Physics, 15.10.2019 00:00 Laylahlettiere
A. what is the change in internal energy if 500 j of heat is added to a system and 100 j of work is done by the system? show your work.
b. describe two sets of conditions of heat and work that cause a decrease in internal energy.
c. write one or two sentences describing how a heat pump works.
d. a neatly arranged closet is a very orderly system and has low entropy. why is it safe to assume that this did not happen naturally? write one or two sentences explaining your answer.
Answers: 3
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