If the temperature of a gas is doubled at constant volume, what happens to its p

Practice Questions

Q1
If the temperature of a gas is doubled at constant volume, what happens to its pressure? (2021)
  1. It doubles
  2. It triples
  3. It halves
  4. It remains the same

Questions & Step-by-Step Solutions

If the temperature of a gas is doubled at constant volume, what happens to its pressure? (2021)
  • Step 1: Understand that we are dealing with a gas in a closed container where the volume does not change.
  • Step 2: Recall Gay-Lussac's law, which states that if the volume is constant, the pressure of a gas is directly proportional to its temperature.
  • Step 3: If the temperature of the gas is doubled, it means the new temperature is twice the original temperature.
  • Step 4: Since pressure is directly proportional to temperature, if the temperature doubles, the pressure will also double.
  • Step 5: Therefore, when the temperature of the gas is doubled at constant volume, the pressure also doubles.
  • 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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