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Author Question: The heat of combustion of benzene, C6H6, is 41.74 kJ/g. Combustion of 3.21 g of benzene causes a ... (Read 644 times)

bb

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on: Mar 21, 2021

Question 1

The heat combustion of acetylene, C2H2(g), at 25°C is –1299 kJ/mol. At this temperature, ΔHf° values for CO2(g) and H2O(l) are –393 and –286 kJ/mol, respectively. Calculate ΔHf° for acetylene.

◦ 2376 kJ/mol
◦ 625 kJ/mol
◦ 227 kJ/mol
◦ –625 kJ/mol
◦ –227 kJ/mol

Question 2

The heat of combustion of benzene, C6H6, is –41.74 kJ/g. Combustion of 3.21 g of benzene causes a temperature rise of 3.95°C in a certain bomb calorimeter. What is the heat capacity of this bomb calorimeter?

◦ 529 kJ/°C
◦ 33.9 kJ/°C
◦ 0.304 kJ/°C
◦ 5.65 kJ/°C
◦ 134 kJ/°C
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by bb on Mar 21, 2021

al

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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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Team 6 Trishanakru

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Reply #2 on: Dec 13, 2021
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