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What is the work done by a gas during expansion at constant pressure?

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Question: What is the work done by a gas during expansion at constant pressure?

Options:

  1. PΔV
  2. ΔU
  3. Q
  4. 0

Correct Answer: PΔV

Solution: 

The work done by a gas during expansion at constant pressure is given by W = PΔV.

What is the work done by a gas during expansion at constant pressure?

Practice Questions

Q1
What is the work done by a gas during expansion at constant pressure?
  1. PΔV
  2. ΔU
  3. Q
  4. 0

Questions & Step-by-Step Solutions

What is the work done by a gas during expansion at constant pressure?
  • Step 1: Understand that work done by a gas is related to how much it expands.
  • Step 2: Recognize that when a gas expands at constant pressure, the pressure (P) remains the same.
  • Step 3: Identify that ΔV represents the change in volume, which is the final volume minus the initial volume.
  • Step 4: Use the formula W = PΔV to calculate the work done, where W is the work, P is the constant pressure, and ΔV is the change in volume.
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