17.0 g of $\mathrm{NH}_3$ completely vapourises at – $33.42^{\circ} \mathrm{C}$ and 1 bar pressure and the enthalpy change in the process is $23.4 \mathrm{~kJ} \mathrm{~mol}^{-1}$....

For complete combustion of methanol $\mathrm{CH}_3 \mathrm{OH}(1)+\frac{3}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{CO}_2(\mathrm{~g})+2 \mathrm{H}_2 \mathrm{O}(1)$ the amount of heat produced as measured by bomb calorimeter is $...

The standard entropy change for the reaction $4 \mathrm{Fe}(\mathrm{s})+3 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{Fe}_2 \mathrm{O}_3(\mathrm{~s})$ is $-550 \mathrm{JK}^{-1}$ at 298 K.
[Given : The standard...

If 5 moles of an ideal gas expands from 10 L to a volume of 100 L at 300 K under isothermal and reversible condition...

Match List-I with List-II Choose the correct answer from the options given below:

Two reactions are given below: $$ \begin{aligned} & 2 \mathrm{Fe}_{(\mathrm{s})}+\frac{3}{2} \mathrm{O}_{2(\mathrm{~g})} \rightarrow \mathrm{Fe}_2 \mathrm{O}_{3(\mathrm{~s})}, \Delta \mathrm{H}^{\mathrm{o}}=-822 \mathrm{~kJ} / \mathrm{mol} \\ & \mathrm{C}_{(\mathrm{s})}+\frac{1}{2} \mathrm{O}_{2(\mathrm{~g})} \rightarrow \mathrm{CO}_{(\mathrm{g})},...

Standard enthalpy of vapourisation for $\mathrm{CCl}_4$ is $30.5 \mathrm{~kJ} \mathrm{~mol}^{-1}$. Heat required for vapourisation of $284 \mathrm{~g}_{\mathrm{g}}$ of $\mathrm{CCl}_4$ at constant temperature is kJ ....

For a certain thermochemical reaction $M \rightarrow N$ at $\mathrm{T}=400 \mathrm{~K}, \Delta \mathrm{H}^{\ominus}=77.2 \mathrm{~kJ} \mathrm{~mol}^{-1}, \Delta \mathrm{~S}=122 \mathrm{JK}^{-1}, \log$ equilibrium constant $(\log K)$ is $...

Consider the given data :
(a) $\mathrm{HCl}(\mathrm{g})+10 \mathrm{H}_2 \mathrm{O}(\mathrm{l}) \rightarrow \mathrm{HCl} .10 \mathrm{H}_2 \mathrm{O} \quad \Delta \mathrm{H}=-69.01 \mathrm{~kJ} \mathrm{~mol}^{-1}$
(b) $...