At the transition temperature $T$, $\Delta G^0 = 0$ and $\Delta G^0 = 105 - 35 \log T$, where $A$ and $B$ are two states of substance $X$. The transition temperature in $^\circ\text{C}$ when pressure is $1 \text{ atm}$ is . . . . . . .
- A$100$
- B$200$
- C$500$
- D$727$
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The maximum work done in expanding $16 \ g$ of oxygen at $300 \ K$ from an initial volume of $5 \ dm^3$ to a final volume of $25 \ dm^3$ isothermally and reversibly is $(\log_{10} 5 = 0.699)$.
Difficult
View SolutionFor independent processes at $300 \ K$,determine the number of non-spontaneous processes from the following table:
Process $\Delta H \ (kJ \ mol^{-1})$ $\Delta S \ (J \ K^{-1} \ mol^{-1})$ $A$ $-25$ $-80$ $B$ $-22$ $40$ $C$ $25$ $-50$ $D$ $22$ $20$
| Process | $\Delta H \ (kJ \ mol^{-1})$ | $\Delta S \ (J \ K^{-1} \ mol^{-1})$ |
|---|---|---|
| $A$ | $-25$ | $-80$ |
| $B$ | $-22$ | $40$ |
| $C$ | $25$ | $-50$ |
| $D$ | $22$ | $20$ |
What is the relationship between Gibbs free energy change,enthalpy change,and entropy change?
Easy
View SolutionWhat is the value of $\Delta G$ for a water system in an environment at a temperature of $100 \ K$?
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View SolutionFor a reaction to be spontaneous at any temperature,which of the following is true?
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