system 38 kJ 175 kJ work done heat released
ΔE for a system is 38 kJ.
If 175 kJ of work was done on the system,
how much heat was released?
---------------------------------------------------
ΔE = q + w
( 참고 https://ywpop.tistory.com/5134 )
38 = q + 175
q = 38 – 175 = –137
답: –137 kJ
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