When equal volume of 1 MHCl and $1 \mathrm{MH}_2 \mathrm{SO}_4$ are separately neutralised by excess volume of 1 M NaOH solution. X and ykJ of...

The heat of solution of anhydrous $\mathrm{CuSO}_4$ and $\mathrm{CuSO}_4 \cdot 5 \mathrm{H}_2 \mathrm{O}$ are $-70 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $+12 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. The heat of...

Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following :

The enthalpy of formation of ethane (C_2 H_6 ) from ethylene by addition of hydrogen where the bondenergies of C-H,C-C,H-H are 414 kJ,347 kJ, 615...

An ideal gas, $\overline{\mathrm{C}}_{\mathrm{V}}=\frac{5}{2} \mathrm{R}$, is expanded adiabatically against a constant pressure of 1 atm untill it doubles in volume. If the initial temperature and...

Consider the figure provided. 1 mol of an ideal gas is kept in a cylinder, fitted with a piston, at the position A, at $$18^{\circ}$$...

The heat of combustion of solid benzoic acid at constant volume is -321.30" " kJ at 〖27〗^∘ C. The heat of combustion at constant pressure...

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...