Question

The absolute enthalpy of neutralisation of the reaction:$MgO (s) + 2HCl (aq) \longrightarrow MgCl_2 (aq) + H_2O (l)$ will be:
(a) -57.33 kJ mol⁻¹
(b) greater than -57.33 kJ mol⁻¹
(c) less than -57.33 kJ mol⁻¹
(d) 57.33 kJ mol⁻¹

Answer 1

hey mate..... the answer is

(a) -57.33 kJ mol−1