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Author Question: Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: heat of ... (Read 42 times)

allywil32

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Question 1

Find the heat absorbed from the surroundings when 15 g of O2 reacts according to the equation O + O2→ O3, ΔH°rxn= –103 kJ/mol.
◦ 4.6 × 10–3 kJ
◦ 32 kJ
◦ 48 kJ
◦ 96 kJ
◦ 110 kJ

Question 2

Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: heat of combustion of C2H4(g)= –1411 kJ/mol; ΔH°f[CO2(g)] = –393.5 kJ/mol; ΔH°f[H2O(l)] = –285.8 kJ/mol.
◦ 52 kJ/mol
◦ 87 kJ/mol
◦ 731 kJ/mol
◦ 1.41 × 103 kJ/mol
◦ 2.77 × 103 kJ/mol


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Marked as best answer by allywil32 on Nov 5, 2023

dadgoere765

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allywil32

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Reply 2 on: Nov 5, 2023
Gracias!


meganmoser117

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Reply 3 on: Yesterday
Excellent

 

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