An oxidation-reduction reaction in which 3 electrons are transferred has a $\Delta \mathrm{G}^0$ of $17.37 \mathrm{~kJ} \mathrm{~mol}^{-1}$ at $25^{\circ} \mathrm{C}$. The value of $...

The combination of plots which does not represent isothermal expansion of an ideal gas is

The entropy change associated with the conversion of 1 kg of ice at 273 K to water vapours at 383 K is (Specific heat of...

Two blocks of the same metal having same mass and at temperature $T_1$ and $T_2$, respectively, are brought in contact with each other and allowed...

If enthalpy of atomisation for $\mathrm{Br}_{2(I)}$ is $\times \mathrm{kJ} / \mathrm{mol}$ and bond enthalpy for $\mathrm{Br}_2$ is $\mathrm{y} \mathrm{kJ} / \mathrm{mol}$, the relation between them

The magnitude of work done by a gas that undergoes reversible expansion along the path ABC shown in the figure is ________.

For a dimerization reaction
$$ 2 \mathrm{~A}(\mathrm{~g}) \rightarrow \mathrm{A}_2(\mathrm{~g}) $$ at $298 \mathrm{~K}, \Delta \mathrm{U}^{\circ}=-20 \mathrm{~kJ} \mathrm{~mol}^{-1}, \Delta \mathrm{~S}^{\circ}=-30$ $\mathrm{JK}^{-1} \mathrm{~mol}^{-1}$, then the $\Delta \mathrm{G}^{\circ}$...

Lattice enthalpy and enthalpy of solution of NaCl are $788 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $4 \mathrm{~kJ} \mathrm{~mol}^{-1}$, respectively. The hydration enthalpy of NaCl is

The difference between $\Delta \mathrm{H}$ and $\Delta \mathrm{U}(\Delta \mathrm{H}-\Delta \mathrm{U})$, when the combustion of one mole of heptane(I) is carried out at a temperature T...