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Author Question: Consider the conversion of white tin to gray tin:Sn(white) Sn(gray)H = -2.09 kJS = -7.41 J/KBased ... (Read 226 times)

skymedlock

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on: Feb 15, 2020

Question 1

If a reaction with a negative value of ΔS is nonspontaneous at constant temperature and pressure,
◦ ΔG is negative and ΔH is positive.
◦ ΔG is positive and ΔH may be positive or negative.
◦ ΔG is negative and ΔH may be positive or negative.
◦ ΔG is positive and ΔH is positive.

Question 2

Consider the conversion of white tin to gray tin:

Sn(white) → Sn(gray)ΔH° = -2.09 kJΔS° = -7.41 J/K

Based on these data,
◦ gray tin is stable below 15°C and white tin is stable above 15°C.
◦ white tin is stable below 15°C and gray tin is stable above 15°C.
◦ gray tin is stable below 9°C and white tin is stable above 9°C.
◦ white tin is stable below 9°C and gray tin is stable above 9°C.
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by skymedlock on Feb 15, 2020

Chou

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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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skymedlock

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Reply 2 on: Feb 15, 2020
Excellent

Jossy

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Reply 3 on: Yesterday
Gracias!

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