A system absorbs 6 kJ of heat and does 1-5 kJ of work on itssurroundin – InterviewSolution

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1.	A system absorbs 6 kJ of heat and does 1-5 kJ of work on itssurroundings. The change in internal energy is(a) -7.5 kJ(b) -4.5 kJ() +4-5 kJ(d) +7-5 kJ
Answer» Q=U + W6=U +1.5U=6-1.5U=4.5

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