UNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 1 January 31, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW
|
|
- Ira Stevens
- 5 years ago
- Views:
Transcription
1 Version A UNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 1 January 31, pm (60 minutes) Version A DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW Answer all multiple choice questions on the bubble sheet provided. Use a soft pencil. The scanner does not read ink. Complete the identification portion of the bubble sheet according to the example shown. (The student s name in the example is Bab Cabba.) Hand in only the bubble sheet at the end of the test period (60 minutes). A DATA sheet is included, unstapled, inside the cover page of this test. This test has 6 pages (not including the DATA sheet). Count the pages before you begin. The basic Sharp EL510 calculator or the Sharp EL-510 RNB are the only ones approved for use in Chemistry 102. DO NOT BEGIN UNTIL TOLD TO DO SO BY THE INVIGILATOR
2 Chemistry 102, Mid-Term Test 1 Version A January 31, 2014 Page 2 of 6 This test consists entirely of multiple choice questions and is worth 50 marks. There are two marks per question. The answers for the 25 questions must be coded on the optical sense form (bubble sheet) using a SOFT PENCIL. The scanner does not read ink of any colour. Select the BEST response for each question below. 1. To increase the volume of a fixed amount of gas from 100 ml to 200 ml A. increase the temperature from 25.0 to 50.0 C at constant pressure B. increase the pressure from 1.00 to 2.00 atm at constant temperature C. reduce the temperature from 400 K to 200 K at constant pressure D. reduce the pressure from 608 mm Hg to 0.40 atm at constant temperature E. decrease the temperature from 600 K to 400 K. 2. Of the following gases, which ONE has the greatest density at standard temperature and pressure (STP)? A. CH 4 B. NH 3 C. Ne D. H 2 E. He 3. The addition of 2.0 g He(g) at 25 C to a fixed-volume vessel of 10.0 L that already contains O 2 (g) at a temperature of 25 C and a pressure of atm will: A. have no effect on the final gas pressure B. cause the final pressure to exceed 2 atm C. produce a 20% increase in gas pressure D. bring the final pressure to just slightly less than 1.0 atm E. cause the final pressure to exceed 4 atm 4. If 1.0 L of CO 2 (g) is compared to 1.0 L of H 2 (g), when both samples at a temperature of 25 C and one atmosphere pressure, then: A. The CO 2 molecules are, on average, moving more slowly than the H 2 molecules. B. There are more H 2 molecules than there are CO 2 molecules. C. The average kinetic energy of the CO 2 molecules is greater than that of the H 2 molecules. D. The CO 2 and H 2 molecules have the same average speed. E. The mass of the one litre sample of CO 2 equals the mass of the one litre sample of H Which ONE of the following assumptions is NOT used to explain the ideal gas law? A. Gas particles themselves occupy a negligible percentage of the total gas volume. B. Attractive and repulsive forces are negligible in gases. C. Collisions between gas molecules are perfectly elastic. D. At constant temperature, all gas molecules have the same kinetic energy. E. Gas molecules are in continuous random motion.
3 Chemistry 102, Mid-Term Test 1 Version A January 31, 2014 Page 3 of 6 6. Which of the following molecules are greenhouse gases? (i) CO 2 (ii) H 2 O (iii) NO 2 (iv) Cl 2 (v) H 2 (vi) N 2 A. i & iii B. i & iv C. i, ii & iii D. i & v E. i & vi 7. Which of the following statements about the atmosphere and atmospheric chemistry is INCORRECT? A. Acidity caused by acid rain can be neutralized by adding limestone, CaCO 3 (s), to lakes. B. The greenhouse effect contributes to maintaining a livable uniform temperature on the Earth s surface. C. Photodissociation involves the removal of an electron from an atom or molecule as a result of the absorption of a photon. NO. Photodissociation is breaking bonds. D. A key reaction in the production of smog is the photodissociation of NO 2 (g) E. Lakes acidified by acid rain tend to have elevated concentrations of dissolved Al 3+ ions, which are harmful to fish populations. 8. Which of the following statements are CORRECT? (i) SO 2 is the only gas that contributes to the problem of acid rain. FALSE. NO x also important (ii) N 2, O 2, and H 2 O are not greenhouse gases. FALSE. Two are not, but one is. (iii) One human-caused atmospheric imbalance is too little ozone in the stratosphere and too much in the troposphere. TRUE (iv) O 3 in the atmosphere protects the earth from infrared radiation. FALSE. Protects from uv. (v) The depletion of ozone over Antarctica is seasonal because it requires sunlight. TRUE A. i, iii, and v B. ii, iii, and iv C. iii and v D. ii and iii E. ii, iii, and v 9. Identify the ONE reaction listed below that best describes a reaction that contributes to the formation of ground-level photochemical smog. A. CaCO 3 (s) CaO(s) + CO 2 (g) B. 2 NO(g) + O 2 (g) 2 NO 2 (g) C. SO 3 (g) + H 2 O(l) H 2 SO 4 (aq) D. CO 2 (g) + H 2 O(l) H 2 CO 3 (aq) E. CaCO 3 (s) + 2 H + (aq) Ca 2+(aq) + CO 2 (g) + H 2 O(aq) 10. A sample of O 2 gas with a volume of L was collected at 21 o C. Calculate the volume in liters of the gas when it is cooled to 10 o C if the gas is ideal and the pressure remains constant. A B C D E
4 Chemistry 102, Mid-Term Test 1 Version A January 31, 2014 Page 4 of A container holds a mixture of nitrogen, argon and methane gases. The partial pressures are 500 torr for nitrogen, 300 torr for argon and 200 torr for methane. What is the mole fraction for methane? A B C D E Consider the following 5 gases. If an equal mass of each gas is placed into a separate balloon, which gas sample will have the greatest volume? Assume that the balloons are all at the same temperature and pressure. A. He B. H 2 C. N 2 D. Ne E. O Consider three samples of gas: N 2 at 350 K, H 2 at 350 K and O 2 at 273 K. Compare the average kinetic energies of the molecules in these three samples. Which statement is CORRECT? A. The lightest gas (H 2 ) has the highest average kinetic energy and the other average kinetic energies decrease as molar mass increases. B. The heaviest gas (O 2 ) has the highest average kinetic energy and the other average kinetic energies decrease with molar mass. C. O 2 (273 K) and N 2 (350 K) have the same average kinetic energy while H 2 (300 K) has a lower average kinetic energy. NO. It makes no difference what temperature the H 2 is. This statement is always false. D. N 2 (350 K) and H 2 (350 K) have the same average kinetic energy while O 2 (273 K) has a lower average kinetic energy E. Additional pressure information is needed to compare average kinetic energies. 14. Which one of the following statements about the earth s atmosphere is CORRECT? A. The mechanism for restoring the ozone layer over Antarctica involves the formation of polar stratospheric clouds. FALSE. The stratospheric clouds are part of the mechanism of destruction of the ozone layer, not restoring it. B. The first step in the formation of ozone in the stratosphere is a photoionization reaction. FALSE. It s a photodissociation. C. All wavelengths of solar radiation can initiate photoionization reactions. FALSE. Only UV radiation and radiation more energetic than UV. D. The temperature of the atmosphere steadily decreases with increasing altitude. FALSE. T vs altitude varies in slope, the basis for naming different atmospheric layers. E. The hole in the ozone layer over Antarctica changes in magnitude and area throughout the year. TRUE
5 Chemistry 102, Mid-Term Test 1 Version A January 31, 2014 Page 5 of Suppose that the mid-day concentration of SO 2 in the ground-level air in a city is ppm by volume. Calculate the number of moles of SO 2 in 1.0 L of this air at STP (i.e. at 0 C and 1 atm). A. 2.9 x B. 9.7 x 10-7 C. 3.6 x 10-3 D. 3.6 x 10-9 E. 9.7 x In North America, what is the main human-caused source of the sulfur dioxide (SO 2 ) that contributes to such pollution problems as acid rain? A. Burning gasoline in cars and trucks. B. Mining of sulfur. C. Volcanic gases and forest fires. D. Burning coal and heavy oil for electricity, heating, and industry. See Custom Text page 284. Paragraph 3 E. Decomposition of atmospheric sulfur trioxide (SO 3 ). 17. Which of the following statements is NOT CORRECT? A. Visible and ultraviolet radiation wavelengths reach the earth s surface and this energy is re-emitted by the earth as infra-red radiation (heat). TRUE B. Absorption of infra-red radiation increases vibrational energy in a molecule. TRUE C. NO 2 in the atmosphere is a significant contributor to the problem of acid rain. TRUE D. CO 2, CH 4, and water vapour are all greenhouse gases. TRUE E. Unburned hydrocarbons in the stratosphere are a significant contributor to the problem of photochemical smog. FALSE. Smog is a troposphere problem. 18. Which of the following reactions is/are NOT a significant process in the usual set of reactions that maintain the protective stratospheric ozone layer? (i) Cl(g) + O 3 (g) > ClO(g) + O 2 (g) (ii) O(g) + O 2 (g) > O 3 * (g) (iii) O 3 (g) + hv > O 2 (g) + O(g) A. (i) B. (ii) C. (iii) D. (i) and (ii) E. (ii) and (iii) 19. The kinetic energy (in kj) of a 1400 kg automobile travelling at 20 m s -1 is? A B. 14 C. 560 D E. 280 Two of the responses are the same. This was unintentional. But they re incorrect anyway. 20. The watt is a measure of power (rate of energy usage) equal to 1 J s -1. If the burning of exactly 1 mole of methane (natural gas, CH 4 ) gives off 890 kj and if this happens in 2.5 seconds, what power (in kilowatts, kw) is generated by this reaction? (This is an explosion.) A. 356 B. 890 C D E. 89
6 Chemistry 102, Mid-Term Test 1 Version A January 31, 2014 Page 6 of Calgary Alberta is a relatively high-altitude city. On a certain winter day the atmospheric pressure there was measured to be 678 torr. Suppose the partial pressure of ground-level ozone in the Calgary traffic rush-hour that day reached a level of 1.9 x 10-4 torr. What is the ground-level ozone concentration in ppm (by volume)? A B. 2.8 x C D. 190 E The density of an unknown gas at 100 C and 746 torr is g L 1. What is the molecular mass (molar mass (in g/mol)) of this unknown gas? A B. 8.3 C D E What is the main basis for the division of the earth s atmosphere into different regions or layers? A. It is convenient to deal in round numbers such as 10 km, 50 km, etc. from the earth s surface. B. Changes in the slope of the altitude vs temperature graph define the layer boundaries. C. Most of the air is in the Troposphere, clouds are mainly in the Stratosphere, and mesons are captured in the Mesosphere. D. Weather is in the Troposphere, ozone is in the Stratosphere, and different atomic gases define the other layers E. Going upward from the earth s surface the pressure drops in a significant step upon crossing the boundary between each consecutive pair of layers or regions. 24. Which of the following is NOT a practical partial solution to the problem of photochemical smog? A. Decreasing our use of conventional motor vehicles. YES. We could do this. B. Using catalytic converters on our motor vehicles. YES. We do this already. C. Making artificial rain to wash the polluting gases from the air in cities. NO. There s no practical way to do this. What is artificial rain anyway? D. Obtaining more of our electricity from renewable sources such as wind turbines. YES. We do some of this already. E. Using pure oxygen instead of air in some industrial furnace applications. YES. Some industries do this. Pure O 2 is easy enough to obtain. (Air is about 21% O 2.) 25. What is the kinetic energy (in Joules) of a silver (Ag) atom moving at a speed of 980 m s -1? (Note: One atomic mass unit (amu) = kg.) A B C D E END
DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW UNIVERSITY OF VICTORIA. CHEMISTRY 102 Midterm Test 1 February 1, pm (60 minutes)
SECTION: (circle one): A01 MR (Dr. Lipson) A02 (Dr. Briggs) A03 MWR (Dr. Brolo) NAME Student No. V0 (Please print clearly.) DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW Version A UNIVERSITY
More informationNAME Student ID No. UNIVERSITY OF VICTORIA. CHEMISTRY 102 Term Test I February 4, 2011
NAME Student ID No. Section (circle one): A01 (Dr. Lipson) A02 (Dr. Briggs) A03 (Dr. Brolo) UNIVERSITY OF VICTORIA Version A CHEMISTRY 102 Term Test I February 4, 2011 Version A This test has two parts:
More informationNAME Student No. UNIVERSITY OF VICTORIA. CHEMISTRY 102 Mid-Term Test I February 3, Part II Score Exam results Score
NAME Student No. Section (circle one): A01 (Lipson) A02 (Briggs) A03 (Cartwright) UNIVERSITY OF VICTORIA Version A CHEMISTRY 102 Mid-Term Test I February 3, 2012 Version A This test has two parts: (A Data
More informationNAME Student No. UNIVERSITY OF VICTORIA. CHEMISTRY 102 Mid-Term Test I February 3, Part II Score Exam results Score
NAME Student No. Section (circle one): A01 (Lipson) A02 (Briggs) A03 (Cartwright) UNIVERSITY OF VICTORIA Version B CHEMISTRY 102 Mid-Term Test I February 3, 2012 Version B This test has two parts: (A Data
More informationUNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 14, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW
Version A UNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 14, 2014 5-6 pm (60 minutes) Version A DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW Answer all multiple choice questions
More informationUNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 13, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD (ONECard) ON TOP OF YOUR DESK NOW
Version A UNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 13, 2015 5-6 pm (60 minutes) Version A DISPLAY YOUR STUDENT ID CARD (ONECard) ON TOP OF YOUR DESK NOW Answer all multiple choice questions
More informationUNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 13, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD (ONECard) ON TOP OF YOUR DESK NOW
Version B UNIVERSITY OF VICTORIA CHEMISTRY 102 Midterm Test 2 March 13, 2015 5-6 pm (60 minutes) Version B DISPLAY YOUR STUDENT ID CARD (ONECard) ON TOP OF YOUR DESK NOW Answer all multiple choice questions
More information(for tutoring, homework help, or help with online classes)
www.tutor-homework.com (for tutoring, homework help, or help with online classes) 1. chem10b 18.2-30 What is the final stage in municipal water treatment? A. aeration B. settling C. removal of added fluoride
More informationUNIVERSITY OF VICTORIA CHEMISTRY 101 Midterm Test 1 October 18, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW
Version B UNIVERSITY OF VICTORIA CHEMISTRY 101 Midterm Test 1 October 18, 2013 5-6 pm (60 minutes) Version B DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW Answer all multiple choice questions
More information8.8 - Gases. These are assumptions that can be made about 99% of the gases we come in contact with which are called ideal gases.
Gases The substance that we come in contact with every second of every day is in fact the substance we never think about. This substance is a mixture of gases known as the atmosphere. Gases have the weakest
More informationSlide 1 / A gas at a pressure of 10.0 Pa exerts a force of N on an area of 5.5 m 2 A 55 B 0.55 C 5.5 D 1.8 E 18
Slide 1 / 76 1 A gas at a pressure of 10.0 Pa exerts a force of N on an area of 5.5 m 2 A 55 B 0.55 C 5.5 D 1.8 E 18 Slide 2 / 76 2 A pressure of 1.00 atm is the same as a pressure of of mm Hg. A 193 B
More informationChemistry Lab Fairfax High School Invitational January 7, Team Number: High School: Team Members Names:
Chemistry Lab Fairfax High School Invitational January 7, 2017 Team Number: High School: Team Members Names: Reference Values: Gas Constant, R = 8.314 J mol -1 K -1 Gas Constant, R = 0.08206 L atm mol
More informationLecture 25: Atmosphere & environment
Lecture 25: Atmosphere & environment Read: BLB 18.1 4 HW: BLB 18:9,11,15,29,69 Sup 18:1 3 Know: ozone chemistry chemistry of the lower atmosphere sulfer compounds & acid rain nitrogen oxides & smog check
More informationCommon Elements: Nitrogen, 78%
Chapter 23 Notes Name: Period: 23.1 CHARACTERISTICS OF THE ATMOSPHERE The atmosphere is a layer of that surrounds the earth and influences all living things. Meteorology is the study of the. WHAT S IN
More informationChem 102 Exam #1--Winter, 2006
Chem 102 Exam #1--Winter, 2006 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. 1. Which of the following is a characteristic of a central atom
More informationWarning!! Chapter 5 Gases. Chapter Objectives. Chapter Objectives. Chapter Objectives. Air Pollution
Warning!! Larry Brown Tom Holme www.cengage.com/chemistry/brown Chapter 5 Gases These slides contains visual aids for learning BUT they are NOT the actual lecture notes! Failure to attend to lectures most
More informationReference pg and in Textbook
Reference pg. 154-164 and 188-202 in Textbook Combustion Reactions During combustion (burning) of fossil fuels, collisions between the molecules of the fuel and oxygen result in the formation of new molecules.
More informationATOC 3500/CHEM 3151 Air Pollution Chemistry Lecture 1
ATOC 3500/CHEM 3151 Air Pollution Chemistry Lecture 1 Note Page numbers refer to Daniel Jacob s online textbook: http://acmg.seas.harvard.edu/publications/ jacobbook/index.html Atmos = vapor + sphaira
More informationUnit 08 Review: The KMT and Gas Laws
Unit 08 Review: The KMT and Gas Laws It may be helpful to view the animation showing heating curve and changes of state: http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/031_changesstate.mov
More informationThe following gas laws describes an ideal gas, where
Alief ISD Chemistry STAAR Review Reporting Category 4: Gases and Thermochemistry C.9.A Describe and calculate the relations between volume, pressure, number of moles, and temperature for an ideal gas as
More informationCHE 105 EXAMINATION II October 13, 2011
CHE 105 EXAMINATION II October 13, 2011 University of Kentucky Department of Chemistry READ THESE DIRECTIONS CAREFULLY BEFORE STARTING THE EXAMINATION! It is extremely important that you fill in the answer
More informationUnique nature of Earth s atmosphere: O 2 present photosynthesis
Atmospheric composition Major components N 2 78% O 2 21% Ar ~1% Medium components CO 2 370 ppmv (rising about 1.5 ppmv/year) CH 4 1700 ppbv H 2 O variable Trace components H 2 600 ppbv N 2 O 310 ppbv CO
More informationTEST 1 APCH 211 (2012) Review, Solutions & Feedback
TEST 1 APCH 11 (01) Review, Solutions & Feedback Question 1 What is the concentration of nitrogen in the atmosphere (0 C and 1 atm) in g/l? N in the atmosphere ~ 78% Gas concentration unit s means that
More informationGuided Reading Chapter 16: The Atmosphere
Name Number Date Guided Reading Chapter 16: The Atmosphere Section 16-1: The Air Around You 1. The condition of Earth s atmosphere at a particular time and place is called 2. How does Earth s atmosphere
More informationEXTRA HOMEWORK 5A 1. The pressure of the first two gases below is determined with a manometer that is filled with mercury (density = 13.6 g/ml). The pressure of the last two gases below is determined with
More informationMixture of gases. Mix 5 moles of CO 2 V = 40L 2 moles of N 2 T = 0 C 1 mole of Cl 2 What is P? Mary J. Bojan Chem 110
Mixture of gases Mix 5 moles of CO 2 V = 40L 2 moles of N 2 T = 0 C 1 mole of Cl 2 What is P? 1 Partial Pressure Partial pressure: the pressure a gas would have if it was the only gas in the container.
More informationCHEM 101 Fall 09 Final Exam (a)
CHEM 101 Fall 09 Final Exam (a) On the answer sheet (scantron) write your name, student ID number, and recitation section number. Choose the best (most correct) answer for each question and enter it on
More informationGases! n Properties! n Kinetic Molecular Theory! n Variables! n The Atmosphere! n Gas Laws!
Gases n Properties n Kinetic Molecular Theory n Variables n The Atmosphere n Gas Laws Properties of a Gas n No definite shape or volume n Gases expand to fill any container n Thus they take the shape of
More informationName AP Chemistry / / Chapter 5 Collected AP Exam Free Response Questions Answers
Name AP Chemistry / / Chapter 5 Collected AP Exam Free Response Questions 1980 2010 - Answers 1982 - #5 (a) From the standpoint of the kinetic-molecular theory, discuss briefly the properties of gas molecules
More informationDirected Reading. Section: Solar Energy and the Atmosphere RADIATION. identical point on the next wave. waves
Skills Worksheet Directed Reading Section: Solar Energy and the Atmosphere 1. How is Earth s atmosphere heated? 2. Name the two primary sources of heat in the atmosphere. RADIATION In the space provided,
More informationName May 2, 2012 Physical Behavior of Matter and Bonding Review
Name May 2, 2012 Physical Behavior of Matter and Bonding Review Base your answers to questions 1 through 3 on the information below. Starting as a gas at 206 C, a sample of a substance is allowed to cool
More informationSection 2: The Atmosphere
Section 2: The Atmosphere Preview Classroom Catalyst Objectives The Atmosphere Composition of the Atmosphere Air Pressure Layers of the Atmosphere The Troposphere Section 2: The Atmosphere Preview, continued
More informationF325: Equilibria, Energetics and Elements How Far?
F325: Equilibria, Energetics and Elements 5.1.2 How Far? 100 marks 1. Syngas is a mixture of carbon monoxide and hydrogen gases, used as a feedstock for the manufacture of methanol. A dynamic equilibrium
More informationCHAPTER 13 Gases The Gas Laws
CHAPTER 13 Gases 13.1 The Gas Laws The gas laws apply to ideal gases, which are described by the kinetic theory in the following five statements. Gas particles do not attract or repel each other. Gas particles
More informationPrentice Hall EARTH SCIENCE. Tarbuck Lutgens
Prentice Hall EARTH SCIENCE Tarbuck Lutgens Chapter 17 The Atmosphere: Structure and Temperature 17.1 Atmosphere Characteristics Composition of the Atmosphere Weather is constantly changing, and it refers
More informationCherry Hill Tuition A Level Chemistry OCR (A) Paper 9 THIS IS A NEW SPECIFICATION
THIS IS A NEW SPECIFICATION ADVANCED SUBSIDIARY GCE CHEMISTRY A Chains, Energy and Resources F322 * OCE / 1 9 2 3 4* Candidates answer on the Question Paper OCR Supplied Materials: Data Sheet for Chemistry
More informationEarth s Atmosphere. Energy Transfer in the Atmosphere. 3. All the energy from the Sun reaches Earth s surface.
CHAPTER 11 LESSON 2 Earth s Atmosphere Energy Transfer in the Atmosphere Key Concepts How does energy transfer from the Sun to Earth and to the atmosphere? How are air circulation patterns within the atmosphere
More informationGases: Their Properties & Behavior. Chapter 09 Slide 1
9 Gases: Their Properties & Behavior Chapter 09 Slide 1 Gas Pressure 01 Chapter 09 Slide 2 Gas Pressure 02 Units of pressure: atmosphere (atm) Pa (N/m 2, 101,325 Pa = 1 atm) Torr (760 Torr = 1 atm) bar
More informationName May 2, 2012 Physical Behavior of Matter and Bonding Review
Name May 2, 2012 Physical Behavior of Matter and Bonding Review Base your answers to questions 1 through 3 on the information below. Starting as a gas at 206 C, a sample of a substance is allowed to cool
More informationChapter 5 Gases. A Gas- Uniformly fills any container Mixes completely with any other gas Can easily be compressed Exerts pressure on its surroundings
Chapter 5 Gases A Gas- Uniformly fills any container Mixes completely with any other gas Can easily be compressed Exerts pressure on its surroundings The properties of a gas depends upon four variables-
More information(g) 2NH 3. (g) ΔH = 92 kj mol 1
1 The uses of catalysts have great economic and environmental importance For example, catalysts are used in ammonia production and in catalytic converters (a) Nitrogen and hydrogen react together in the
More informationLecture 2 PROPERTIES OF GASES
Lecture 2 PROPERTIES OF GASES Reference: Principles of General Chemistry, Silberberg Chapter 6 SOME FUNDAMENTAL DEFINITIONS: SYSTEM: the part of the universe being the subject of study 1 SOME FUNDAMENTAL
More informationChemistry 142 (Practice) MIDTERM EXAM II November. Fill in your name, section, and student number on Side 1 of the Answer Sheet.
Chemistry 4 (Practice) MIDTERM EXAM II 009 November (a) Before starting, please check to see that your exam has 5 pages, which includes the periodic table. (b) (c) Fill in your name, section, and student
More informationGeneral Comments about the Atmospheres of Terrestrial Planets
General Comments about the Atmospheres of Terrestrial Planets Mercury Very little atmosphere Contents: vaporized micrometeorites, solar wind Sky is black Venus Very thick (10% density of water), dense
More informationIn the space provided, write the letter of the description that best matches the term or phrase. as waves. thermosphere
Skills Worksheet Concept Review In the space provided, write the letter of the description that best matches the term or phrase. 1. layers of the atmosphere 2. radiation 3. conduction 4. convection 5.
More informationTananyag fejlesztés idegen nyelven
Tananyag fejlesztés idegen nyelven Prevention of the atmosphere KÖRNYEZETGAZDÁLKODÁSI AGRÁRMÉRNÖKI MSC (MSc IN AGRO-ENVIRONMENTAL STUDIES) Fundamentals to atmospheric chemical reactions. The stratospheric
More informationOutline. Planetary Atmospheres. General Comments about the Atmospheres of Terrestrial Planets. General Comments, continued
Outline Planetary Atmospheres Chapter 10 General comments about terrestrial planet atmospheres Atmospheric structure & the generic atmosphere Greenhouse effect Magnetosphere & the aurora Weather & climate
More informationChapter 5 The Gaseous State
Chapter 5 The Gaseous State Contents and Concepts Gas Laws We will investigate the quantitative relationships that describe the behavior of gases. 1. Gas Pressure and Its Measurement 2. Empirical Gas Laws
More informationAT 350 EXAM #1 February 21, 2008
This exam covers Ahrens Chapters 1 and 2, plus related lecture notes Write the letter of the choice that best completes the statement or answers the question. b_ 1. The Earth s atmosphere is currently
More informationChem. 1A Midterm 2 Version A
Chem. 1A Midterm 2 Version A Name Student Number All work must be shown on the exam for partial credit. Points will be taken off for incorrect or no units and for the incorrect number of significant figures.
More informationSome Fundamental Definitions:
Lecture 2. The GAS LAWS Some Fundamental Definitions: SYSTEM: the part of the universe being the subject of study 1 Some Fundamental Definitions: State of the System: condition of a system at any given
More informationAP CHEMISTRY 2009 SCORING GUIDELINES
2009 SCORING GUIDELINES Question 2 (10 points) A student was assigned the task of determining the molar mass of an unknown gas. The student measured the mass of a sealed 843 ml rigid flask that contained
More information8. The table below describes two different reactions in which Reaction 1 is faster. What accounts for this observation? Reaction 1 Reaction 2.
Public Review - Rates and Equilibrium June 2005 1. What does X represent in the diagram below? (A) activation energy for the forward reaction (B) activation energy for the reverse reaction (C) heat of
More information1 (a) Describe a chemical test which shows the presence of water. Describe how water is treated before it is supplied to homes and industry.
1 (a) Describe a chemical test which shows the presence of water. test... colour change if water is present...... [3] (b) How could you show that a sample of water is pure?...[1] (c) Describe how water
More information5. What pressure (in atm) would be exerted by 76 g of fluorine gas in a 1.50 liter vessel at -37 o C? a) 26 atm b) 4.1 atm c) 19,600 atm d) 84 atm
Test bank chapter (5) Choose the most correct answer 1. A sample of oxygen occupies 47.2 liters under a pressure of 1240 torr at 25 o C. What volume would it occupy at 25 o C if the pressure were decreased
More informationThe Atmosphere. Chapter Test A. Multiple Choice. Write the letter of the correct answer on the line at the left.
The Atmosphere Chapter Test A Multiple Choice Write the letter of the correct answer on the line at the left. 1. Which of the following describes an example of the atmosphere acting as a system? a. its
More informationRegions of the Atmosphere
Regions of the Atmosphere Thermosphere Mesosphere Stratosphere Troposphere Earth Troposphere: 0 15 km; layer of the atmosphere in which we live Stratosphere: 15 50 km; contains ozone layer Mesosphere:
More informationPart I Short Answer Choose a letter to fill in the blanks. Use choices as many times as you wish. Only one choice is needed per blank. All are 3 points each. 1. First set. How can you tell these apart?
More informationCHEMISTRY. Section II (Total time 95 minutes) Part A Time 55 minutes YOU MAY USE YOUR CALCULATOR FOR PART A.
CHEMISTRY Section II (Total time 95 minutes) Part A Time 55 minutes YOU MAY USE YOUR CALCULATOR FOR PART A. CLEARLY SHOW THE METHOD USED AND THE STEPS INVOLVED IN ARRIVING AT YOUR ANSWERS. It is to your
More informationHOMEWORK 11-1 (pp )
CHAPTER 11 HOMEWORK 11-1 (pp. 333 335) VOCABULARY Define. 1. Gay-Lussac s law of combining volumes of gases 2. Avogadro s law Answer each question. 3. Write and explain the equation that expresses the
More information(a) graph Y versus X (b) graph Y versus 1/X
HOMEWORK 5A Barometer; Boyle s Law 1. The pressure of the first two gases below is determined with a manometer that is filled with mercury (density = 13.6 g/ml). The pressure of the last two gases below
More informationGeneral Chemistry I Final Exam 100 pts Fall 2010
General Chemistry I Final Exam 100 pts Fall 2010 Name This is a closed-book exam: the only reference materials you may use are a periodic table of the elements, a table of enthalpies of formation, and
More informationThis should serve a s a study guide as you go on to do the problems in Sapling and take the quizzes and exams.
CHM 111 Chapter 9 Worksheet and Study Guide Purpose: This is a guide for your as you work through the chapter. The major topics are provided so that you can write notes on each topic and work the corresponding
More informationChapter 4 Lesson 1: Describing Earth s Atmosphere
Chapter 4 Lesson 1: Describing Earth s Atmosphere Vocabulary Importance of Earth s Atmosphere The atmosphere is a thin layer of gases surrounding Earth. o Contains the oxygen and water needed for life.
More information1 Characteristics of the Atmosphere
CHAPTER 1 1 Characteristics of the Atmosphere SECTION The Atmosphere BEFORE YOU READ After you read this section, you should be able to answer these questions: What is Earth s atmosphere made of? How do
More informationAtmospheric Basics Atmospheric Composition
Atmospheric Basics Atmospheric Composition Air is a combination of many gases, each with its own unique characteristics. About 99 percent of the atmosphere is composed of nitrogen and oxygen, with the
More informationTest Bank for Chemistry 9th Edition by Zumdahl
Test Bank for Chemistry 9th Edition by Zumdahl 1. Gases generally have A) low density B) high density C) closely packed particles D) no increase in volume when temperature is increased E) no decrease in
More informationA Gas Uniformly fills any container. Easily compressed. Mixes completely with any other gas. Exerts pressure on its surroundings.
Chapter 5 Gases Chapter 5 A Gas Uniformly fills any container. Easily compressed. Mixes completely with any other gas. Exerts pressure on its surroundings. Copyright Cengage Learning. All rights reserved
More informationChem 1100 Pre-Test 3. Multiple Choice Identify the choice that best completes the statement or answers the question.
Chem 1100 Pre-Test 3 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Determine the oxidation number of the underlined element in K 2CO 3. a. 1 b. 2 c.
More informationSCH 3UI Unit 08 Outline: Kinetic Molecular Theory and the Gas Laws. The States of Matter Characteristics of. Solids, Liquids and Gases
SCH 3UI Unit 08 Outline: Kinetic Molecular Theory and the Gas Laws Lesson Topics Covered Handouts to Print 1 Note: The States of Matter solids, liquids and gases state and the polarity of molecules the
More informationCHEMISTRY 110 EXAM 3 April 2, 2012 FORM A 1. Which plot depicts the correct relationship between the volume and number of moles of an ideal gas at constant pressure and temperature? 2. The height of the
More informationPeriod 13 Solutions: Earth as an Energy System
Period 13 Solutions: Earth as an Energy System 13.1 The Earth-Sun System 1) Energy from the sun Observe the models of the Earth, Moon, and Sun in the room. a) Imagine that the distance between the Earth
More informationUNIVERSITY OF VICTORIA CHEMISTRY 101 Midterm Test 2 November 22, pm (60 minutes) DISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW
Version A UIVERSITY OF VICTORIA CEMISTRY 101 Midterm Test 2 ovember 22, 2013 56 pm (60 minutes) Version A DISPLAY YOUR STUDET ID CARD O TE TOP OF YOUR DESK OW Answer all multiple choice questions on the
More informationChapter Ten- Gases. STUDY GUIDE AP Chemistry
STUDY GUIDE AP Chemistry Chapter Ten- Gases Lecture Notes 10.1 Characteristics of Gases All substances have three phases: solid, liquid and gas. Substances that are liquids or solids under ordinary conditions
More informationOn my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST NUMBER IS THE 5-DIGIT NUMBER AT THE TOP OF EACH PAGE.
Instructor: Prof. Seiberling PHYSICS DEPARTMENT MET 1010 Name (print, last rst): 1st Midterm Exam Signature: On my honor, I have neither given nor received unauthorized aid on this examination. YOUR TEST
More information1. The frequency of an electromagnetic wave is proportional to its wavelength. a. directly *b. inversely
CHAPTER 3 SOLAR AND TERRESTRIAL RADIATION MULTIPLE CHOICE QUESTIONS 1. The frequency of an electromagnetic wave is proportional to its wavelength. a. directly *b. inversely 2. is the distance between successive
More informationChapter 5 Gases - 4 Gas Stoichiometry. Dr. Sapna Gupta
Chapter 5 Gases - 4 Gas Stoichiometry Dr. Sapna Gupta Stoichiometry in Gases Amounts of gaseous reactants and products can be calculated by utilizing The ideal gas law to relate moles to T, P and V. Moles
More informationName (Print) Section # or TA name. 1. You may use a calculator and one 8 by 11-1/2 handwritten crib sheet during this
1. You may use a calculator and one 8 by 11-1/2 handwritten crib sheet during this exam. Bring extra pencils, batteries, calculators, if necessary. 2. Please place all books, bags, hats, etc. under the
More information3. Which of the following elements is primarily responsible for the photochemical smog? Chemistry 12, Exam III, Form A, April 4, 2001
Chemistry 12, Exam III, Form A, April 4, 2001 In all questions involving gases, assume that the ideal-gas laws hold, unless the question specifically refers to the non-ideal behavior. 1. It takes 21.3
More informationThe Atmosphere Made up of mainly two gases: Nitrogen 78% Oxygen 21% Trace Gases 1%
The Atmosphere 18.1 The Atmosphere Made up of mainly two gases: Nitrogen 78% Oxygen 21% Trace Gases 1% Layers of the Atmosphere made made up of 5 layers: Troposphere Stratosphere Mesosphere Ionosphere
More informationDISPLAY YOUR STUDENT ID CARD ON THE TOP OF YOUR DESK NOW
UNIVERSITY OF VICTORIA Sections: A01, A02 FINAL EXAMINATION CRN 20394, 20395 CHEMISTRY 102 Fundamentals of Chemistry II Instructors: R. Lipson, S. Briggs Monday APRIL 7, 2014 Duration: 3 hours This exam
More informationChem 12 Exam 3. Basic Skills Section. 1. What is the chemical formula for aluminum nitrate?
Chem 1 Exam Basic Skills Section 1. What is the chemical formula for aluminum nitrate? a) Al(N ) b) AlN c) Al(N ) d) Al (N ) e) Al (N ). What are the spectator ions in the solution after the complete neutralization
More informationThe Atmosphere. Composition of the Atmosphere. Section 2
The Atmosphere Earth is surrounded by a mixture of gases known as the Nitrogen, oxygen, carbon dioxide, and other gases are all parts of this mixture. Earth s atmosphere changes constantly as these gases
More informationUnit 2 Meteorology Test **Please do not write on this test** 5. El Nino & La Nina 6. Photosynthesis 7. Coriolis Effect 8.
Matching (2 points each) 1. weather 2. climate 3. Greenhouse Effect 4. Convection Unit 2 Meteorology Test **Please do not write on this test** 5. El Nino & La Nina 6. Photosynthesis 7. Coriolis Effect
More informationChemistry. ANSWERS and MARKING SCHEME. Final Examination Preliminary Course General Instructions. Total Marks 64
ANSWERS and MARKING SCHEME Chemistry Final Examination Preliminary Course 2003 General Instructions Reading time 5 minutes Working time 120 minutes Write using black or blue pen Draw diagrams using pencil
More informationThe Atmosphere. Characteristics of the Atmosphere. Section 23.1 Objectives. Chapter 23. Chapter 23 Modern Earth Science. Section 1
The Atmosphere Chapter 23 Modern Earth Science Characteristics of the Atmosphere Chapter 23 Section 1 Section 23.1 Objectives Describe the composition of Earth s atmosphere. Explain how two types of barometers
More informationName: Regents Review Quiz #1 2016
Name: Regents Review Quiz #1 2016 1. Which two particle diagrams represent mixtures of diatomic elements? A) A and B B) A and C C) B and C D) B and D 2. At STP, which physical property of aluminum always
More informationCHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A
CHEMISTRY 110 EXAM 3 NOVEMER 12, 2012 FORM A 1. Consider a balloon filled with 5 L of an ideal gas at 20 C. If the temperature of the balloon is increased by 70 C and the external pressure acting on the
More informationATMOSPHERE: ORIGIN, COMPOSITION, AND STRUCTURE
CHAPTER 2 ATMOSPHERE: ORIGIN, COMPOSITION, AND STRUCTURE MULTIPLE CHOICE QUESTIONS 1. A relatively thin envelope of gases and particles that encircles the planet is known as a. the jet stream. *b. the
More informationLecture Outlines PowerPoint. Chapter 16 Earth Science 11e Tarbuck/Lutgens
Lecture Outlines PowerPoint Chapter 16 Earth Science 11e Tarbuck/Lutgens 2006 Pearson Prentice Hall This work is protected by United States copyright laws and is provided solely for the use of instructors
More informationCHEM 101 WINTER MAKEUP EXAM
CHEM 101 WINTER 08-09 MAKEUP EXAM On the answer sheet (Scantron) write you name, student ID number, and recitation section number. Choose the best (most correct) answer for each question and enter it on
More information1 Characteristics of the Atmosphere
CHAPTER 15 1 Characteristics of the Atmosphere SECTION The Atmosphere BEFORE YOU READ After you read this section, you should be able to answer these questions: What is Earth s atmosphere made of? How
More informationTopic # 15 OZONE DEPLETION IN THE STRATOSPHERE. see pp in Class Notes
Topic # 15 OZONE DEPLETION IN THE STRATOSPHERE see pp 81-85 in Class Notes [ The Ozone Treaty is ] the first truly global treaty that offers protection to every single human being. ~ Mostofa K. Tolba,
More informationChapter 5. Question. Question. Answer. Answer. Question (continued) The Gaseous State
Chapter 5 CRS s The Gaseous State Equal volumes of propane, C 3 H 8, and carbon monoxide at the same temperature and pressure have the same a. density. b.. c. number of atoms. 1) a only 2) b only 3) c
More informationName Class Date STUDY GUIDE FOR CONTENT MASTERY
Atmosphere SECTION 11.1 Atmospheric Basics In your textbook, read about the composition of the atmosphere. Circle the letter of the choice that best completes the statement. 1. Most of Earth s atmosphere
More informationApparatus for Studying the Relationship Between Pressure and Volume of a Gas
The Gas Laws Apparatus for Studying the Relationship Between Pressure and Volume of a Gas As P (h) increases V decreases Boyle s Law P x V = constant P 1 x V 1 = P 2 x V 2 Constant temperature Constant
More information1. CLIMATOLOGY: 2. ATMOSPHERIC CHEMISTRY:
What is meteorology? A. METEOROLOGY: an atmospheric science that studies the day to day changes in the atmosphere 1. ATMOSPHERE: the blanket of gas that surrounds the surface of Earth; the air 2. WEATHER:
More informationCh 9 Stoichiometry Practice Test
Ch 9 Stoichiometry Practice Test Multiple Choice Identify the choice that best completes the statement or answers the question. 1. A balanced chemical equation allows one to determine the a. mole ratio
More informationTHE UNIVERSITY OF THE SOUTH PACIFIC SEMESTER 1 EXAMINATION 2009 CHP02 PRELIMINARY CHEMISTRY A
THE UNIVERSITY OF THE SOUTH PACIFIC SEMESTER 1 EXAMINATION 2009 CHP02 PRELIMINARY CHEMISTRY A INSTRUCTIONS TO CANDIDATES Time Allowed: 3 hours plus 10 minutes reading time. Total Marks: 100 1. There are
More informationNATS 101 Section 13: Lecture 31. Air Pollution Part II
NATS 101 Section 13: Lecture 31 Air Pollution Part II Last time we talked mainly about two types of smog:. 1. London-type smog 2. L.A.-type smog or photochemical smog What are the necessary ingredients
More information