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Author Question: Imagine a reaction that results in a change in both volume and temperature, as shown in the diagram ... (Read 56 times)

charchew

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on: Feb 15, 2020

Question 1

The enthalpy of fusion of naphthalene, C10H8, is 19.1 kJ/mol at 78.2°C, its melting point. Calculate the entropy of fusion at the melting point.
◦ ΔS°fus = 54.4 J/(K ∙ mol)
◦ ΔS°fus = -1.49 J/(K ∙ mol)
◦ ΔS°fus = 244 J/(K ∙ mol)
◦ ΔS°fus = 1.49 J/(K ∙ mol)

Question 2

Imagine a reaction that results in a change in both volume and temperature, as shown in the diagram below. What is the sign of the work being done and the sign of the enthalpy change involved in this reaction?


◦ w = + and ΔH = +
◦ w = + and ΔH = -
◦ w = - and ΔH = +
◦ w = - and ΔH = -
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by charchew on Feb 15, 2020

cascooper22

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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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charchew

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Reply 2 on: Feb 15, 2020
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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