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Author Question: An ideal gas is expanded at constant temperature. What are the signs (+, -, or 0) of H, S, and G for ... (Read 82 times)

jwb375

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on: Feb 15, 2020

Question 1

The figure represents the spontaneous evaporation of nitrogen in which liquid nitrogen, N2(l), becomes gaseous nitrogen, N2(g): N2(l) → N2(g). What are the signs (+ or -) of ΔH, ΔS, and ΔG for this process?



◦ ΔH = +, ΔS = +, ΔG = +
◦ ΔH = -, ΔS = -, ΔG = +
◦ ΔH = -, ΔS = -, ΔG = -
◦ ΔH = +, ΔS = +, ΔG = -

Question 2

An ideal gas is expanded at constant temperature. What are the signs (+, -, or 0) of ΔH, ΔS, and ΔG for this system?



◦ ΔH = 0, ΔS = +, ΔG = -
◦ ΔH = -, ΔS = +, ΔG = -
◦ ΔH = 0, ΔS = -, ΔG = +
◦ ΔH = +, ΔS = -, ΔG = +
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by jwb375 on Feb 15, 2020

milbourne11

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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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jwb375

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Reply 2 on: Feb 15, 2020
Gracias!

peter

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Reply 3 on: Yesterday
Wow, this really help

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