Consider the following reaction at 298" " K. $\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \rightleftharpoons \mathrm{O}_{3(\mathrm{~g})} \cdot \mathrm{K}_{\mathrm{p}}=2.47 \times 10^{-29}$
$\Delta_{\mathrm{r}} \mathrm{G}^{\Theta}$ for the reaction is $\_\_\_\_$ $\mathrm{kJ} .\left(\right.$...

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A): Enthalpy of neutralisation...

An ideal gas undergoes a cyclic transformation starting from the point A and coming back to the same point by tracing the path A→B→C→A as...

Which of the following is not correct ?

Chlorine undergoes disproportionation in alkaline medium as shown below : a Cl_2 (" " g)+bOH^- (aq)→cClO^- (aq)+dCl^- (aq) +e_2 O(l) The values of a,b,c and...

Arrange the following in order of magnitude of work done by the system/on the system at constant temperature. (a) $\left|w_{\text {reversible }}\right|$ for expansion in...

If three moles of an ideal gas at 300 K expand isotherrnally from $30dm^3$ to $45dm^3$ against a constant opposing pressure of 80kPa, then the...

If $C$ (diamond) $\rightarrow C$ (graphite ) $+X \mathrm{~kJ} \mathrm{~mol}^{-1}$ $\mathrm{C}($ diamond $)+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}_{2}(\mathrm{~g})+\mathrm{YkJmol}^{-1}$ C (graphite) $+\mathrm{O}_{2}(\mathrm{~g}) \rightarrow \mathrm{CO}_{2}(\mathrm{~g})+\mathrm{ZkJmol}^{-1}$ at constant temperature. Then

Total enthalpy change for freezing of 1 mol of water at ${10^\circ}{\rm{C}}$ to ice at $ - {10^\circ }{\rm{C}}$ is
(Given: $...