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일반화학/[05장] 열화학

system 38 kJ 175 kJ work done heat released

by 영원파란 2021. 8. 6.

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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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