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What is the effect of increasing the molar mass of a gas on its average kinetic

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Question: What is the effect of increasing the molar mass of a gas on its average kinetic energy at a constant temperature?

Options:

  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Correct Answer: Remains the same

Solution: 

The average kinetic energy of gas molecules is independent of molar mass and is solely dependent on temperature. Therefore, it remains the same at constant temperature.

What is the effect of increasing the molar mass of a gas on its average kinetic

Practice Questions

Q1
What is the effect of increasing the molar mass of a gas on its average kinetic energy at a constant temperature?
  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Questions & Step-by-Step Solutions

What is the effect of increasing the molar mass of a gas on its average kinetic energy at a constant temperature?
  • Step 1: Understand that gases are made of molecules that are always moving.
  • Step 2: Know that the average kinetic energy of these molecules is related to their temperature.
  • Step 3: Remember that kinetic energy is a measure of how fast the molecules are moving.
  • Step 4: Realize that at a constant temperature, the average kinetic energy does not change, regardless of the molar mass of the gas.
  • Step 5: Conclude that increasing the molar mass of a gas does not affect its average kinetic energy at a constant temperature.
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