Question #269854

a system releases 622kJ of heat and does 105 kJ of word on the surroundings. what is the change in internal energy of the system?


1
Expert's answer
2021-11-23T10:35:01-0500

According to the first law of thermodynamics



Δ u=q+w\Delta\>u=q+w


Δ u=−622−105=−727kJ\Delta\>u=-622-105\\=-727kJ


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