The enthalpy change for the reaction, Zn (s) + 2 H+ (aq) → Zn2+ (aq) + H2 (g) is -154.4 kJ mol-1 .The formation of 2 g of hydrogen expands the system by 22.4 L at 1 atm pressure. The internal energy change of the reaction will be
a. 156. kJ
b. -152.1 kJ
c. -154.4 kJ
d. None of these is correct
