Kinetic Theory of Gases

Q. If the RMS speed of a gas is 400 m/s, what is the speed of the molecules in terms of average speed?
  • A. 400 m/s
  • B. 300 m/s
  • C. 500 m/s
  • D. 600 m/s
Q. If the RMS speed of a gas is 500 m/s, what is the speed of the gas molecules at 1/2 of the RMS speed?
  • A. 250 m/s
  • B. 500 m/s
  • C. 1000 m/s
  • D. 125 m/s
Q. If the RMS speed of a gas is 500 m/s, what is the speed of the gas molecules in terms of average speed?
  • A. 500 m/s
  • B. 250 m/s
  • C. 400 m/s
  • D. 600 m/s
Q. If the RMS speed of a gas is 500 m/s, what is the speed of the molecules in the gas?
  • A. 500 m/s
  • B. 250 m/s
  • C. 1000 m/s
  • D. It varies
Q. If the RMS speed of a gas is 500 m/s, what is the temperature if the molar mass is 0.028 kg/mol?
  • A. 200 K
  • B. 300 K
  • C. 400 K
  • D. 500 K
Q. If the temperature of a gas is doubled at constant volume, what happens to the pressure?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the temperature of a gas is doubled, how does its RMS speed change?
  • A. Increases by a factor of sqrt(2)
  • B. Increases by a factor of 2
  • C. Increases by a factor of 4
  • D. Remains the same
Q. If the temperature of a gas is doubled, what happens to its RMS speed?
  • A. Increases by a factor of sqrt(2)
  • B. Increases by a factor of 2
  • C. Increases by a factor of sqrt(3)
  • D. Remains the same
Q. If the temperature of a gas is halved, what happens to its RMS speed?
  • A. Increases by sqrt(2)
  • B. Decreases by sqrt(2)
  • C. Remains the same
  • D. Decreases by 2
Q. If the temperature of a gas is increased from 200 K to 800 K, how does the RMS speed change?
  • A. Increases by 2
  • B. Increases by 4
  • C. Increases by sqrt(4)
  • D. Decreases by sqrt(4)
Q. If the temperature of a gas is increased from 300 K to 600 K, how does the RMS speed change?
  • A. It doubles
  • B. It increases by sqrt(2)
  • C. It increases by sqrt(3)
  • D. It remains the same
Q. If the temperature of a gas is increased while keeping the volume constant, what happens to the pressure?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Pressure remains constant
  • D. Pressure becomes zero
Q. If the temperature of an ideal gas is doubled at constant volume, what happens to the pressure?
  • A. It remains the same
  • B. It doubles
  • C. It triples
  • D. It quadruples
Q. If the temperature of an ideal gas is doubled at constant volume, what happens to the average kinetic energy of the gas molecules?
  • A. It remains the same.
  • B. It doubles.
  • C. It triples.
  • D. It halves.
Q. If the temperature of an ideal gas is doubled while keeping the volume constant, what happens to the pressure?
  • A. It remains the same.
  • B. It doubles.
  • C. It triples.
  • D. It halves.
Q. If the volume of a gas is doubled while keeping the temperature constant, what happens to the pressure?
  • A. It doubles
  • B. It halves
  • C. It remains the same
  • D. It quadruples
Q. If the volume of a gas is halved while keeping the temperature constant, what happens to the pressure?
  • A. Pressure is halved
  • B. Pressure remains constant
  • C. Pressure doubles
  • D. Pressure quadruples
Q. In a closed container, if the temperature of a gas is increased, what happens to the pressure if the volume is constant?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Pressure remains constant
  • D. Pressure becomes zero
Q. In a closed container, if the temperature of a gas is increased, what happens to the pressure?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. In a gas mixture, the total pressure is equal to the sum of the partial pressures of the individual gases. This is known as:
  • A. Dalton's Law
  • B. Boyle's Law
  • C. Charles's Law
  • D. Ideal Gas Law
Q. In a gas mixture, what is the partial pressure of a gas?
  • A. Total pressure of the mixture
  • B. Pressure exerted by the gas alone
  • C. Pressure exerted by all gases
  • D. Pressure at absolute zero
Q. In a gas mixture, which law can be used to find the total pressure exerted by the gases?
  • A. Dalton's Law of Partial Pressures
  • B. Boyle's Law
  • C. Charles's Law
  • D. Ideal Gas Law
Q. In a gas, if the volume is halved while keeping the temperature constant, what happens to the pressure?
  • A. It remains the same.
  • B. It doubles.
  • C. It halves.
  • D. It quadruples.
Q. In a gas, the distribution of molecular speeds is described by which law?
  • A. Maxwell-Boltzmann distribution
  • B. Bernoulli's principle
  • C. Boyle's law
  • D. Charles's law
Q. In a gas, the mean free path is defined as the average distance traveled by a molecule between collisions. Which factor does NOT affect the mean free path?
  • A. Temperature
  • B. Pressure
  • C. Molecular diameter
  • D. Color of the gas
Q. In a mixture of gases, how does the RMS speed depend on the individual gas components?
  • A. It depends only on the lightest gas
  • B. It is the weighted average of the RMS speeds of the components
  • C. It is the sum of the RMS speeds of the components
  • D. It is independent of the gas components
Q. In a mixture of gases, how is the RMS speed of the mixture calculated?
  • A. Using the average molar mass of the mixture
  • B. Using the molar mass of the heaviest gas
  • C. Using the molar mass of the lightest gas
  • D. It cannot be calculated
Q. In a thermodynamic process, if the pressure of a gas is held constant and the volume decreases, what happens to the temperature?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes negative
Q. In an ideal gas, the average kinetic energy of a molecule is directly proportional to which of the following?
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Number of molecules
Q. In an ideal gas, the average kinetic energy of a molecule is directly proportional to:
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Density
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