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Author Question: For bromine, Hvap = 30.91 kJ/mol and Svap = 93.23 JK-1mol-1 at 25C. What is the normal boiling point ... (Read 117 times)

maegan_martin

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on: Feb 15, 2020

Question 1

At 25°C, ΔH° = 1.895 kJ and ΔS° = -3.363 J/K for the transition

C(graphite) → C(diamond)

Based on these data,
◦ diamond is more stable than graphite below 290°C and graphite is more stable than diamond above 290°C.
◦ diamond is more stable than graphite at all temperatures at 1 atm.
◦ graphite is more stable than diamond below 290°C and diamond is more stable than graphite above 290°C.
◦ graphite cannot be converted to diamond at 1 atm pressure.

Question 2

For bromine, ΔH°vap = 30.91 kJ/mol and ΔS°vap = 93.23 JK-1mol-1 at 25°C. What is the normal boiling point for bromine?
◦ 58°C
◦ 25°C
◦ 332°C
◦ 124°C
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by maegan_martin on Feb 15, 2020

zhanghao

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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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maegan_martin

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Reply 2 on: Feb 15, 2020
YES! Correct, THANKS for helping me on my review

FergA

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Reply 3 on: Yesterday
Excellent

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