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Author Question: Why is the sign of G rather than the sign of Stotal generally used to determine the spontaneity of a ... (Read 70 times)

ishan

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on: Feb 15, 2020

Question 1

At constant pressure and temperature, which statement is true?
◦ All reactions for which ΔS < 0 are spontaneous.
◦ All reactions for which ΔG < 0 are spontaneous.
◦ All reactions for which ΔH < 0 are spontaneous.
◦ All reactions for which K < 1 are spontaneous.

Question 2

Why is the sign of ΔG rather than the sign of ΔStotal generally used to determine the spontaneity of a chemical reaction?
◦ Free energy is easier to understand than entropy.
◦ ΔG involves thermodynamic functions of the system only.
◦ ΔG can be used for processes that occur under any conditions.
◦ Entropy is based on probability and is therefore less reliable.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by ishan on Feb 15, 2020

joneynes

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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ishan

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Reply 2 on: Feb 15, 2020
Thanks for the timely response, appreciate it

komodo7

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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