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If the temperature of an ideal gas is doubled while keeping the pressure constan

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

Options:

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

Correct Answer: It doubles

Solution: 

According to Charles\'s Law, at constant pressure, the volume of an ideal gas is directly proportional to its temperature. Therefore, if the temperature doubles, the volume also doubles.

If the temperature of an ideal gas is doubled while keeping the pressure constan

Practice Questions

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

Questions & Step-by-Step Solutions

If the temperature of an ideal gas is doubled while keeping the pressure constant, what happens to its volume?
Correct Answer: Volume doubles
  • Step 1: Understand that we are dealing with an ideal gas.
  • Step 2: Know that Charles's Law states that at constant pressure, the volume of a gas is directly proportional to its temperature.
  • Step 3: Remember that 'directly proportional' means if one quantity increases, the other quantity increases by the same factor.
  • Step 4: In this case, the temperature of the gas is doubled.
  • Step 5: Since the temperature is doubled, according to Charles's Law, the volume must also double.
  • Charles's Law – Charles's Law states that the volume of an ideal gas is directly proportional to its absolute temperature when pressure is held constant.
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