Heat of reaction 5. Consider the reaction of combustion of methane: CH4(g) + 2 O2(g) ->> CO2(g)+ 2 H₂O (1) ΔΗ = 891 kJ mol CH4 (a) How much heat (in kJ) is released during the combustion of 0.35 mol methane? (b) How much heat is released during the combustion of 7.50 g of methane? (Mm = 16.0 g/ mol) (c) How much heat is released when 2.50 mol of O₂ reacts completely with methane?

World of Chemistry
7th Edition
ISBN:9780618562763
Author:Steven S. Zumdahl
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Chapter10: Energy
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Problem 61A
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Heat of reaction
5. Consider the reaction of combustion of methane:
CH4(g) + 2 O2(g)
->> CO2(g)+ 2 H₂O (1)
ΔΗ = 891
kJ
mol CH4
(a) How much heat (in kJ) is released during the combustion of 0.35 mol methane?
(b) How much heat is released during the combustion of 7.50 g of methane? (Mm = 16.0 g/
mol)
(c) How much heat is released when 2.50 mol of O₂ reacts completely with methane?
Transcribed Image Text:Heat of reaction 5. Consider the reaction of combustion of methane: CH4(g) + 2 O2(g) ->> CO2(g)+ 2 H₂O (1) ΔΗ = 891 kJ mol CH4 (a) How much heat (in kJ) is released during the combustion of 0.35 mol methane? (b) How much heat is released during the combustion of 7.50 g of methane? (Mm = 16.0 g/ mol) (c) How much heat is released when 2.50 mol of O₂ reacts completely with methane?
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