Answers

2014-03-11T12:10:57+05:30
(a) From First Law of Thermodynamics,
ΔU=Q - W

Given that ΔQ=701(Heat energy supplied to the system)
ΔW=396 (work is done by the system)

:. ΔU= 701-396= 305 joules

(b) ΔU=Q-W

ΔU= 5-1=4 kilojoules

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