If the pressure of a gas is increased while keeping the temperature constant, wh

Practice Questions

Q1
If the pressure of a gas is increased while keeping the temperature constant, what happens to its volume? (2020)
  1. It increases
  2. It decreases
  3. It remains the same
  4. It becomes zero

Questions & Step-by-Step Solutions

If the pressure of a gas is increased while keeping the temperature constant, what happens to its volume? (2020)
  • Step 1: Understand that we are talking about a gas and its properties.
  • Step 2: Know that pressure (P) is how much force the gas particles are pushing against the walls of their container.
  • Step 3: Recognize that volume (V) is the amount of space the gas occupies.
  • Step 4: Remember Boyle's Law, which states that pressure multiplied by volume equals a constant when temperature is constant (P * V = constant).
  • Step 5: If we increase the pressure (P) while keeping the temperature the same, the product P * V must still equal the same constant.
  • Step 6: Since P is increasing, to keep the product constant, the volume (V) must decrease.
  • Step 7: Therefore, when pressure increases, the volume of the gas decreases.
  • Boyle's Law – Boyle's Law states that the pressure of a gas is inversely proportional to its volume when the temperature is held constant.
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