Kinetic Theory of Gases
Physics ⇒ Heat and Thermodynamics
Kinetic Theory of Gases starts at 10 and continues till grade 12.
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Describe the effect of increasing temperature on the distribution of molecular speeds in a gas.
Explain why lighter gas molecules move faster than heavier ones at the same temperature.
Explain why real gases deviate from ideal gas behavior at high pressures and low temperatures.
If the temperature of an ideal gas is doubled at constant volume, what happens to the pressure?
State Avogadro's hypothesis as it applies to gases.
A container holds 2 moles of an ideal gas at 27°C. Calculate the total kinetic energy of the gas. (R = 8.314 J mol-1 K-1)
A gas at 27°C is heated to 327°C at constant volume. By what factor does the pressure increase?
A gas is compressed to half its original volume at constant temperature. What happens to its pressure?
A sample of gas at 300 K has a root mean square speed of 500 m/s. What will be the root mean square speed at 1200 K?
Which of the following best describes the Maxwell-Boltzmann distribution?
(1) All molecules have the same energy.
(2) Molecules have a range of energies, with most having intermediate values.
(3) The distribution is independent of temperature.
(4) Only the fastest molecules contribute to pressure.
Which of the following equations represents the ideal gas law?
(1) PV = nRT
(2) P = kT
(3) V = nRT
(4) PV = RT
Which of the following gases will have the highest root mean square speed at the same temperature?
(1) Oxygen
(2) Nitrogen
(3) Hydrogen
(4) Carbon dioxide
Which of the following is a consequence of the kinetic theory of gases?
(1) Gases have definite shape and volume.
(2) Gases can be compressed easily.
(3) Gases do not exert pressure.
(4) Gases cannot diffuse.
The kinetic theory of gases explains the macroscopic properties of gases in terms of their ________ behavior.
The mean free path of a gas molecule is the average distance traveled between ________.
The mean kinetic energy of a gas molecule at temperature T is given by ________.
The pressure exerted by a gas is due to ________.
Is the following statement true or false? At absolute zero, the kinetic energy of gas molecules becomes zero.
Is the following statement true or false? The pressure of a gas is independent of the mass of its molecules at a given temperature and volume.
State whether the following statement is true or false: The average kinetic energy of gas molecules is directly proportional to the absolute temperature of the gas.
