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What is the work done by a gas during an isobaric expansion?

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Question: What is the work done by a gas during an isobaric expansion?

Options:

  1. Zero
  2. PΔV
  3. ΔU
  4. Q

Correct Answer: PΔV

Solution: 

In an isobaric process, the work done by the gas is given by W = PΔV, where P is the pressure and ΔV is the change in volume.

What is the work done by a gas during an isobaric expansion?

Practice Questions

Q1
What is the work done by a gas during an isobaric expansion?
  1. Zero
  2. PΔV
  3. ΔU
  4. Q

Questions & Step-by-Step Solutions

What is the work done by a gas during an isobaric expansion?
Correct Answer: W = PΔV
  • Step 1: Understand that an isobaric process means the pressure (P) of the gas remains constant during the expansion.
  • Step 2: Identify that during this process, the gas changes its volume (ΔV). ΔV is calculated as the final volume minus the initial volume.
  • Step 3: Use the formula for work done by the gas in an isobaric process, which is W = PΔV.
  • Step 4: Substitute the constant pressure (P) and the change in volume (ΔV) into the formula to calculate the work done (W).
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