What Drives Chemical Reactions D.2 Energy Cycles in Reactions (id: 5714f0813)

本题目来源于试卷: What Drives Chemical Reactions D.2 Energy Cycles in Reactions，类别为 IB化学

[填空题]
Hydrocarbons are commonly l8iqiyr20h (q3w-y jr used as) quwx ;u0i1j+wgp h;r fuels.
1.1Define average bond enthalpy.
1.2Write a balanced chemical equation for the complete combustion of propene ($CH_3CHCH_2)$

2.Using section 11 (Section 12- 2025 Syllabus) of the data booklet, calculate the enthalpy of combustion for propene.
ΣΔH$_{BE}^θ$(bonds broken)=  kJ mol$^{-1}$ ;ΣΔH$_{BE}^θ$(bonds formed)=  kJ mol$^{-1}$;ΔH=-  kJ mol$^{-1}$
Important note: The section numbers mentioned in the video solution are specific to the 2024 syllabus.
You can refer to the question stem to find the section numbers for the 2025 syllabus.

参考答案:
空格1: 5685±3%  空格2: 7602±3%  空格3: 1917±3% 


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