Resources Save Answer HR MIN SEC < Question 7 of 10 > A system does 521 kJ of work and loses 286 kJ of heat...

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Answer #1

Answer: $\large \Delta$ E = -807 kJ

System does 521 kJ of werk. So, w=-521 kJ system loses 286 kJ of heat to surrounding. So, q=-286 kJ | By first law of thermod

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