Given the following heat capacities, (assume they are constant over the temperature range in consideration here), calcrulate enthalpy for the reaction 2NO + O2 ->2NO2 at 398k. Assume no heat loss and constant pressure.
Cp(NO) = .029kj/mol.k
Cp(NO2)= .036kj/mol.k
Cp(O2)= .029KJ/mol.k