States of Matter - Real Gases

Q. At which conditions do real gases behave most like ideal gases?
  • 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. What happens to the pressure of a real gas as the temperature decreases at constant volume?
  • A. Pressure increases
  • B. Pressure decreases
  • C. Pressure remains constant
  • D. Pressure fluctuates
Q. What is the critical point of a gas?
  • A. The temperature at which a gas can no longer be liquefied
  • B. The pressure at which a gas behaves ideally
  • C. The temperature at which gas molecules stop moving
  • D. The point at which gas volume is zero
Q. What is the effect of increasing the number of gas molecules in a container at constant volume?
  • A. Pressure decreases
  • B. Pressure increases
  • C. Temperature decreases
  • D. Volume increases
Q. What is the primary reason real gases deviate from ideal gas behavior?
  • A. Molecular size
  • B. Intermolecular forces
  • C. Temperature
  • D. Pressure
Q. Which equation accounts for the volume occupied by gas molecules in real gases?
  • A. Ideal Gas Law
  • B. Van der Waals equation
  • C. Boyle's Law
  • D. Charles's Law
Q. Which factor does NOT affect the behavior of real gases?
  • A. Temperature
  • B. Pressure
  • C. Volume
  • D. Color
Q. Which of the following best describes the behavior of real gases compared to ideal gases?
  • A. Real gases have no volume.
  • B. Real gases do not exert intermolecular forces.
  • C. Real gases deviate from ideal behavior at high pressures.
  • D. Real gases behave exactly like ideal gases.
Q. Which of the following gases is expected to behave most ideally?
  • A. NH3
  • B. CO2
  • C. He
  • D. H2O
Q. Which of the following statements about real gases is true?
  • A. Real gases have perfectly elastic collisions.
  • B. Real gases have no intermolecular forces.
  • C. Real gases occupy no volume.
  • D. Real gases can condense into liquids.
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