Homework Help: College Chemistry

Posted by Heather on Sunday, December 5, 2010 at 11:05am.

How do you calculate the value for Delta U for a system that loses 50 J of heat and has 150 J of work performed on it by the surrondings? I need to know the formula to use and how to use it. Thank you!

College Chemistry - Heather, Sunday, December 5, 2010 at 11:09am
Would it be Delta U = q + w ???

So, -50 +150 = 100 J

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