Question

Enthalpies of formation of CCL₄(g), H₂O(g), CO₂(g) and HCl(g) are - 105, -242, -394 and -92 kJ mol-1 respectively. The magnitude of enthalpy of the reaction given below is ___ kJ mol^-1 (nearest integer) 

CCL₄(g), 2H₂O(g) → CO₂(g) + 4HCl(g)

Answer 1

Correct answer is 173