Chemistry question- Hess's law?

L

Liam

New member
Calculate the overall reaction enthalpy for the following reaction:

N2(g) + 2O2(g) -----> 2NO2(g)

given that;

N2(g) + O2(g) -----> 2NO(g) ~Ho = +180 KJmol^-1
2NO(g) + O2(g) -----> 2NO2(g) ~Ho = -112KJmol^-1
 
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