Practice question
Question
For an ideal gas expanding irreversibly against a constant external pressure of 1 atm from 2 L to 5 L, calculate the work done. (1 atm·L = 101.3 J)
Explanation
w = -Pext Δ V = -1 × (5 - 2) × 101.3 = -1 × 3 × 101.3 = -303.9 J.
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