torr? (The density of mercury is 13.6 g/ml.) (a) 7.27 m (b) m (c) 5.38 m (d) 5380 m (e) m 2. A cylinder with a moveable piston contains 26.4 cm 3 of a gas at 21 C. If the maximum capacity of the cylinder is 56.8 cm 3, what is the temperature to which the cylinder must be heated to extend the piston to its maximum position? (a) 360 C (b) 462 C (c) 633 C (d) 532 C (e) 280 C 3. A weather balloon is filled with helium to a volume of 31.5 L at 20 C and 1.3 atm. In the stratosphere the temperature and pressure are 23 C and atm respectively. What will be the volume of the balloon in the stratosphere? (a) L (b) L (c) L (d) L (e) L
2 4. A 4.40 g piece of solid CO 2 (dry ice) is allowed to sublime in a balloon. The final volume of the balloon is 1.00 L at 300 K. What is the pressure of the gas? (a) 246 atm (b) 2.46 atm (c) atm (d) 122 atm (e) 24.6 atm 5. Four identical 1.0- L flasks contain the following gases each at 0 C and 1 atm pressure. Which gas has the lowest density? (a) HCl (b) Cl 2 (c) CH 4 (d) SO 2 (e) C 2 H 4 6. Which of the following samples contains molecules with the greatest average kinetic energy? (a) 1.0 mol N 2 at 580 K (b) 0.3 mol CO 2 at 440 K (c) 2.0 mol CO at 298 K (d) 0.5 mol O 2 at 480 K (e) 2.5 mol N 2 O at 140 K 7. A mixture of neon and argon is 25.0% neon by mass. What is the partial pressure of neon in the mixture at standard temperature and pressure (0 C and 1 atm)? The atomic masses of Ne and Ar are and g/mol, respectively. (a) 460 torr (b) 301 torr (c) 520 torr (d) 250 torr (e) 380 torr
3 8. Which gases, N 2 O, C 2 H 2, NO, diffuse more slowly than O 2 under identical experimental conditions? (a) N 2 O only (b) C 2 H 2 only (c) NO only (d) NO and C 2 H 2 (e) N 2 O and C 2 H 2 9. Which of the following gases will exhibit the least ideal behavior? (a) N 2 (b)n 2 H 4 (c) CH 4 (d) Ne (e) F Which of the following effects will make PV/RT less than 1 for a 1.0 mole sample of a real gas? (a) The gas molecules are large enough to occupy a substantial amount of space (b) A large number of molecules have speeds greater than the average speed. (c) The gas molecules have very low molecular weights. (d) The gas molecules attract one another (e) The gas molecules are placed in a larger container 11. Which of the following substances has the lowest normal boiling point? (a) H 2 O (b) H 2 S (c) H 2 Se (d) H 2 Te 12. For each of the following pairs determine the substance with the higher normal boiling point: (1) Cl 2 or Br 2, (2) acetic acid CH 3 COOH or 1-propanol CH 3 CH 2 CH 2 OH, (3) SO 2 or CO 2. (a) Higher normal boiling point = Cl 2, CH 3 COOH and SO 2 (b) Higher normal boiling point = Br 2, CH 3 CH 2 CH 2 OH and SO 2 (c) Higher normal boiling point = Cl 2, CH 3 COOH and SO 2 (d) Higher normal boiling point = Br 2, CH 3 COOH and SO 2 (e) Higher normal boiling point = Br 2, CH 3 COOH and CO 2
4 13. Three organic molecules are shown below: acetone, 2-methyl propane and isopropanol. acetone 2-methyl propane isopropanol CH 3 COCH 3 CH 3 CHCH 3 CH 3 CH 3 CHOHCH 3 molar mass = 58 g/mol molar mass = 57 g/mol molar mass = 60 g/mol Which of the following answers correctly arranges these three substances in order of increasing normal boiling point? (a) Lowest b.p. CH 3 COCH 3 < CH 3 CHCH 3 CH 3 < CH 3 CHOHCH 3 (b) Lowest b.p. CH 3 CHCH 3 CH 3 < CH 3 COCH 3 < CH 3 CHOHCH 3 (c) Lowest b.p. CH 3 CHOHCH 3 < CH 3 COCH 3 < CH 3 CHCH 3 CH 3 (d) Lowest b.p. CH 3 CHCH 3 CH 3 < CH 3 CHOHCH 3 < CH 3 COCH 3 (e) Lowest b.p. CH 3 CHOHCH 3 < CH 3 CHCH 3 CH 3 < CH 3 COCH 3 highest b.p. highest b.p. highest b.p. highest b.p. highest b.p. 14. Given below are the temperatures at which two different liquid compounds with the same empirical formula have a vapor pressure of 400 torr. Compound Temperature ( C) Dimethyl ether, H 3 COCH Ethanol, CH 3 CH 2 OH 63.5 Which of the following statements is FALSE? (a) Increasing the temperature will increase the vapor pressure of both liquids. (b) Intermolecular attractive forces are stronger in (liquid) ethanol than in (liquid) dimethyl ether. (c) The normal boiling point of dimethyl ether will be higher than the normal boiling point of ethanol. (d) The reason that ethanol reaches a vapor pressure of 400 torr at a higher temperature than dimethylether is that there is strong hydrogen bonding in ethanol, but not in dimethyl ether. 15. Which of the following phase transitions is exothermic? (a) Vaporization (b) Melting (c) Sublimation (d) Freezing (e) None of the above processes are exothermic
5 16. Which of the following statements regarding viscosity is FALSE? (a) Viscosity increases as the strength of the intermolecular forces increases (b) Viscosity increases as the temperature decreases (c) Viscosity is generally higher for a liquid with large nonpolar molecules than it is for a liquid with small nonpolar molecules (d) All other things being equal viscosity is higher for a liquid with rigid molecules than it is for a liquid with flexible molecules (e) As the number of hydrogen bonds a molecule can form increases the viscosity increases 17. If 40.0 kj is added to 36.0 g of solid H 2 O (ice) initially at a temperature of 25.0 C what is the final temperature of the H 2 O? The specific heat of solid H 2 O is 2.03 J/g K, liquid H 2 O is 4.18 J/g K, and gaseous H 2 O is 1.84 J/g K. The heat of fusion is 6.01 kj/mol and the heat of vaporization is kj mol. The melting and boiling points of water are 0 and 100 C respectively. (a) 273 K (b) 312 K (c) 405 K (d) 373 K (e) 380 K 18. Which of the following descriptions best describes the characteristics of molecules that are prone to form liquid crystalline phases? (a) Nonpolar, rigid molecules with a rodlike shape (b) Polar, rigid molecules with a rodlike shape (c) Nonpolar, flexible molecules with a spherical shape (d) Polar, rigid molecules with a spherical shape (e) Polar, flexible molecules with a rodlike shape
6 19. The table below gives the temperature and pressure of the triple point for five different substances. Substance Temperature (K) Pressure (atm) Xe UF I CO Zn On heating from low temperature at 1 atm of pressure which substance is most likely to sublime rather than melt? (a) Xe (b) UF 6 (c) I 2 (d) CO (e) Zn 20. Consider the properties of ruthenium (IV) oxide and ruthenium (VIII) oxide given in the table below Compound Appearance Melting point Electrical Properties Solubility in H 2 O RuO 2 Black crystalline solid 1300 C Conducting Insoluble RuO 4 Yellow crystalline solid 25 C Insulating Slightly soluble How would you classify these two solids? a. Both RuO 2 and RuO 4 are ionic solids b. Both RuO 2 and RuO 4 are metallic solids c. Both RuO 2 and RuO 4 are molecular solids d. RuO 2 is a covalent- network solid and RuO 4 is a molecular solid e. RuO 2 is a ionic solid and GeBr 4 is an molecular solid
7 21. For the 2D crystal structure shown below what is the lattice type and how many atoms are there per unit cell? (a) Lattice = rectangular, Atoms per unit cell = 1 A + 2 B (b) Lattice = rectangular, Atoms per unit cell = 1 A + 3 B (c) Lattice = square, Atoms per unit cell = 1 A + 3 B (d) Lattice = square, Atoms per unit cell = 1 A + 1 B (e) Lattice = square, Atoms per unit cell = 1 A + 2 B 22. For the 2D crystal structure shown below what is the lattice type and how many atoms are there per unit cell? (a) Lattice = hexagonal, Atoms per unit cell = 1 A + 1 B (b) Lattice = oblique, Atoms per unit cell = 1 A + 2 B (c) Lattice = centered rectangular, Atoms per unit cell = 2 A + 4 B (d) Lattice = rectangular, Atoms per unit cell = 1 A + 1 B (e) Lattice = hexagonal, Atoms per unit cell = 1 A + 2 B
8 23. Which of the following properties of metals cannot be adequately explained by the electron sea model? (a) The high electrical conductivity of metals (b) The high thermal conductivity of metals (c) The close packed structures of most metals (d) The high melting points of metals in the middle of the transition series, like rhenium (Re) and tungsten (W) (e) The low melting points of metals at the very end of the transition series, like cadmium (Cd) and mercury (Hg) 24. Tantalum crystallizes with a body centered cubic structure. Given the molar mass ( g/mol) and the density of tantalum, ρ = g/cm 3 at 20 C, what value would you calculate for the radius of a tantalum atom? (a) 1.16 Å (0.116 nm) (b) 1.25 Å (0.125 nm) (c) 1.35 Å (0.135 nm) (d) 1.42 Å (0.142 nm) (e) 1.54 Å (0.154 nm) 25. Which of the following metals will have the highest melting point: Rb, Re, Sr, Cd or Au? a. Rb b. Re c. Sr d. Cd e. Au 26. One unit cell of the crystal structure of a cubic compound that forms between copper and oxygen is shown below (the black spheres are copper and the gray spheres are oxygen). If the density of this compound is 4.95 g/cm 3, and the ionic radius of the oxide ion is 1.26 Å, what is the radius of the copper ion? Assume the atoms touch along the bonds shown in the figure. a Å b Å c Å d Å e Å
9 27. If you were to take the zinc blende crystal structure and make all of the atoms the same, what structure type would result? (a) Hexagonal close packed metal (e.g. Zn) (b) Face centered cubic metal (e.g. Al) (c) Body centered cubic metal (e.g. Na) (d) Primitive cubic metal (e.g. Po) (e) Diamond structure (e.g. Si) 28. Which of the following statements is false? a. In a semiconductor the molecular orbitals in the valence band are filled and those in the conduction band are empty b. In a semiconductor the molecular orbitals in the conduction band are bonding molecular orbitals and those in the valence band are antibonding molecular orbitals c. Replacing a tiny fraction of silicon atoms with aluminum atoms would produce a p- type semiconductor d. As the bond distance in a semiconductor increases the band gap decreases e. Many compound semiconductors have the zinc blende structure 29. Arrange the following compound semiconductors from lowest to highest band gap: GaP, GaN, InSb, InAs (a) Smallest band gap InAs < InSb < GaN < GaP Largest band gap (b) Smallest band gap GaN < GaP < InAs < InSb Largest band gap (c) Smallest band gap InSb < InAs < GaP < GaN Largest band gap (d) Smallest band gap InSb < InAs < GaN < GaP Largest band gap (e) Smallest band gap GaN < GaP < InAs < InSb Largest band gap 30. The first light emitting diodes (LEDs) were made from GaAs which has a band gap of 1.43 ev. What wavelength of light would be emitted from an LED built from GaAs? (a) 565 nm (green light) (b) 868 nm (infrared light) (c) 477 nm (blue light) (d) 680 nm (red light) (e) None of the above
10 Equations Pressure P = F a Ideal gas law PV = nrt Dalton s Law of Partial Pressures P Tot RT RT RT = P1 + P2 + P = n1 + n2 + n V V V Kinetic energy Root mean square speed of a gas mu E kinetic = 2 2 3RT u rms = M 2 n a V van der Waals Equation P ( V nb) = nrt + 2 Physical Constants and Conversion Factors Avogadro s Number N = Planck s Constant h = J- s Speed of Light c = m/s Charge of an Electron e = C Ideal Gas Constant R = L- atm/mol- K = J/mol- K = L- torr/mol- K Atmospheric Pressure 1 atm = 760 torr = 760 mm Hg = 101,325 Pa = bar Temperature Conversions K = C STP 273 K and 1 atm 1 ml = 1 cm 3 1 Å = cm = m
11 IA 1 H IIA IIIA IVA VA VIA VIIA 3 Li Na K Rb Cs Fr (223) 4 Be Mg IIIB VIB VB VIB VIIB IB IIB 20 Ca Sr Ba Ra (226) 21 Sc Y La * Ac (227) 22 Ti Zr Hf Unq (261) 23 V Nb Ta Unp (262) 24 Cr Mo W Unh (263) 25 Mn Tc (98) 75 Re Uns (262) 26 Fe Ru Os Uno 27 Co Rh Ir Une 28 Ni Pd Pt Cu Ag Au Zn Cd Hg B Al Ga In Tl C Si Ge Sn Pb N P As Sb Bi O S Se Te Po (209) 9 F Cl Br I At (210) VIIIA 2 He Ne Ar Kr Xe Rn (222) * Lanthanide Series 58 Ce Pr Nd Pm (145) 62 Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Actinide Series 90 Th Pa U Np (237) 94 Pu (244) 95 Am (243) 96 Cm (247) 97 Bk (247) 98 Cf (251) 99 Es (252) 100 Fm (257) 101 Md (258) 102 No (259) 103 Lr (260)
Part 1. Preparation and Color of Solutions. Experiment 1 (2 session lab) Electrons and Solution Color. Pre-lab Report, page 29
Experiment 1 (2 session lab) Electrons and Solution Color Pre-lab Report, page 29 Session 1 One hour discussion (E2) Two hour lab (E1) Aim to complete Parts 1, 2, and 3 of E1. Part 1. Preparation and Color
More informationGroups of Elements 3B 5B 6B 7B 2 C. 10 Na. 36 Rb. 54 Cs. 86 Fr. 57 Ac. 71 Th. Nitrogen group. Alkali metals. Alkaline earth metals.
Groups of Elements * * Li He C N O 8 F 9 Ne 0 B Be H Al Si P S Cl Ar 8 K 9 Ca 0 Sc Ti V Cr Mn Fe Co Ni 8 Cu 9 Zn 0 Ga Ge As Se Br Kr Rb Sr 8 Y 9 Zr 0 Nb Mo Tc Ru Rh Pd Ag Cd 8 In 9 Sn 0 Sb Te I Xe Cs Ba
More informationFamilies on the Periodic Table
Families on the Periodic Table Elements on the periodic table can be grouped into families based on their chemical properties. Each family has a specific name to differentiate it from the other families
More informationWhere do we start? ocreate the Universe oform the Earth and elements omove the elements into their correct positions obuild the atmosphere and oceans
Where do we start? ocreate the Universe oform the Earth and elements omove the elements into their correct positions obuild the atmosphere and oceans 1 The BIG BANG The Universe was created 13.8 billion
More informationUK Baseline Geochemistry: A Key Environmental Yardstick
UK Baseline Geochemistry: A Key Environmental Yardstick Geochemical Baselines and Medical Geology Team Content Geochemical baselines G-BASE project Applications how the data have been used and what can
More informationE2S Denver Convention Center Denver, Colorado
E2S2 2010 Denver Convention Center Denver, Colorado Paul Brezovec, CEF, CTC Michael Miller, CTC Testing Room Temperature Ionic Liquid Solutions for Depot Repair of Aluminum Coatings Wednesday, June 16,
More informationEvidence of Performance regarding the requirements for float glass according to EN 572
Evidence of Performance regarding the requirements for float glass according to EN 572 Test Report 605 32401 Client Noval Glass Industrial Group (China) Co., Ltd. Noval Glass Industiral Zone Qingdao, 523965
More informationThis resource contains three different versions of the periodic table, including a blank one for colouring!
Teaching notes This resource contains three different versions of the periodic table, including a blank one for colouring! It also contains tables of the Group 0, 1 and 7 elements with a few columns for
More information6) Place the following substances in order of increasing vapor pressure at a given temperature.
CHM2045 F12 Exam #3 2012.12.07 MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Choose the substance with the lowest viscosity. A) Cl 3 CCHCl 2
More informationDr Nick Voulvoulis. Presentation at the Industrial Waste & Wastewater Treatment & Valorisation conference May 2015, Athens, Greece
Centre for Environmental Policy Environmental Quality Research Mining in the context of sustainable management of natural capital: the importance of waste recycling and reuse Presentation at the Industrial
More informationChem. 451 (Spring, 2005) Final Exam (100 pts)
hem. 451 (Spring, 2005) Final Exam (100 pts) Name: --------------------------------------------------------, Student lid #: ----------------------, May 7, 2005 LAST, First ircle the alphabet segment of
More informationElements. The periodic table organizes elements by their chemical properties. Main Idea. Key Terms group period nonmetal family metal metalloid
Section 3 5B, 5C s The periodic table organizes elements by their chemical properties. Some elements are metals. Some elements are nonmetals or metalloids. Elements Key Terms group period nonmetal family
More informationChemistry I. Final Examination Reference Materials
Chemistry I Final Examination Reference Materials DO NOT WRITE IN THIS BOOKLET Chemistry I: final Exam REFERENCE 2013 April 13 Miscellaneous 1 mole = 6.02 x 10 23 representative particles 1 mole = 22.4
More informationsystematic table of elements
systematic table of elements increasing num mber of electrons increasin ng atomar mass Be B C N O F Ne hydrogen (1 electron) helium (2 electrons) lithium (3 electrons) beryllium (4 electrons) boron (5
More information(3) The compound boron nitride (BN) has a high melting point (2967 ºC), high density, and is very hard. What is the best classification of this solid?
Solids and Liquids Name: Period: (1) Identify the type of solid formed by each compound. (a) Ag (b) CO 2 (c) SiO 2 (d) wax (e) MgCl 2 (f) Fe (g) graphite (h) SO 2 (i) CaCO 3 (j) I 2 (k) rubber (l) SiC
More informationSemiconductors. Types of Solids. Figure 10.30: Energy-level diagrams for (a) an n-type semiconductor and (b) a ptype semiconductor.
Figure 102: Partial representation of the molecular orbital energies in (a) diamond and (b) a typical metal Figure 1024: The p orbitals (a) perpendicular to the plane of the carbon ring system in graphite
More informationAIM: SWBAT determine the location of metals, nonmetals and metalloids on the periodic table. What is another name for a column in the periodic table?
th Grade Science Metals, nonmetals and metalloids Name Date: UNIT 1 LESSON 1 Do Now AIM: SWBAT determine the location of metals, nonmetals and metalloids on the periodic table Directions: Answer the following
More informationSCOPE OF ACCREDITATION TO ISO GUIDE 34:2009
SCOPE OF ACCREDITATION TO ISO GUIDE 34:2009 SCP SCIENCE 21800 Clark Graham Baie d'urfe, Quebec H9X 4B6 CANADA David Smith Phone: 514 457 0701 dsmith@scpscience.com REFERENCE MATERIAL PRODUCER Valid To:
More informationLower Cost Higher Performance Graphite for LIBs. Prepared by: Dr. Edward R. Buiel President and CEO Coulometrics, LLC. Date: March 23, 2017
Lower Cost Higher Performance Graphite for LIBs Prepared by: Dr. Edward R. Buiel President and CEO Coulometrics, LLC. Date: March 23, 2017 Outline Company overview Review of natural graphite resources
More informationThin film deposition for next generation DRAM structures
Thin film deposition for next generation DRAM structures ISPR 2017 13.09.2017 J. Torgersen, F. Berto, F. Prinz, W. Cai NTNU Trondheim/ Stanford University NTNU 10/16/2017 40000 students 50 faculties Nobel
More informationWHERE SHOULD ALUMINUM GO IN THE PERIODIC TABLE?.pdf
Laval University From the SelectedWorks of Fathi Habashi November, 2008 WHERE SHOULD ALUMINUM GO IN THE PERIODIC TABLE?.pdf Fathi Habashi Available at: https://works.bepress.com/fathi_habashi/175/ WHERE
More informationChapter 16. Liquids and Solids. Chapter 16 Slide 1 of 87
Chapter 16 Liquids and Solids Chapter 16 Slide 1 of 87 Chapter Preview Intramolecular forces determine such molecular properties as molecular geometries and dipole moments. Intermolecular forces determine
More informationNew GCSE 4462/02 SCIENCE A HIGHER TIER CHEMISTRY 1
Surname Other Names Centre Number 0 Candidate Number New GCSE 4462/02 SCIENCE A HIGHER TIER CHEMISTRY 1 ADDITIONAL MATERIALS A.M. WEDNESDAY, 18 January 2012 1 hour In addition to this paper you may require
More informationThermodynamic and Mobility Databases Overview
Thermodynamic and Mobility Databases Overview 2016 www.thermocalc.com ǀ info@thermocalc.com Thermodynamic and Mobility Databases Database Overview Thermo Calc Software offers a wide spectrum of high quality
More informationHigh Purity Acids Trace Elemental Analysis. Detect as low as 1 to 100 ppt
High Purity Acids Trace Elemental Analysis Detect as low as 1 to 100 ppt High purity acids If you are looking for acids, look no further. Whether you are analyzing environmental samples, etching glass,
More informationSoil quality and links to health
Soil quality and links to health Fiona Fordyce British Geological Survey Edinburgh fmf@bgs.ac.uk Chemical Quality of the Environment Naturally Occurring Elements: approximately 26 are essential to plant/animal/human
More informationXRF DRIFT MONITORS DATA CALIBRATION MATERIAL
UNIQUE PRODUCTS FROM ONE SOURCE XRF DRIFT MONITORS DATA CALIBRATION MATERIAL KEY FEATURES Monitor Composition The monitors are manufactured as stable fortified glass discs that are used to correct for
More informationCHAPTER 5 IMPERFECTIONS IN SOLIDS PROBLEM SOLUTIONS
CHAPTER 5 IMPERFECTIONS IN SOLIDS PROBLEM SOLUTIONS Vacancies and Self-Interstitials 5.1 Calculate the fraction of atom sites that are vacant for copper at its melting temperature of 1084 C (1357 K). Assume
More informationUnit 1 The Solid State
Points to Remember Amorphous and Crystalline Solids Unit 1 The Solid State Amorphous- short range order, Irregular shape eg-glass Crystalline Solids- long range order, regular shape eg : NaCl Molecular
More informationSUB-Programs - Calibration range Fe Base for "PMI-MASTER Pro" Spark - mode Fe 000
SUB-Programs - Calibration range Fe Base for "PMI-MASTER Pro" Spark - mode Fe 100 Fe 200 *** Fe 250 *** Fe 300 Fe 400 Fe 500 Fe 000 Fe low alloy steel cast iron Cr hard / Ni resist stainless steel tool
More informationPoint Defects in Metals
CHAPTER 5 IMPERFECTIONS IN SOLIDS PROBLEM SOLUTIONS Point Defects in Metals 5.1 Calculate the fraction of atom sites that are vacant for lead at its melting temperature of 327 C (600 K). Assume an energy
More informationFree Electron Model What kind of interactions hold metal atoms together? How does this explain high electrical and thermal conductivity?
Electrical Good conductors of heat & electricity Create semiconductors Oxides are basic ionic solids Aqueous cations (positive charge, Lewis acids) Reactivity increases downwards in family Mechanical Lustrous
More informationPacking of atoms in solids
MME131: Lecture 6 Packing of atoms in solids A. K. M. B. Rashid Professor, Department of MME BUET, Dhaka Today s topics Atomic arrangements in solids Points, directions and planes in unit cell References:
More informationCHAPTER 3: CRYSTAL STRUCTURES & PROPERTIES
CHAPTER 3: CRYSTAL STRUCTURES & PROPERTIES ISSUES TO ADDRESS... How do atoms assemble into solid structures? (for now, focus on metals) How does the density of a material depend on its structure? When
More informationAn Organized Table Worksheet Due Thursday Name: Date: Period:
An Organized Table Worksheet Due Thursday Name: Date: Period: The Periodic Table of Elements In 1871, the first periodic table was developed by Dmitrii Mendeleev. Mendeleev is known as the father of the
More informationSorting and Drying Code Price Unit. Sorting and Boxing of Samples, received as pulps SORTBOX 0.00 Sample
Sample Preparation Sorting and Drying Sorting and Boxing of Samples, received as pulps SORTBOX 0.00 Sample Sorting and Drying of Samples, prior to preparation SORTDRY 0.00 Sample Reporting of Sample Weight,
More informationFree Electron Model What kind of interactions hold metal atoms together? How does this explain high electrical and thermal conductivity?
Electrical Good conductors of heat & electricity Create semiconductors Oxides are basic ionic solids Aqueous cations (positive charge, Lewis acids) Reactivity increases downwards in family Free Electron
More informationDatabase. Sept , 2014, Aachen, Germany. Thermo-Calc Anwendertreffen
Database Sept. 11-12, 2014, Aachen, Germany Thermo-Calc Anwendertreffen Thermodynamic and kinetic databases New Databases, June 2014 TCAL3 TCMG3 TCSLD2 TCSI1 TCNI7 MOBNI3 TCAL3.0 TCAL3.0 TCAL1.0 2011.05
More informationPeriodic Table of the Elements Current View MCHS Periodic Table of the Elements
Periodic Table of the Elements Current View MCHS Periodic Table of the Elements 1 18 1 H hydrogen 1.0 2 13 14 15 16 17 2 He helium 4.0 3 Li lithium 7.0 4 Be beryllium 9.0 5 B boron 10.8 6 C carbon 12.0
More informationChapter: The d and f Block Elements
Chapter: The d and f Block Elements Introduction to d block elements Question 1 In Tc ( Z = 43) and Tb( Z = 65) which one is inner transition metal and which one is transition metal and why? The outer
More informationENERGY AND PACKING. Chapter 3 CRYSTAL STRUCTURE & PROPERTIES MATERIALS AND PACKING METALLIC CRYSTALS ISSUES TO ADDRESS...
Chapter 3 CRYSTAL STRUCTURE & PROPERTIES ISSUES TO ADDRESS... 1. How do s assemble into solid structures? (For now, focus on metals) ENERGY AND PACKING non dense, random packing bond energy Energy bond
More informationThe Mendeleev Activity
Name Date Period The Mendeleev Activity Chemistry; Coleman Use your knowledge of the periodic table to determine the identity of each of the nine unknown elements in this activity. Procedure: o The unknown
More informationBasic Electricity. Learning Objec=ves. Defini=on 9/27/11
Basic Electricity EAS 199A Lecture Notes Learning Objec=ves Successful comple=on of this module will enable students to Link the basic model of an atom to the flow of electricity Apply the defini=ons of
More informationCHAPTER 5 IMPERFECTIONS IN SOLIDS PROBLEM SOLUTIONS ev /atom = exp. kt ( =
CHAPTER 5 IMPERFECTIONS IN SOLIDS PROBLEM SOLUTIONS Vacancies and Self-Interstitials 5.1 Calculate the fraction of atom sites that are vacant for copper at its melting temperature of 1084 C (1357 K). Assume
More informationBasic Electricity. EAS 199A Lecture Notes
Basic Electricity EAS 199A Lecture Notes Learning Objec:ves Successful comple:on of this module will enable students to Link the basic model of an atom to the flow of electricity Apply the defini:ons of
More informationAlloys and Solid Solutions
Alloys and Solid Solutions Chemistry 123 Spring 2008 Dr. Woodward Solutions Solid Solution 14 Carat Gold Liquid Solution Vodka Gaseous Solution Air Solution = A homogeneous mixture 1 Alloys An alloy is
More informationALE 20. Crystalline Solids, Unit Cells, Liquids and the Uniqueness of Water
Name Chem 162, Section: Group Number: ALE 20. Crystalline Solids, Unit Cells, Liquids and the Uniqueness of Water (Reference: pp. 463 473 of Sec. 12.6 Silberberg 5 th edition) How are the particles within
More informationChemistry. Ionic Compounds. Inside:
hemistry Judy van der Velden. reative ommons licence. onic Bonding Practice Grade 10 cience onic ompounds onic compounds are chemical compounds in which ions are held together in a lattice structure by
More informationTechnological Aspects of Metal Nanopowders
PHYSICS and CHEMISTRY of NANOMATERIALS, lecture 6 Alexander A. Gromov gromov@tpu.ru Chair of Silicates and Nanomaterials, Faculty of Chemical Technology, Tomsk Polytechnic University, RUSSIA Technological
More informationparticles/mole
Chemistry Reference Tables Name Value Avogadro s number 6.0 10 particles/mole 0.081 L atm mole K Gas constant (R) 6. L mmhg mole K 8.1 L kpa mole K Standard pressure Standard temperature Volume of 1 mole
More informationCh 12 End of Chapter - Study Questions
Ch 12 End of Chapter - Study Questions Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. All atoms of actinides a. are radioactive. b. have
More informationINORGANIC CHEMISTRY LANTHANIDES
INORGANIC CHEMISTRY Topic: 5 LANTHANIDES LONG ANSWER QUESTIONS 1. What are the general characteristics of Lanthanides.. Ans: F BLOCK ELEMENTS The elements in which the differentiating electron enters the
More informationAccredited Laboratory
Accredited Laboratory A2LA has accredited WESTMORELAND MECHANICAL TESTING & RESEARCH Youngstown, PA for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance
More informationFall 2007 October 18,2007
1 26.9815 Chemistry 121 Exam 1 Fall 2007 October 18,2007 Oregon State University Dr. Richard Nafshun Instructions: You should have with you several number two pencils, an eraser, your 3" x 5" note card,
More informationChemistry Data Booklet Access 3 and Intermediate 1
Chemistry Data Booklet Access 3 and Intermediate 1 For use in National Qualification Courses leading to the 2007 examinations and beyond. Published date: January 2007 Publication code: BB3572 ISBN: 978
More informationFundamental concepts and language Unit cells Crystal structures! Face-centered cubic! Body-centered cubic! Hexagonal close-packed Close packed
Fundamental concepts and language Unit cells Crystal structures! Face-centered cubic! Body-centered cubic! Hexagonal close-packed Close packed crystal structures Density computations Crystal structure
More informationChemistry 145 Exam number 4 name 11/19/98 # Faraday s constant is 96,500 c/mole of electrons.
Chemistry 145 Exam number 4 name 11/19/98 # Faraday s constant is 96,500 c/mole of electrons. A.(16) An electrochemical cell is prepared with a strip of manganese metal dipping in to a 1.0 M MnSO 4 solution
More informationCrystal Structures of Interest
rystal Structures of Interest Elemental solids: Face-centered cubic (fcc) Hexagonal close-packed (hcp) ody-centered cubic (bcc) Diamond cubic (dc) inary compounds Fcc-based (u 3 u,nal, ß-ZnS) Hcp-based
More informationCLASSIFICATION OF METALS INTO FAMILIES WITH COMMON CHEMICAL CHARACTERISTICS
CLASSIFICATI F METALS IT FAMILIES WITH CMM CHEMICAL CHARACTERISTICS I A Li II A Be III A a Mg I B - VIII B (Transition Metals) Al K Ca Sc Ti V Cr Mn Fe Co i Cu Zn Ga IV A VA Rb Sr Y Zr b Mo Tc Ru Rh Pd
More informationPrimitive cells, Wigner-Seitz cells, and 2D lattices. 4P70, Solid State Physics Chris Wiebe
Primitive cells, Wigner-Seitz cells, and 2D lattices 4P70, Solid State Physics Chris Wiebe Choice of primitive cells! Which unit cell is a good choice?! A, B, and C are primitive unit cells. Why?! D, E,
More informationMETALLIC MATERIALS SPECIFICATION HANDBOOK
METALLIC MATERIALS SPECIFICATION HANDBOOK METALLIC MATERIALS SPECIFICATION HANDBOOK FOURTH EDITION Robert B. Ross Ross Materials Technology Ltd, East Kilbride, Glasgow Volume I SPRINGER-SCIENCE+BUSINESS
More informationA fivefold increase of carbon efficiency is easily available. How can we prevent it from being gobbled up by additional consumption?
A fivefold increase of carbon efficiency is easily available. How can we prevent it from being gobbled up by additional consumption? Prof. Ernst Ulrich von Weizsäcker, Co-Chair The Copenhagen climate conference
More informationCandidate Number. In addition to this paper you will require: a calculator. Number
Surname Other Names Leave blank Centre Number Candidate Number Candidate Signature General Certificate of Education January 2005 Advanced Subsidiary Examination CHEMISTRY CHM2 Unit 2 Foundation Physical
More informationSummary of Geochemical Atlas Information
G-BASE Internet Information Summary of Geochemical Atlas Information Version 1.1 31 st March 2006 atlassummaries.pdf Page 1 of 17 Summary Atlas Information 8. Argyll 17. East Anglia 7. East Grampians 16.
More informationChem 241. Lecture 19. UMass Amherst Biochemistry... Teaching Initiative
Chem 241 Lecture 19 UMass Amherst Biochemistry... Teaching Initiative Announcement March 26 Second Exam Recap Water Redox Comp/Disproportionation Latimer Diagram Frost Diagram Pourbaix Diagram... 2 Ellingham
More informationInternational General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS. PAPER 3 OCTOBER/NOVEMBER SESSION hour 15 minutes
Centre Number www remepapers.com Candidate Name International General Certificate of Secondary Education CAMBRIDGE INTERNATIONAL EXAMINATIONS CHEMISTRY 0620/3 PAPER 3 OCTOBER/NOVEMBER SESSION 2002 1 hour
More informationAP Chemistry A. Allan Chapter 18 - The Representative Elements: Groups 1A through 4A
AP Chemistry A. Allan Chapter 18 - The Representative Elements: Groups 1A through 4A 18.1 A Survey of the Representative Elements A. Basic Trends 1. Metals tend to lose electrons and form cations 2. Nonmetals
More informationThe content assessed by the examination papers and the type of questions is unchanged.
Location Entry Codes As part of CIE s continual commitment to maintaining best practice in assessment, CIE uses different variants of some question papers for our most popular assessments with large and
More informationSpecification for Phase VII Benchmark
Specification for Phase VII Benchmark UO 2 Fuel: Study of spent fuel compositions for long-term disposal John C. Wagner and Georgeta Radulescu (ORNL, USA) November, 2008 1. Introduction The concept of
More information3.40 Sketch within a cubic unit cell the following planes: (a) (01 1 ) (b) (112 ) (c) (102 ) (d) (13 1) Solution
3.40 Sketch within a cubic unit cell the following planes: (a) (01 1 ) (b) (11 ) (c) (10 ) (d) (13 1) The planes called for are plotted in the cubic unit cells shown below. 3.41 Determine the Miller indices
More informationPhysicsAndMathsTutor.com. Pearson Edexcel GCSE Chemistry/Science Unit C1: Chemistry in Our World
Write your name here Surname Other names Pearson Edexcel GCSE Centre Number Chemistry/Science Unit C1: Chemistry in Our World Candidate Number Thursday 19 May 2016 Morning Time: 1 hour You must have: Calculator,
More informationCHAPTER 2. Structural Issues of Semiconductors
CHAPTER 2 Structural Issues of Semiconductors OUTLINE 1.0 Energy & Packing 2.0 Materials & Packing 3.0 Crystal Structures 4.0 Theoretical Density, r 5.0.Polymorphism and Allotropy 6.0 Close - Packed Crystal
More informationSolid Solutioning in CoCrFeNiMx (M= 4d transition metals) High-Entropy Alloys
Solid Solutioning in CoCrFeNiMx (M= 4d transition metals) High-Entropy Alloys Sheng Guo Department of Industrial and Materials Science Chalmers University of Technology, Gothenburg, Sweden 21 September
More informationEnergy and Packing. Materials and Packing
Energy and Packing Non dense, random packing Energy typical neighbor bond length typical neighbor bond energy r Dense, regular packing Energy typical neighbor bond length typical neighbor bond energy r
More informationElectrochemical refining of silicon in molten salts
1 Electrochemical refining of silicon in molten salts Geir Martin Haarberg, Ole Edvard Kongstein, Annabelle Laurent, and Shulan Wang 2 Department of Materials Technology Norwegian University of Science
More informationPeriodic Table of the Elements
Period ydrogen.0 Name Symbol gas liquid solid Li Be Lithium Beryllium synthetic Sodium Magnesium.0. 9 0 Potassium lcium Scandium Titanium 9. 0. Group.0.9 8 9 0 Rubidium Strontium Yttrium Zirconium 8. 8.
More informationThe Helmholtz Institute Freiberg Resource Technology Made in Germany
The Helmholtz Institute Freiberg Resource Technology Made in Germany PDAC 2012 Jens Gutzmer, Andreas Klossek Toronto, 07.March 2012 Innovation and technology is an increasingly effective way to find new
More informationPHYSICAL SCIENCE ( ) Section C2 Winter Quiz #2 March 29, 2006
PHYSICAL SCIENCE 98-01-06 (98-00-03) Section C Winter 006 Quiz # March 9, 006 Name ID Number MULTIPLE CHOICE: [ MARKS EACH] (Circle the letter of the one alternative that best completes the statement or
More informationUNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level CANDIDATE NAME CENTRE NUMBER CANDIDATE NUMBER * 0501 706038* SCIENCE 5124/03 Paper 3 Chemistry October/November
More informationChapter 5-The Periodic Table
Chapter 5-The Periodic Table Organizing the elements --> Placement of elements in a table links the atomic structure of the elements and their properties Search for order --> In 1750 there were only 17
More informationAppendix 1 PROPERTY TABLES AND CHARTS (SI UNITS)
23-R4232-APP1 6/8/07 5:09 PM Page 987 Appendix 1 PROPERTY TABLES AND CHARTS (SI UNITS) Table A 1 Molar mass, gas constant, and critical-point properties 988 Table A 2 Ideal-gas specific heats of various
More informationMETALS AND THEIR COMPOUNDS
METALS AND THEIR COMPOUNDS Metals are elements whose atoms ionize by electron loss, while non-metals are elements whose atoms ionize by electron gain. Metals are in groups 1, 2 and 3 of the periodic table.
More informationSPECTRAL INTERFERENCE IN X-RAY FLUORESCENCE ANALYSIS OF COMMON MATERIALS
Copyright JCPDS - International Centre for Diffraction Data 2003, Advances in X-ray Analysis, Volume 46. 38 ISSN 097-0002 SPECTRAL INTERFERENCE IN X-RAY FLUORESCENCE ANALYSIS OF COMMON MATERIALS Frank
More informationAAS - Atomic Absorption Mono Element ppm Standard Solutions (Spectro ECON)
CL01.0105 CL01.0106 CL01.0107 CL01.0126 CL01.0127 CL01.0135 CL01.0136 CL01.0137 CL01.0138 CL01.0205 CL01.0206 CL01.0207 CL01.0216 Aluminium standard solution (Spectro ECON) 8.948 g AlCl3.6H2O / l H2O Solution
More informationThin film PV Technologies Thin film Silicon PV Technology
Thin film PV Technologies Thin film Silicon PV Technology Week 5.2 Arno Smets Thin film Silicon solar cell Semiconductor Materials IV semiconductors: Si, Ge Rn Xe Kr Ar Ne He At I Br Cl F Po Te Se S O
More informationWG 5: Radionuclide Transfer to wildlife
EMRAS II WG 5: Radionuclide Transfer to wildlife EMRAS II Jan 2011 EMRAS II Jan 2011 Objectives This document is primarily intended to provide IAEA Member States with generic transfer parameter values
More informationDonald Neamen 물리전자 / 김삼동 1-1
An Introduction to Semiconductor Devices Donald Neamen Images and illustrations from supplements of An Introduction to Semiconductor Devices, 4 th Ed., Mc Graw Hill were used for this lecture materials.
More informationApplication of the Concepts of Exclusion, Exemption and Clearance
DS161: 2004-06-21 IAEA SAFETY STANDARDS SERIES Application of the Concepts of Exclusion, Exemption and Clearance DRAFT SAFETY GUIDE DS161 INTERNATIONAL ATOMIC ENERGY AGENCY VIENNA June 2004 IAEA SAFETY
More informationCore Analysis with the Tracer
BRUKER ELEMENTAL Core Analysis with the Tracer Prepared by: Lee Drake, Senior Application Scientist January 23, 2014 BRUKER ELEMENTAL Key Points OBJECTIVE 3 EXPLORATION 3 DECISION MAKING 3 RECLAMATION
More information1. Use the Ellingham Diagram (reproduced here as Figure 0.1) to answer the following.
315 Problems 1. Use the Ellingham Diagram (reproduced here as Figure 0.1) to answer the following. (a) Find the temperature and partial pressure of O 2 where Ni(s), Ni(l), and NiO(s) are in equilibrium.
More informationGCE A level 1095/01 CHEMISTRY CH5
Surname Centre Number Candidate Number Other Names 2 GCE A level 1095/01 CHEMISTRY CH5 P.M. TUESDAY, 17 June 2014 1 hour 45 minutes For Examiner s use only ADDITIONAL MATERIALS In addition to this examination
More informationImpurities in Solids. Crystal Electro- Element R% Structure negativity Valence
4-4 Impurities in Solids 4.4 In this problem we are asked to cite which of the elements listed form with Ni the three possible solid solution types. For complete substitutional solubility the following
More informationThe image part with relationship ID rid4 was not found in the file. Welcome
The image part with relationship ID rid4 was not found in the file. Welcome Trace Metals Analysis: Impurity Determinations By Thomas Kozikowski Chemist, R&D at Inorganic Ventures Key Considerations What
More informationIntroduction to Materials Science and Engineering
01 Askeland Chap 9/27/05 1:48 PM Page 1 1 Introduction to Materials Science and Engineering 1 4 Steel is often coated with a thin layer of zinc if it is to be used outside. What characteristics do you
More informationTypes of Matter. Chapter 1 Section 3. Pure Substances vs. Mixtures
Types of Matter E = element C = compound M = mixture Pure Substances vs. Mixtures Types of Pure S. Elements Compounds Compounds vs. Mixtures About 2/3 of the space for notes Each term needs 2 to 3 lines
More informationChapter Outline How do atoms arrange themselves to form solids?
Chapter Outline How do atoms arrange themselves to form solids? Fundamental concepts and language Unit cells Crystal structures Face-centered cubic Body-centered cubic Hexagonal close-packed Close packed
More informationEXPERIMENT 3: Identification of a Substance by Physical Properties
EXPERIMENT 3: Identification of a Substance by Physical Properties Materials: Hot plate Digital balance Capillary tubes (3) Thermometer Beakers (250 ml) Watch glass Graduated Cylinder (10 ml) Mel-Temp
More informationChapter 1.6. Polished Single-Crystal Silicon, Prime Wafers (all numbers nominal) Wafer Specification Table. Diameter 100 mm 4-inch 150 mm 6-inch
Chapter 1.6 I - Substrate Specifications Polished Single-Crystal Silicon, Prime Wafers (all numbers nominal) Wafer Specification Table Diameter 100 mm 4-inch 150 mm 6-inch Thickness 525 µm 20.5 mils 675
More informationmetals inorganics organometallics catalysts ligands custom synthesis cgmp facilities nanomaterials
Materials for Photovoltaics metals inorganics organometallics catalysts ligands custom synthesis cgmp facilities nanomaterials STREM Catalog # Description CAS # Aluminum 93-1372 Aluminum foil (99.9995%),
More information