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Solved: For the reaction (a) Predict the enthalpy of
Chapter 9, Problem 72P(choose chapter or problem)
For the reaction
\(2 \mathrm{C}_{2} \mathrm{H}_{6}(g)+7 \mathrm{O}_{2}(g) \longrightarrow 4 \mathrm{CO}_{2}(g)+6 \mathrm{H}_{2} \mathrm{O}(g)\)
(a) Predict the enthalpy of reaction from the average bond enthalpies in Table 9.4.
(b) Calculate the enthalpy of reaction from the standard enthalpies of formation (see Appendix 3) of the reactant and product molecules, and compare the result with your answer for part (a).
Questions & Answers
QUESTION:
For the reaction
\(2 \mathrm{C}_{2} \mathrm{H}_{6}(g)+7 \mathrm{O}_{2}(g) \longrightarrow 4 \mathrm{CO}_{2}(g)+6 \mathrm{H}_{2} \mathrm{O}(g)\)
(a) Predict the enthalpy of reaction from the average bond enthalpies in Table 9.4.
(b) Calculate the enthalpy of reaction from the standard enthalpies of formation (see Appendix 3) of the reactant and product molecules, and compare the result with your answer for part (a).
ANSWER:
Step 1 of 4
The combustion reaction of ethane is as follows:
