engineering physics MCQ #2794

A gas expands against a constant external pressure of 1 atm. If the volume change is 2 L, the work done by the gas is

engineering physics MCQ #2794

  1. Question 1

    Q1. A gas expands against a constant external pressure of 1 atm. If the volume change is 2 L, the work done by the gas is

    • A) -2 L atm
    • B) 2 L atm
    • C) -1 L atm
    • D) 1 L atm

    Answer: 2 L atm

    Explanation: W = P * ΔV = 1 atm * 2 L = 2 L atm.