Thermodynamics (C)

Match List I (equations) with List II (types of process) and select the correct OPTION.

The equilibrium concentrations of the species in the reaction$A+B⇋C+D$are$2,3,10\mathrm{and}6\mathrm{mol}L^{-1}$respectively at$300K$.$\Delta\,G^{\circ\,}$for the reaction is $\left(R=2\mathrm{cal}/\mathrm{mol}K\right)$

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R: Assertion A: In equation $\Delta\,_{r}G=-\mathrm{nFE}_{\mathrm{cell}}$value of $\Delta\,_{r}G$ depends on $n$.…

For the reaction: $X_{2}O_{4}\left(l\right)\rightarrow\,2XO_{2}\left(g\right)$ $\Delta\,U=2\operatorname{.1}\,k\mathrm{cal},\Delta\,S=20\mathrm{cal}K^{-1}$ at $300K$ Hence, $\Delta\,G$ is:

Consider the following liquid - vapour equilibrium. $Liquid\rightleftharpoons\,Vapour$ Which of the following relations is correct?

For a given reaction, $\text{\Delta}\text{H}=35.5\text{}\text{k}\text{J}\text{}\text{m}\text{o}\text{l}^{-1}$ and $\text{\Delta}\text{S}=83.6\text{}\text{J}\text{K}^{-1}\text{m}\text{o}\text{l}^{-1}.$ The reaction is…

The enthalpy of formation of ethane $\(\left(\mathrm{C}_2$ $\mathrm{H}_6\right)\)$ from ethylene by addition of hydrogen where the bond-energies of $\(\mathrm{C}-\mathrm{H},$ $\mathrm{C}-\mathrm{C},$…

Three moles of an ideal gas are compressed isothermally from \(60 $\mathrm{~L}\)$ to \(20 $\mathrm{~L}\)$ using constant pressure of \(5 $\mathrm{~atm}\).$ Heat exchange $\(\mathrm{Q}\)$ for the compression is - ______…

For independent process at $300K$. Process $\Delta\,H/\mathrm{kJmol}^{-1}$ $\Delta\,S/\mathrm{JK}^{-1}$ $A$ $-25$ $-80$ $B$ $-22$ $40$ $C$ $25$ $-50$ $D$ $22$ $20$ The number of non-spontaneous process from the…

Consider the following data Heat of combustion of $H_{2}(g)=-241.8\mathrm{kJ}\mathrm{mol}^{-1}$ Heat of combustion of $C(s)=-393.5\mathrm{kJ}\mathrm{mol}^{-1}$ Heat of combustion…

$30.4\mathrm{kJ}$ of heat is required to melt one mole of sodium chloride and the entropy change at the melting point is $28.4JK^{-1}\mathrm{mol}^{-1}$ at $1\mathrm{atm}$. The melting point of sodium chloride is _______…

$17.0g$ of $\mathrm{NH}_{3}$ completely vapourises at $-33.42^{\circ}C$ and $1$bar pressure and the enthalpy change in the process is $23.4\mathrm{kJ}\mathrm{mol}^{-1}$. The enthalpy change for the vapourisation of…