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April 19, 2014

Homework Help: chemistry

Posted by princess cunningham on Monday, May 14, 2012 at 2:15pm.

Use Hess's law and the following equations to calculate ÄH for the reaction N2(g) + 2O2(g) N2O4(g).


2NO2(g)->N2O4(g) ÄH = –57.0 kJ/mol

N2(g)+O2(g)->2NO(g) ÄH = 180.6 kJ/mol

2NO2(g)->2NO(g)+O2(gÄH = 114.4 kJ/mol

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