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Author Question: Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 ... (Read 133 times)

jessicacav

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on: Nov 18, 2019

Question 1

Which of the following processes is endothermic?
◦ an atom emits a photon
◦ the electron affinity of a fluorine atom
◦ the condensation of water
◦ an atom absorbs a photon
◦ None of the above processes is endothermic.

Question 2

Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 g of octane. The molar mass of octane is 114.33 g mol-1.

2C8H18 + 25O2 → 16CO2 + 18H2ODrH° = -11018 kJ

◦ 4.82 kJ
◦ 1.26 × 104 kJ
◦ 4.82 × 103 kJ
◦ 9.64 × 103 kJ
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
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Marked as best answer by jessicacav on Nov 18, 2019

nekcihc358

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Reply #1 on: Nov 18, 2019
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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jessicacav

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Reply 2 on: Nov 18, 2019
:D TYSM

scottmt

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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