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If the temperature of an ideal gas is doubled at constant volume, what happens t

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Question: If the temperature of an ideal gas is doubled at constant volume, what happens to the pressure?

Options:

  1. It remains the same
  2. It doubles
  3. It triples
  4. It quadruples

Correct Answer: It doubles

Solution: 

According to Gay-Lussac\'s law, at constant volume, the pressure of an ideal gas is directly proportional to its absolute temperature. Therefore, if the temperature is doubled, the pressure also doubles.

If the temperature of an ideal gas is doubled at constant volume, what happens t

Practice Questions

Q1
If the temperature of an ideal gas is doubled at constant volume, what happens to the pressure?
  1. It remains the same
  2. It doubles
  3. It triples
  4. It quadruples

Questions & Step-by-Step Solutions

If the temperature of an ideal gas is doubled at constant volume, what happens to the pressure?
Correct Answer: Pressure doubles
  • Step 1: Understand that we are dealing with an ideal gas.
  • Step 2: Know that Gay-Lussac's law states that pressure is directly proportional to temperature at constant volume.
  • Step 3: Remember that 'doubling the temperature' means we multiply the original temperature by 2.
  • Step 4: Since pressure is directly proportional to temperature, if the temperature is doubled, the pressure will also double.
  • Step 5: Conclude that if the temperature of the gas is doubled, the pressure will also increase to twice its original value.
  • Gay-Lussac's Law – This law states that the pressure of a gas is directly proportional to its absolute temperature when the volume is held constant.
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