Gce Model Questions Vol1 2023 Chemistry Question 23
Practice objective / multiple choice question 23 from the 2023 Gce Model Questions Vol1 Chemistry examination.
Using the average bond enthalpies given below, calculate the standard enthalpy change (\( \Delta H^\circ \)) for the complete combustion of propane (\( \mathrm{C_3H_8} \)) in oxygen: \( \mathrm{C_3H_8 + 5\ O_2 \rightarrow 3\ CO_2 + 4\ H_2O} \). Bond enthalpies (kJ mol⁻¹): C-C 347, C-H 413, O=O 498, C=O (in CO₂) 799, O-H 463.
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This is Gce Model Questions Vol1 2023 Chemistry Question 23. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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