Asked by Maha
                Is the Conversion of NO2 to HNO3 endo- or exothemic? 
Calculate the enthalpy and free energy change for the reaction
4NO2 + o2 + 2H2O-----> 4HNO3
in the aqueous phase.
            
        Calculate the enthalpy and free energy change for the reaction
4NO2 + o2 + 2H2O-----> 4HNO3
in the aqueous phase.
Answers
                    Answered by
            DrBob222
            
    Look up delta H formation and use
dHrxn = (n*dHf products) - (n*dHf reactants).
Do the same for dGo.
    
dHrxn = (n*dHf products) - (n*dHf reactants).
Do the same for dGo.
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