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4 years ago

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A closed system changes from state 1 to state 2 while 40kj of heat is added and 60kj of work is done by the system. As system is

returned to state 1, 20kj of work is done on it. what is the heat transferred during process 2-1

1 answer:

Anna71 [15]4 years ago

7 0

Answer:help

Explanation: 2,60

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