A gas is compressed at a constant pressure of 50 N/m 2 from a volume of 10 m 3 to a volume of 4 m 3 . Energy of 100 J is then added to the gas by heating. Its internal energy is -
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Verified by ExpertsThe correct answer is:
A
Δ Q = dU + dW
100 = dU + 50(4 – 10)
100 = dU – 300
increases
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