The figure below shows an energy versus temperature plot for the freezing of ace

Question

The figure below shows an energy versus temperature plot for the freezing of acetic acid. Indicate on the graph the following: The point where the reaction has reached equilibrium. The region in which the process is spontaneous. The region in which the process is nonspontaneous. Click on the figure, and numbered spots will appear. Place the spots onto the appropriate position (or anywhere that represents the concept), answering 1-3. Tip: You can reset this "hot spot" tool at any time by clicking the red "revert" arrows at the bottom of the figure.

Explanation / Answer

delG= delH-TdelS

the temperature at which delG= 0 that is delH= TdelS refer to equilibrium and in this case it is at 60 deg.c

TdelS is more below 60 deg.c and hence delG<0 (since delH<TdelS) and delG -ve indicates spontanity of the process

above 60 deg.c, delG >0 and the process is not spontaneous

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