ORGANIC CHEMISTRY Chapter 4 4.10B Heats of Combustion of Cycloalkanes (CH2)n+号nO n co +n Hoo+ heat Cycloalkanes △H CH2 Ring strain Cyclopropane 697.0 115 Cyclobutane 686.0 109 Cyclopentane n34567 664.0 27 Cyclohexane 658.7 Cycloheptane 6624 27 Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 4 4.10B Heats of Combustion of Cycloalkanes (CH2)n + 32 nO2 n CO2 + n H2O + heat Cycloheptane 7 662.4 27 Cyclohexane 6 658.7 0 Cyclopentane 5 664.0 27 Cyclobutane 4 686.0 109 Cyclopropane 3 697.0 115 H Ring Strain CH2 Cycloalkanes n