List of top Chemistry Questions on Enthalpy change asked in KCET

The property of the alkaline earth metals that increases with their atomic number is

The reaction in which $\Delta H > \Delta U$ is

Based on the first law oi thermodynamics, which one of the following is correct?

The enthalpy of formation of $NH_3$ is $- 4 6\, kJ \, mol^{-1}$. The enthalpy change for the reaction : $2 NH _{3}(g) \longrightarrow N _{2}(g)+3 H _{2}(g)$ is