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October 21, 2014

Homework Help: CHEMISTRY> HELP QUICK! pls

Posted by Lucinda on Friday, August 20, 2010 at 9:44pm.

A system loses 14.2 kJ of heat while performing 7.2kJ of
work on the surroundings. If the initial internal energy, E, is 77.6 kJ, what is the final value of E?

56.2 kJ
70.6 kJ
99.0 kJ
84.6 kJ

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