Homework Help: chemistry

Posted by Anonymous on Tuesday, February 8, 2011 at 2:38pm.

A system gives off 196 kJ of heat to the surroundings and the surroundings do 4.20 x 10ł kJ of work on the system. What is the change in internal energy of the system?

chemistry - Henry, Tuesday, February 8, 2011 at 3:31pm
Check your 2-6-11,10:12pm post.
chemistry - Liz, Thursday, March 24, 2011 at 8:32am
Internal energy = heat + work
heat = -196 kJ
work = 4200 kJ

Internal energy = -196 kJ + 4200 kJ
chemistry - Anonymous, Wednesday, October 3, 2012 at 1:11am
Internal energy = -196 kJ + 4200 kJ

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