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Author Question: Calculate the standard enthalpy of formation of liquid methanol, CH3OH(l), using the following ... (Read 27 times)

booty5

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on: Nov 5, 2023

Question 1

Calculate the standard enthalpy change for the reaction
4A + 2B → 2AB + A2
Given:
2A + B → A2B
ΔH° = – 25.0 kJ/mol
2A2B → 2AB + A2
ΔH° = 35.0 kJ/mol
 

◦ – 95.0 kJ/mol
◦ – 60.0 kJ/mol
◦ – 15.0 kJ/mol
◦ 10.0 kJ/mol
◦ 45.0 kJ/mol

Question 2

Calculate the standard enthalpy of formation of liquid methanol, CH3OH(l), using the following information:
C(graph) + O2→ CO2(g)
ΔH° = –393.5 kJ/mol
H2(g) + (1/2)O2→ H2O(l)
ΔH° = –285.8 kJ/mol
CH3OH(l) + (3/2)O2(g) → CO2(g) + 2H2O(l)
ΔH° = –726.4 kJ/mol
 

◦ –1,691.5 kJ/mol
◦ –238.7 kJ/mol
◦ –47.1 kJ/mol
◦ 47.1 kJ/mol
◦ 1691.5 kJ/mol
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
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Marked as best answer by booty5 on Nov 5, 2023

ekattan2

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Reply #1 on: Nov 5, 2023
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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booty5

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Reply 2 on: Nov 5, 2023
YES! Correct, THANKS for helping me on my review

Liamb2179

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Reply 3 on: Yesterday
Wow, this really help

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