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Answer to Question #269854 in General Chemistry for gata
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?
Expert's answer
According to the first law of thermodynamics
"\\Delta\\>u=q+w"
"\\Delta\\>u=-622-105\\\\=-727kJ"
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