A) Dissolution of \[N{{H}_{4}}Cl\] in excess of water is an endothermic process.
B) Neutralisation is always exothermic
C) The absolute value of enthalpy (H) can be determined experimentally
D) The heat of reaction at constant volume denoted by\[\Delta E.\]
Correct Answer: C
Solution :
Absolute value of enthalpy (H) cannot be determined. We can only calculate change in enthalpy.
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