Use the standard enthalpies of formation for the reactants and products to solve for the AH, xn for the following reaction. (The AH, of HCN is 108.9 kJ/mol, AgCl is -127.068 kJ/mol, HCl is -167.159 kJ/mol and AgCN is 146.0 kJ/mol.)
HCl (aq) + AGCN (s) → HCN (aq) + AgCl (s)
AHxn =
The reaction is