Problem: Which of the following statements about gases is true?Heavier gas particles effuse faster than lighter gas particles.Particles of different masses have the same average speed at a given temperature.The higher the temperature, the lower the average kinetic energy of a gas sample.At very high pressures, a gas will occupy a larger volume than predicted by the ideal gas law.Particles of lighter masses have a lower average speed then particles of a higher mass at a given temperature

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Which of the following statements about gases is true?

  1. Heavier gas particles effuse faster than lighter gas particles.
  2. Particles of different masses have the same average speed at a given temperature.
  3. The higher the temperature, the lower the average kinetic energy of a gas sample.
  4. At very high pressures, a gas will occupy a larger volume than predicted by the ideal gas law.
  5. Particles of lighter masses have a lower average speed then particles of a higher mass at a given temperature

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