The standard enthalpy and standard entropy of decomposition of $N_2O_4$ to $NO_2$ are $55.0 \ kJ \ mol^{-1}$ and $175.0 \ J \ K^{-1} \ mol^{-1}$ respectively. The standard free energy change for this reaction at $25 ^{\circ}C$ in $J \ mol^{-1}$ is $............$ $(Nearest \ integer)$.
- A$2850$
- B$2950$
- C$3065$
- D$4025$
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Similar Questions
What will be the value of $\Delta G$ for the melting of ice at $283 \ K$?
Medium
View SolutionFor the reaction at $298 \ K$,$2 \ A^{+}B \rightarrow C$. $\Delta H = 400 \ kJ \ mol^{-1}$ and $\Delta S = 0.2 \ kJ \ mol^{-1} \ K^{-1}$. The reaction will become spontaneous above $...... \ K$.
Calculate the work done if $1 \ mole$ of a certain gas is compressed isothermally and reversibly at $300 \ K$ from an initial pressure $x \ bar$ to a final pressure $2x \ bar$ $[R = 8.314 \ J \ K^{-1} \ mol^{-1}]$. (in $kJ$)
For a reaction to occur spontaneously,which of the following conditions must be met?
MediumAIPMT 1995
View SolutionValues of $\Delta H$ and $\Delta S$ for five different reactions are given below. On the basis of these values,predict which one of these will be spontaneous at all temperatures.
Reaction $\Delta H \ (kJ \ mol^{-1}) / \Delta S \ (J \ K^{-1} \ mol^{-1})$ $I$ $+98.0, +14.8$ $II$ $-55.5, -84.6$ $III$ $+28.3, -17.0$ $IV$ $-40.5, +24.6$ $V$ $+34.7, 0.0$
| Reaction | $\Delta H \ (kJ \ mol^{-1}) / \Delta S \ (J \ K^{-1} \ mol^{-1})$ |
|---|---|
| $I$ | $+98.0, +14.8$ |
| $II$ | $-55.5, -84.6$ |
| $III$ | $+28.3, -17.0$ |
| $IV$ | $-40.5, +24.6$ |
| $V$ | $+34.7, 0.0$ |
Medium
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