Exam 17: Temperature and the Kinetic Theory of Gases

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One mole of hydrogen gas (molar mass = 2.0 g/mol) has an rms velocity of 2.0 ×\times 103 m/s. To what temperature on the Celsius scale does this correspond?

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The temperature of the air on a cold day when the temperature is 23ºF is

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The air in a balloon occupies a volume of 0.10 m3 when at a temperature of 27ºC and a pressure of 1.2 atm. What is the balloon's volume at 7ºC and 1.0 atm? (The amount of gas remains constant.)

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You can double both the pressure and the volume of an ideal gas if you change the temperature of the gas by

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Which of the following statements about absolute zero temperature is true?

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Which of the following statements about the ideal gas law, PV = nRT, is NOT true?

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The relationship between the pressure and the volume of a gas expressed by Boyle's law holds true

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If both the temperature and the volume of an ideal gas are doubled, the pressure is

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Inside a sphere of radius 12 cm are 8.0 ×\times 1023 gas molecules at a temperature of 50 \circ C. What pressure do the gas molecules exert on the inside of the sphere?

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The temperature at which the Celsius and Fahrenheit scales read the same is

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At what common Celsius temperature is the rms velocity of oxygen molecules (molar mass = 32 g/mol) double that of hydrogen molecules (molar mass = 2.0 g/mol)?

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A room measures 3 m ×\times 4 m ×\times 2 m and is at 20 \circ C and 1 atm. Assuming that it only has the two diatomic gases, N2 and O2, the amount of kinetic energy in the gases is

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The air around us has 78% nitrogen and 21% oxygen. If the pressure is 1 atm, the pressure due to oxygen is

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A gas has a density X at standard temperature and pressure. What is the new density when the absolute temperature is doubled and the pressure increased by a factor of 3?

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If the absolute temperature of a gas is doubled, what is the change in the rms speed of its molecules?

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Five molecules of a gas have the following speeds: 200 m/s, 300 m/s, 400 m/s, 500 m/s, and 600 m/s. The rms speed for these molecules is

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If the absolute temperature of a gas is doubled, what is the change in the average kinetic energy of its molecules?

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  The graph shows the natural logarithm of the temperature of various thermometers as a function of time. The thermometer that cools at the slowest rate is The graph shows the natural logarithm of the temperature of various thermometers as a function of time. The thermometer that cools at the slowest rate is

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At room temperature, which of the following diatomic molecules has the greater average kinetic energy: carbon monoxide (molar mass = 28 g/mol), nitrogen (molar mass = 28 g/mol), or oxygen (molar mass = 32 g/mol)?

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If a mass of oxygen gas occupies a volume of 8 L at standard temperature and pressure, what is the change in the volume if the temperature is reduced by one half and the pressure is doubled?

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