Enthalpies of formation of $\mathrm{CCl}_4(\mathrm{~g}), \mathrm{H}_2 \mathrm{O}(\mathrm{g}), \mathrm{CO}_2(\mathrm{~g})$ and $\mathrm{HCl}(\mathrm{g})$ are $-105,-242,-394$ and $-92 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. The magnitude of enthalpy of the reaction given...

The correct statement amongst the following is :

The hydration energies of $\mathrm{K}^{+}$and $\mathrm{Cl}^{-}$are $-x$ and $-y \mathrm{~kJ} / \mathrm{mol}$ respectively. If lattice energy of KCl is $-z \mathrm{~kJ} / \mathrm{mol}$. then the...

A sample of $n$-octane $(1.14 \mathrm{~g})$ was completely burnt in excess of oxygen in a bomb calorimeter, whose heat capacity is $5 \mathrm{~kJ} \mathrm{~K}^{-1}$. As...

A perfect gas ( 0.1 mol ) having $\overline{\mathrm{C}}_v=1.50 \mathrm{R}$ (independent of temperature) undergoes the...

The total number of intensive properties from the following is $\_\_\_\_$ Volume, Molar heat capacity, Molarity, $\mathrm{E}^\theta$ cell, Gibbs free energy change, Molar mass, Mole

Identify the correct order of standard enthalpy of formation of sodium halides.

What happens when methane undergoes combustion in systems A and B respectively?

The number of endothermic process/es from the following is ______
(A) $\mathrm{I}_2(\mathrm{~g}) \rightarrow 2 \mathrm{I}(\mathrm{g})$
(B) $\mathrm{HCl}(\mathrm{g}) \rightarrow \mathrm{H}(\mathrm{g})+\mathrm{Cl}(\mathrm{g})$
(C) $\mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{H}_2 \mathrm{O}(\mathrm{g})$...

Consider the following data Heat of combustion of $\mathrm{C}(\mathrm{s})=-393.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$
Heat of combustion of $...