The standard enthalpy of formation ofAgNO3(s) is -123.02 kJ/mol. Determine the standard enthalpy of formation of AgNO2(s). The standard enthalpy change ΔH° for the thermal decomposition of silver nitrate according to the following equation is +78.67 kJ.
AgNO3(s) →AgNO2(s) + 1/2 O2(g)