Kinetic Theory of Gases

Q. A gas at 300 K has an RMS speed of 400 m/s. What will be its RMS speed at 600 K?
  • A. 400 m/s
  • B. 400 sqrt(2) m/s
  • C. 800 m/s
  • D. 200 m/s
Q. A gas at 300 K has an RMS speed of 500 m/s. What will be its RMS speed at 600 K?
  • A. 500 m/s
  • B. 707 m/s
  • C. 1000 m/s
  • D. 250 m/s
Q. A gas has an RMS speed of 500 m/s. If the molar mass of the gas is 0.02 kg/mol, what is the temperature of the gas?
  • A. 250 K
  • B. 500 K
  • C. 1000 K
  • D. 2000 K
Q. According to Charles's Law, how does the volume of a gas change with temperature at constant pressure?
  • A. V ∝ T
  • B. V ∝ 1/T
  • C. V + T = constant
  • D. VT = constant
Q. According to Charles's Law, what happens to the volume of a gas when the temperature increases at constant pressure?
  • A. Volume decreases
  • B. Volume remains constant
  • C. Volume increases
  • D. Volume becomes zero
Q. According to the kinetic theory of gases, the pressure exerted by a gas is due to:
  • A. the gravitational force on the gas
  • B. the collisions of gas molecules with the walls of the container
  • C. the temperature of the gas
  • D. the volume of the gas
Q. According to the kinetic theory, the pressure exerted by a gas is due to which of the following?
  • A. The weight of the gas molecules.
  • B. The collisions of gas molecules with the walls of the container.
  • C. The temperature of the gas.
  • D. The volume of the gas.
Q. According to the kinetic theory, the pressure exerted by a gas is due to:
  • A. Gravitational force
  • B. Molecular collisions with the walls
  • C. Temperature of the gas
  • D. Volume of the gas
Q. At absolute zero, the kinetic energy of gas molecules is:
  • A. Maximum
  • B. Zero
  • C. Minimum
  • D. Undefined
Q. At absolute zero, what is the expected volume of an ideal gas?
  • A. Zero
  • B. Infinite
  • C. Constant
  • D. Undefined
Q. At absolute zero, what is the theoretical volume of an ideal gas?
  • A. Zero
  • B. Infinite
  • C. Constant
  • D. Undefined
Q. At constant pressure, if the temperature of a gas is increased, what happens to its volume?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. At constant pressure, what is the relationship between volume and temperature of a gas?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Independent
  • D. Exponential
Q. At what temperature (in Kelvin) does the volume of a gas become zero according to Charles's Law?
  • A. 0 K
  • B. 273 K
  • C. 100 K
  • D. 32 K
Q. At what temperature does the volume of a gas theoretically become zero?
  • A. 0°C
  • B. 0 K
  • C. 273 K
  • D. 100 K
Q. At what temperature will the RMS speed of a gas be 1000 m/s if its molar mass is 0.044 kg/mol?
  • A. 300 K
  • B. 400 K
  • C. 500 K
  • D. 600 K
Q. At what temperature will the RMS speed of a gas be 1000 m/s if its molar mass is 0.044 kg/mol? (R = 8.314 J/(mol K))
  • A. 500 K
  • B. 600 K
  • C. 700 K
  • D. 800 K
Q. At what temperature will the RMS speed of a gas be 300 m/s if its molar mass is 28 g/mol?
  • A. 300 K
  • B. 600 K
  • C. 900 K
  • D. 1200 K
Q. At what temperature will the RMS speed of a gas be 500 m/s if its molar mass is 0.02 kg/mol? (2000)
  • A. 250 K
  • B. 500 K
  • C. 1000 K
  • D. 2000 K
Q. At what temperature will the RMS speed of a gas be 600 m/s if its molar mass is 0.02 kg/mol?
  • A. 300 K
  • B. 600 K
  • C. 900 K
  • D. 1200 K
Q. Calculate the RMS speed of a gas with molar mass 0.028 kg/mol at 300 K. (R = 8.314 J/(mol K))
  • A. 500 m/s
  • B. 600 m/s
  • C. 700 m/s
  • D. 800 m/s
Q. For a gas at 300 K, if the RMS speed is 500 m/s, what will be the RMS speed at 600 K?
  • A. 500 m/s
  • B. 707 m/s
  • C. 1000 m/s
  • D. 250 m/s
Q. For a gas at 300 K, what is the RMS speed if the molar mass is 0.028 kg/mol?
  • A. 500 m/s
  • B. 600 m/s
  • C. 700 m/s
  • D. 800 m/s
Q. For a gas at a certain temperature, if the molar mass is halved, what happens to the RMS speed?
  • A. Increases by a factor of 2
  • B. Increases by a factor of sqrt(2)
  • C. Decreases by a factor of 2
  • D. Remains the same
Q. For a gas at a constant temperature, if the molar mass is halved, what happens to the RMS speed?
  • A. Increases by a factor of sqrt(2)
  • B. Increases by a factor of 2
  • C. Decreases by a factor of 2
  • D. Remains the same
Q. For a gas at constant pressure, if the volume is doubled, what happens to the temperature?
  • A. It remains the same
  • B. It doubles
  • C. It halves
  • D. It triples
Q. For a gas at constant pressure, if the volume is halved, what happens to the temperature?
  • A. It remains the same
  • B. It doubles
  • C. It is halved
  • D. It is quartered
Q. For a gas mixture, how is the RMS speed 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. Using the molar mass of the most abundant gas
Q. For a gas with a molar mass of 32 g/mol at 273 K, what is the RMS speed?
  • A. 300 m/s
  • B. 400 m/s
  • C. 500 m/s
  • D. 600 m/s
Q. For a gas with a molar mass of 32 g/mol at a temperature of 300 K, what is the RMS speed?
  • A. 273 m/s
  • B. 400 m/s
  • C. 500 m/s
  • D. 600 m/s
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