Question: A thermodynamic system undergoes a process in which 200 J of heat is transferred to the system, and the system does 150 J of work

A thermodynamic system undergoes a process in which 200 J of heat is transferred to the system, and the system does 150 J of work on its surroundings. If the initial internal energy of the system is 500 J and the final internal energy is 700 J, what is the net change in heat during this process

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