Physics, 15.06.2021 18:20 eliseeimbody

A system does 80 J of work on its surroundings and releases 20 J of heat into its surroundings. What is the change of energy of the system?[Use U=Q-W a. -60 j
b. 60 j
c. -100 j
d. 100 j

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A system does 80 J of work on its surroundings and releases 20 J of heat into its surroundings. What...