Three different processes act on a system. (a) In process A, 42 Jof work are done on the system and 77 J of heat are added to thesystem. Find the change in the system’s internal energy. (b) In process B, the system does 42 J of work and 77 J of heat are added tothe system. What is the change in the system’s internal energy?(c) In process C, the system’s internal energy decreases by 120 J while the system performs 120 J of work on its surroundings. Howmuch heat was added to the system?

Three different processes act on a system. (a) In process A, 42 Jof work are done on the system and 77 J of heat are added to thesystem. Find the change in the system’s internal energy. (b) In process B, the system does 42 J of work and 77 J of heat are added tothe system. What is the change in the system’s internal energy?(c) In process C, the system’s internal energy decreases by 120 J while the system performs 120 J of work on its surroundings. Howmuch heat was added to the system?

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Question

Three different processes act on a system. (a) In process A, 42 J
of work are done on the system and 77 J of heat are added to the
system. Find the change in the system’s internal energy. (b) In process B, the system does 42 J of work and 77 J of heat are added to
the system. What is the change in the system’s internal energy?
(c) In process C, the system’s internal energy decreases by 120 J while the system performs 120 J of work on its surroundings. How
much heat was added to the system?

Expert Solution