(i)What happens to the internal energy of the system.
(a) if work is done by the system.
(b)Work is done on the system.
(ii) Why enthalpy of neutralization of strong acid and base is consant?
(a) if work is done by the system.
(b)Work is done on the system.
(ii) Why enthalpy of neutralization of strong acid and base is consant?