Gas Laws Warmups (Part One)

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Gas Laws Warmups (Part One)

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• 1. The temperature of a sample of matter is a
  measure of the-
• A) average kinetic energy of its particles
• B) average potential energy of its particles
• C) total kinetic energy of its particles
• D) total potential energy of its particles

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• 2. According to the kinetic molecular theory,
  the particles of an ideal gas-
• A) have no potential energy
• B) have strong intermolecular forces
• C) are arranged in a regular, repeated
  geometric pattern
• D) are separated by great distances, compared to
  their size

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• 3. Which temperature change would cause a
  sample of an ideal gas to double in volume while
  the pressure is held constant?
• A) from 400. K to 200. K
• B) from 200. K to 400. K
• C) from 400.C to 200.C
• D) from 200.C to 400.C

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• Under which conditions of temperature and
  pressure does carbon dioxide gas behave most like
  an ideal gas?
• A) low temperature and low pressure
• B) low temperature and high pressure
• C) high temperature and low pressure
• D) high temperature and high pressure

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• A gas sample is at 25C and 1.0 atmosphere. Which
  changes in temperature and pressure will cause
  this sample to behave more like an ideal gas?
• A) decreased temperature and increased pressure
• B) decreased temperature and decreased pressure
• C) increased temperature and increased pressure
• D) increased temperature and decreased pressure

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• A cylinder with a movable piston contains a
  sample of gas having a volume of 6.0 liters at
  293 K and 1.0 atmosphere. What is the volume of
  the sample after the gas is heated to 303 K,
  while the pressure is held at 1.0 atmosphere?
• A) 9.0 L B) 5.8 L
• C) 6.2 L D) 4.0 L

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• As the temperature of a chemical reaction in the
  gas phase is increased, the rate of the reaction
  increases because-
• A) fewer particle collisions occur
• B) more effective particle collisions occur
• C) the required activation energy increases
• D) the concentration of the reactants increases

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• Which sample of ethanol has particles with the
  highest average kinetic energy?
• A) 10.0 mL of ethanol at 25C
• B) 10.0 mL of ethanol at 55C
• C) 100.0 mL of ethanol at 35C
• D) 100.0 mL of ethanol at 45C

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• 9. A real gas behaves least like an ideal gas
  under the conditions of-
• A) low temperature and low pressure
• B) low temperature and high pressure
• C) high temperature and low pressure
• D) high temperature and high pressure

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• 10. Which statement describes the particles of an
  ideal gas?
• A) The particles move in well-defined, circular
  paths.
• B) When the particles collide, energy is lost.
• C) There are forces of attraction between the
  particles.
• D) The volume of the particles is negligible.

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• A sample of gas confined in a cylinder with a
  movable piston is kept at constant pressure. The
  volume of the gas doubles when the temperature of
  the gas is changed from-
• A) 400. K to 200. K B) 400.C to 200.C
• C) 200. K to 400. K D) 200.C to 400.C

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• 12. The particles in which sample of LiCl(s) have
  the same average kinetic energy as the particles
  in a 2.0-mole sample of H2O(l) at 25C?
• A) 1.0 mol at 75C
• B) 2.0 mol at 50.C
• C) 3.0 mol at 25C
• D) 4.0 mol at 0C