Gas Laws

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. 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 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. If 1 mole of an ideal gas occupies 22.4 L at STP, what is the pressure exerted by the gas?
  • A. 1 atm
  • B. 2 atm
  • C. 0.5 atm
  • D. 4 atm
Q. If 2 moles of an ideal gas at 300 K occupy a volume of 10 L, what is the pressure of the gas? (Use R = 0.0821 L·atm/(K·mol))
  • A. 0.5 atm
  • B. 1.0 atm
  • C. 2.0 atm
  • D. 3.0 atm
Q. If a gas occupies 10 L at 1 atm, what will be its volume at 2 atm if the temperature remains constant?
  • A. 5 L
  • B. 10 L
  • C. 20 L
  • D. 15 L
Q. If a gas occupies a volume of 10 L at 1 atm, what will be its volume at 2 atm if the temperature remains constant?
  • A. 5 L
  • B. 10 L
  • C. 20 L
  • D. 15 L
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 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 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. 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 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 isothermal process, which of the following remains constant?
  • A. Pressure
  • B. Volume
  • C. Temperature
  • D. Number of moles
Q. In which condition does a real gas behave most like an ideal gas?
  • A. High pressure and low temperature
  • B. Low pressure and high temperature
  • C. High pressure and high temperature
  • D. Low pressure and low temperature
Q. In which condition does the ideal gas law fail?
  • A. High temperature and low pressure
  • B. Low temperature and high pressure
  • C. High volume
  • D. Low volume
Q. What happens to the pressure of a gas if its temperature is increased while keeping the volume constant?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Pressure remains constant
  • D. Pressure becomes zero
Q. What happens to the volume of a gas if its temperature is increased at constant pressure?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. What happens to the volume of a gas when its temperature is increased at constant pressure?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. What is the combined gas law equation?
  • A. PV = nRT
  • B. P1V1/T1 = P2V2/T2
  • C. P1V1 = P2V2
  • D. V1/T1 = V2/T2
Q. What is the effect of increasing the number of moles of a gas on its pressure at constant volume and temperature?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Pressure remains constant
  • D. Pressure becomes zero
Q. What is the effect of increasing the number of moles of gas in a closed container at constant temperature?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Volume decreases
  • D. Temperature decreases
Q. What is the effect of increasing the number of moles of gas in a closed container at constant temperature and volume?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Volume decreases
  • D. Temperature increases
Q. What is the effect of increasing the number of moles of gas on pressure at constant volume and temperature?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Pressure remains constant
  • D. Pressure becomes zero
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