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Kinetic Molecular Theory Solutions Library

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117 solutions

Kinetic Molecular Theory

Q. Which of the following is/are assumptions of the kinetic-molecular theory?I. Gas molecules occupy a negligible volumeII. Gas molecules exert no sig...

Solved • Nov 26, 2019

Kinetic Molecular Theory

Q. Which statement is inconsistent with the kinetic theory of an ideal gas?Most of the volume occupied by a gas is empty space.The forces of repulsion...

Solved • Nov 21, 2019

Kinetic Molecular Theory

Q. Two identical flasks contain O2 and H2 gas, respectively, at the same temperature and pressure. In comparing the two flasks, which of the following...

Solved • Oct 18, 2019

Kinetic Molecular Theory

Q. Nitrogen will behave most like an ideal gasA. at high temperature and high pressure.B. at high temperature and low pressure.C. at low temperature a...

Solved • Oct 3, 2019

Kinetic Molecular Theory

Q. Which one of the following gases would deviate the least from ideal gas behavior?a. Neb. CH3Clc. Krd. CO2e. F2

Solved • Sep 1, 2019

Kinetic Molecular Theory

Q. Which statement describes a limitation of the kinetic-molecular theory for a gas?a) The theory assumes that particles do not experience intermolecu...

Solved • Aug 31, 2019

Kinetic Molecular Theory

Q. Water vapor is less dense than ice becauseA) molecules in the gas phase are in constant motion.B) molecules in the gas phase have more potential en...

Solved • Aug 29, 2019

Kinetic Molecular Theory

Q. In a gas, the distance between the particles is a. small relative to the size of the molecules b. fixed relative to the size of the molecules. c. v...

Solved • Aug 5, 2019

Kinetic Molecular Theory

Q. Which of the following is an INCORRECT statement relating to the behavior of gases?A) When a gas is in contact with a liquid, the gas will dissolve...

Solved • Aug 5, 2019

Kinetic Molecular Theory

Q. The internal energy of an ideal gas depends onA) its pressureB) its volumeC) its temperature, pressure, and volumeD) its temperatureE) its temperat...

Solved • Aug 5, 2019

Kinetic Molecular Theory

Q. Select the gas with the highest average kinetic energy per mole at 298 K.a. O2b. CO2c. H2Od. Are. all have the same average kinetic energy

Solved • Aug 2, 2019

Kinetic Molecular Theory

Q. The temperature of a gas is a measure of a. the kinetic energy of the gas particles. b. the volumes of the gas particles.c. the amount of space bet...

Solved • Aug 2, 2019

Kinetic Molecular Theory

Q. Select the statement which does NOT apply to an ideal gas.a. There are no attractive forces between the gas molecules.b. There are strong repulsive...

Solved • Aug 2, 2019

Kinetic Molecular Theory

Q.  The graph shown displays the effect of two different temperatures on the distribution of kinetic energies of molecules in a sample. One temperatur...

Solved • Dec 6, 2018

Kinetic Molecular Theory

Q. Which is most likely to be a gas at room temperature and ordinary atmospheric pressure, F2, Br2, K2O?

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Consider the sample of gas depicted below:What would the drawing look like if the volume and temperature remained constant while you removed enough...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which of the following statements is false?(a) Gases are far less dense than liquids.(b) Gases are far more compressible than liquids.(c) Because l...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. You have an evacuated container of fixed volume and known mass and introduce a known mass of a gas sample. Measuring the pressure at constant tempe...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Explain the negative deviation from ideal gas behavior of N2 below 300 atm in the figure on the left. 

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. On a single plot, qualitatively sketch the distribution of molecular speeds for(a) Kr(g) at -50˚C(b) Kr(g) at 0˚C(c) Ar(g) at 0˚C.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Place the following gases in order of decreasing average molecular speed at 315 K : CO, SF6, H2S, Cl2, HBr.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Will these changes increase, decrease, or have no effect on the mean free path of the molecules in a gas sample?increasing pressure.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Will these changes increase, decrease, or have no effect on the mean free path of the molecules in a gas sample?increasing temperature.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. List two experimental conditions under which gases deviate from ideal behavior.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Consider the following samples of gases:If the three samples are all at the same temperature, rank them with respect to density (d).

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Indicate which of the following statements regarding the kinetic-molecular theory of gases are correct. For those that are false, formulate a corre...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Indicate which of the following statements regarding the kinetic-molecular theory of gases are correct. For those that are false, formulate a corre...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Indicate which of the following statements regarding the kinetic-molecular theory of gases are correct. For those that are false, formulate a corre...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which of the noble gases other than radon would you expect to depart most readily from ideal behavior? Use the density data in Table 7.8 in the tex...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. The planet Jupiter has a surface temperature of 140 K and a mass 318 times that of Earth. Mercury has a surface temperature between 600 K and 700 K...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Calculate the pressure that CCl4 will exert at 80 °C if 1.00 mol occupies 33.3 L, assuming that (a) CCl4 obeys the ideal-gas equation; (b) CCl4 obe...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Under which conditions do you expect helium gas to deviate most from ideal behavior?

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Consider three gases all at 298 K: HCl, H2, and O2. List the gases in order of increasing average speed.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which of the following statements best explains why a closed balloon filled with helium gas rises in air?(a) Helium is a monatomic gas, whereas nea...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. A box contains equal amounts of helium, argon, and krypton (all gases) at 25 C. Describe the temperatures, masses, average velocities, and average ...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. As described by kinetic molecular theory, depict a gas sample containing equal molar amounts of argon and xenon. Use red dots to represent argon at...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Select a depiction of a gas sample, as described by kinetic molecular theory, containing equal molar amounts of helium, neon, and krypton. Each ato...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Deviations from the ideal gas law are often observed at high pressure and low temperature.Explain why in light of kinetic molecular theory.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which gas has the greatest kinetic energy at STP?a) Heb) Nec) Ard) None of the above (All have the same kinetic energy.)

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which of the following gases would you expect to deviate most from ideal behavior under conditions of low temperature: F2, Cl2, Br2?

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Explain why hot air balloons float above the ground, and why the second story of a two-story home is often warmer than the ground story.

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. Which sample of an ideal gas has the greatest pressure? Assume that the mass of each particle is proportional to its size and that all the gas samp...

Solved • Oct 31, 2018

Kinetic Molecular Theory

Q. A sample of gaseous neon atoms at atmospheric pressure and 0 oC contains 2.69 x 1022 atoms per liter. The atomic radius of neon is 69 pm. What does...

Solved • Oct 25, 2018

Kinetic Molecular Theory

Q. Consider separate 1.0-L gaseous samples of He, N2, and O2, all at STP and all acting ideally. Rank the gases in order of increasing average kinetic...

Solved • Oct 18, 2018

Kinetic Molecular Theory

Q. Consider three identical flasks filled with different gases.Flask A: CO at 760 torr and 0°CFlask B: N2 at 250 torr and 0°CFlask C: H2 at 100 torr a...

Solved • Oct 18, 2018

Kinetic Molecular Theory

Q. Consider three identical flasks filled with different gases.Flask A: CO at 760 torr and 0°CFlask B: N2 at 250 torr and 0°CFlask C: H2 at 100 torr a...

Solved • Oct 18, 2018

Kinetic Molecular Theory

Q. Consider two gases, A and B, each in a 1.0-L container with both gases at the same temperature and pressure. The mass of gas A in the container is ...

Solved • Oct 18, 2018

Kinetic Molecular Theory

Q. Consider two gases, A and B, each in a 1.0-L container with both gases at the same temperature and pressure. The mass of gas A in the container is ...

Solved • Oct 18, 2018

Kinetic Molecular Theory

Q. The distribution of molecular velocities in a sample of helium is shown in Figure 9.34. If the sample is cooled, will the distribution of velocitie...

Solved • Oct 17, 2018

Kinetic Molecular Theory

Q. Three equal volumes of gas mixtures, all at the same  T, are depicted below (with gas A red, gas B green, and gas C blue):(c) In which sample, if a...

Solved • Oct 16, 2018

Kinetic Molecular Theory

Q. Does SF6 (boiling point = 16°C at 1 atm) behave more ideally at 150°C or at 20°C? Explain.

Solved • Oct 15, 2018

Kinetic Molecular Theory

Q. Does N2 behave more ideally at 1 atm or at 500 atm? Explain.

Solved • Oct 15, 2018

Kinetic Molecular Theory

Q. Do interparticle attractions cause negative or positive deviations from the  PV/RT ratio of an ideal gas? Use Table 5.3 to rank Kr, CO2, and N2 in ...

Solved • Oct 15, 2018

Kinetic Molecular Theory

Q. The graph below shows the distribution of molecular speeds for argon and helium at the same temperature.(a) Does curve 1 or 2 better represent the ...

Solved • Oct 14, 2018

Kinetic Molecular Theory

Q. Which of the following gases has the lowest average speed at 25°C?a. H2Seb. PH3c. C2H6d. F2 

Solved • Jul 17, 2018

Kinetic Molecular Theory

Q. Identify the gas particle that travels the fastest. a. Neb. Cl2c. N2d. COe. H2  

Solved • Jul 10, 2018

Kinetic Molecular Theory

Q. Five samples of helium gas are described in the table below. Rank the samples in order of increasing average kinetic energy of the atoms in them. T...

Solved • Jun 26, 2018

Kinetic Molecular Theory

Q. Select the gas with the highest average kinetic energy per mole at 298K:a. O2b. CO2c. H2Od. H2e. All have the same average kinetic energy. 

Solved • Mar 30, 2018

Kinetic Molecular Theory

Q. Select the gas with the highest average kinetic energy per mole at 298 K.a. O2b. CO2c. H2Od. H2e. All have the same average kinetic energy.

Solved • Mar 28, 2018

Kinetic Molecular Theory

Q. Which of the following gases has the highest average speed at 400K?a. O2b. Cl2c. F2d. Br2e. N2

Solved • Mar 23, 2018

Kinetic Molecular Theory

Q. Which of the following is a postulate of the kinetic molecular theory of gases?a. The volume occupied by the individual particles that compose a ga...

Solved • Mar 15, 2018

Kinetic Molecular Theory

Q. Which gas molecules have the highest average kinetic energy at a given temperature?a) HBrb) NO2c) C2H6d) all have the same

Solved • Feb 26, 2018

Kinetic Molecular Theory

Q. Which of the following statements is/are true? Check all that apply.a) There are gas molecules that move slower than the average speed.b) There are...

Solved • Feb 22, 2018

Kinetic Molecular Theory

Q. Rank these real gases according to how closely they resemble an ideal gas.CO, N2, Ne, He, NH 3

Solved • Dec 22, 2017

Kinetic Molecular Theory

Q. Rank these real gases according to how closely they resemble an ideal gas. CO, N  2, Ne, He, NH3

Solved • Sep 22, 2017

Kinetic Molecular Theory

Q. Deviations from the ideal gas law are less at:a. high temperatures and high pressuresb. high temperatures and low pressuresc. low temperatures and ...

Solved • Jul 26, 2017

Kinetic Molecular Theory

Q. Samples containing equal numbers of moles of H 2, N2, O2, and He are placed into separate 1 L containers at the same temperature. Assuming each gas...

Solved • Jul 26, 2017

Kinetic Molecular Theory

Q. Under which conditions will a gas behave most ideally?1. high T and low P 2. low V and low P3. high P and low V4. high T and low V5. low n and high...

Solved • Jan 23, 2017

Kinetic Molecular Theory

Q. Consider two cylinders of gas. One cylinder contains N2 at 2 atm and 25◦C. The other cylinder contains F2 at 1 atm and 50◦C. Which statements is/ar...

Solved • Jan 17, 2017

Kinetic Molecular Theory

Q. At constant temperature, which of the following statement(s) is/are  TRUE according to the figure?             I)  Every molecule of gas A has a f...

Solved • Oct 26, 2016

Kinetic Molecular Theory

Q. Consider two separate 1 L gas samples, both at the same temperature and pressure. The two gases have different molar masses. Which is true?  1. Th...

Solved • Oct 18, 2016

Kinetic Molecular Theory

Q. According to the kinetic molecular theory, the pressure of a gas in a container decreases if the     A) number of collisions with the container wal...

Solved • Oct 4, 2016

Kinetic Molecular Theory

Q. Under what conditions is a gas most likely to deviate from ideal behavior?1. high temperatures2. when considering noble gases3. low density4. high ...

Solved • Sep 20, 2016

Kinetic Molecular Theory

Q. A gas is showing a considerable amount of attractive forces. What is the likely value for the compressibility factor?1. It will be slightly above o...

Solved • Sep 20, 2016

Kinetic Molecular Theory

Q. Which of the gases in the graph below has the largest molar mass?A) AB) BC) CD) DE) There is not enough information to determine.

Solved • Sep 19, 2016

Kinetic Molecular Theory

Q. Which of the following gases has the highest average speed at 400K?A) N2B) O2C) F2D) Cl2

Solved • Sep 9, 2016

Kinetic Molecular Theory

Q. Which of the following compounds will behave MOST like an ideal gas at low temperatures? a. H2 b. SO2 c. H2O d. CO2 e. I2

Solved • Sep 9, 2016

Kinetic Molecular Theory

Q. A gas mixture at T = 300.K contains an equal number of moles of chlorine, (Cl  2), ethane (C2H6), nitrous oxide (N2O), and sulfur hexafluoride (SF6...

Solved • Aug 24, 2016

Kinetic Molecular Theory

Q. Which of the following statements is/are true molecules according to the Kinetic Molecular Theory? i. increasing the amount of gas molecules incre...

Solved • Aug 24, 2016

Kinetic Molecular Theory

Q. According to Kinetic Molecular Theory (KMT), which statement is   TRUE? A. The density of a gas is usually comparable to the density of solids. B...

Solved • Aug 5, 2016

Kinetic Molecular Theory

Q. The graph shows the Maxwell distribution plots for a given gas at three different temperatures. Which plot corresponds to the highest temperature?1...

Solved • Aug 1, 2016

Kinetic Molecular Theory

Q. Liquids have a higher vapor pressure at a higher temperature because1. the molar enthalpy of vaporization is decreased as the temperature is raised...

Solved • Jul 29, 2016

Kinetic Molecular Theory

Q. Which postulate of the kinetic molecular theory breaks down under conditions of low temperature? Explain. 

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. Which postulate of the kinetic molecular theory breaks down under conditions of high pressure? Explain. 

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. The graph shows the distribution of molecular velocities for the same molecule at two different temperatures (T1 and T2). Which temperature is grea...

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. A flask at room temperature contains exactly equal amounts (in moles) of nitrogen and xenon.b. The molecules or atoms of which gas have the greater...

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure.  Do the argon atoms, beca...

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. Consider a 1.0-L sample of helium gas and a 1.0-L sample of argon gas, both at room temperature and atmospheric pressure. b. Do the atoms in the he...

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. Which gas sample representation has the greatest pressure? Assume that all the samples are at the same temperature. Explain 

Solved • Jun 3, 2016

Kinetic Molecular Theory

Q. Helium is preferable to hydrogen for filling balloons because helium isa) less dense.b) less expensive.c) easier to obtain.d) chemically inert.

Solved • May 10, 2016

Kinetic Molecular Theory

Q. A change in temperature from 10°C to 20°C is found to double the rate of a particular chemical reaction. How did the change in temperature affect t...

Solved • May 9, 2016

Kinetic Molecular Theory

Q. Which set of temperature and pressure conditions will cause a gas occupying a volume of 300 mL to deviate from ideal gas behavior? (A) 100°C and 4...

Solved • May 9, 2016

Kinetic Molecular Theory

Q. Which gas has molecules with the greatest average molecular speed at 25°C?A) ArB) N2C) CO2D) CH4 E) Kr

Solved • May 3, 2016

Kinetic Molecular Theory

Q. Which of the following statements about the phases of matter is TRUE? A) In both solids and liquids, the atoms or molecules pack closely to one an...

Solved • Apr 6, 2016

Kinetic Molecular Theory

Q. The pressure exerted by a gas is caused by a) collisions of the gas molecules with the container. b) the density of the gas molecules. c) the tempe...

Solved • Mar 16, 2016

Kinetic Molecular Theory

Q. The partial pressure of an ideal gas is equal to:   a) The pressure it would exert if it were at high pressure, same volume, and alone in a conta...

Solved • Mar 16, 2016

Kinetic Molecular Theory

Q. At very high pressures (~ 1000 atm), the measured pressure exerted by real gases is greater than that predicted by the ideal gas equation. This is ...

Solved • Mar 7, 2016

Kinetic Molecular Theory

Q. If equal masses of O 2(g) and HBr(g) are in separate containers of equal volume and temperature, which one of the following statements is true?   ...

Solved • Mar 7, 2016

Kinetic Molecular Theory

Q. Which is heavier, humid air or dry air?   Briefly explain your reasoning.

Solved • Feb 29, 2016

Kinetic Molecular Theory

Q. A bottle of highly volatile perfume with molecular formula C5H8O4N2 spills inside a large infinitely expandable bubble and the bubble expands to it...

Solved • Feb 19, 2016