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Author Question: The following reaction takes place at 120C: H2O(l) H2O(g) H = 44.0 kJ/mol S = 0.119 kJ/mol ... (Read 214 times)

anshika

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on: Mar 21, 2021

Question 1

The following reaction has a ΔG° value of 25.63 kJ/mol at 25°C.
    HB(aq) + H2O(l) H3O+(aq) + B–(aq)
Calculate the Ka for the acid HB.

◦ 0.990
◦ –10.3
◦ 3.22 × 10–5
◦ 2.56 × 10–5
◦ –123

Question 2

The following reaction takes place at 120°C: H2O(l) → H2O(g)     ΔH = 44.0 kJ/mol     ΔS = 0.119 kJ/mol K

Which of the following must be true?


◦ The reaction is not spontaneous.
◦ The reaction is spontaneous.
◦ ΔG = 0
◦ ΔG< 0
◦ Two of these are true.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by anshika on Mar 21, 2021

lkoler

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Reply #1 on: Mar 21, 2021
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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Elijah Guillory

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Reply #2 on: Apr 11, 2022
Thank you


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