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Author Question: Using the following equation for the combustion of octane, calculate the heat of reaction for 100.0 ... (Read 123 times)

jessicacav

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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


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Marked as best answer by jessicacav on Nov 18, 2019

nekcihc358

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jessicacav

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Reply 2 on: Nov 18, 2019
Great answer, keep it coming :)


amynguyen1221

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Reply 3 on: Yesterday
:D TYSM

 

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