Science, asked by aishwaryamamidwar5, 3 months ago

28. calculate the change in intemal energy when gas
is expanded by supplying 1500J of heat energy. work done is expansion is 850J

Answers

Answered by shifarahman2008

1

Answer:

Heat, Q=15cal

Work done, W=150J

1cal=4.2J

From first law of thermodynamic

Q=ΔU+W

ΔU=Q−W=15×4.2−150=−87J

Hence, decrease in potential energy is 87J

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