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일반화학/[05장] 열화학

140 J heat 85 J work internal energy

by 영원파란 2023. 1. 4.

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140 J heat 85 J work internal energy

 

 

Calculate the change in the internal energy for a process

in which a system absorbs 140 J of heat from the surroundings

and does 85 J of work on the surroundings.

 

---------------------------------------------------

 

ΔE = q + w

( 참고 https://ywpop.tistory.com/5134 )

 

= (+140) + (–85)

= +55 J

 

 

 

 

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