What is the work done by the system when it expands against a constant external

Practice Questions

Q1
What is the work done by the system when it expands against a constant external pressure?
  1. PΔV
  2. ΔU
  3. Q
  4. PΔT

Questions & Step-by-Step Solutions

What is the work done by the system when it expands against a constant external pressure?
  • Step 1: Understand that 'work done by the system' refers to the energy used when a system expands.
  • Step 2: Recognize that this expansion happens against an external pressure, which is constant.
  • Step 3: Identify the formula for work done during expansion, which is W = PΔV.
  • Step 4: In the formula, 'W' represents work, 'P' is the constant external pressure, and 'ΔV' is the change in volume (final volume - initial volume).
  • Step 5: To find the work done, multiply the constant external pressure (P) by the change in volume (ΔV).
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