Under isothermal and reversible conditions,the term "free energy" in thermodynamics signifies
- ANon-expansion work done by the system
- BExpansion work done by the system
- CNon-expansion work done on the system
- DExpansion work done on the system
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Similar Questions
Which of the following conditions will always lead to a non-spontaneous change?
Medium
View SolutionThe effect of temperature on the spontaneity of reactions is represented as follows:
Condition Details $A$. $\Delta H: +, \Delta S: -$ $T$: any $T$,Spontaneity: Non-spontaneous $B$. $\Delta H: +, \Delta S: +$ $T$: low $T$,Spontaneity: Non-spontaneous $C$. $\Delta H: -, \Delta S: -$ $T$: low $T$,Spontaneity: Spontaneous $D$. $\Delta H: -, \Delta S: +$ $T$: any $T$,Spontaneity: Spontaneous
Which of the above conditions are correctly matched?
| Condition | Details |
|---|---|
| $A$. $\Delta H: +, \Delta S: -$ | $T$: any $T$,Spontaneity: Non-spontaneous |
| $B$. $\Delta H: +, \Delta S: +$ | $T$: low $T$,Spontaneity: Non-spontaneous |
| $C$. $\Delta H: -, \Delta S: -$ | $T$: low $T$,Spontaneity: Spontaneous |
| $D$. $\Delta H: -, \Delta S: +$ | $T$: any $T$,Spontaneity: Spontaneous |
Which of the above conditions are correctly matched?
Which of the following reactions is expected to never be spontaneous?
Medium
View SolutionFor the reaction $C_{(graphite)} + CO_{2(g)} \rightarrow 2CO_{(g)}$,$\Delta H = 170 \ kJ$ and $\Delta S = 170 \ J/K$. At what temperature $(K)$ will the reaction become spontaneous?
Medium
View SolutionThe temperature in $K$ at which $\Delta G = 0$, for a given reaction with $\Delta H = -20.5 \ kJ \ mol^{-1}$ and $\Delta S = -50.0 \ J \ K^{-1} \ mol^{-1}$ is:
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