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Table 7.1: In photosynthesis, green plants convert carbon dioxide and water into glucose (C6H12O6) according to the following equation:
6CO2(g)+6H2O(l) → C6H12O6(aq)+6O2(g)
Estimate ΔH for the reaction using bond dissociation energies from Table 7.1. Give your answer in kcal. C6H12O6 has five C−C bonds, seven C−H bonds, seven C−O bonds, and five O−H bonds.

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meerkat18
Glucose C_6 〖CH〗_12 O_6contain 7 CH bond. 5 OH, 5 C-O bond on C-O and 5C=C bonds. ∑▒〖∆ H_6 〗(glucose) = (7 * ∆H (C-H) + (5 * ∆ 1-1 (O-H))) + 5 * ∆H (C-O)) + ∆H (C=O)+(5*∆H(C=C))  = 9482 KJ mol-L =
2264.73 Kcal/mol

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