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April 27, 2015

Homework Help: Chemistry

Posted by Ana on Sunday, March 28, 2010 at 10:04pm.

Calculate the enthalpy change for the following equation:
NO(g)+ 1/2O2(g) -----> NO2(g)

I have no clue how to do this. I just know the answer is supposed to be approximately -57.2 kJ. Can some explain to me what to do?

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