[填空题]
Hydrocarbons are commonly ua pzddv0: ,c:(u p4aqb*s;( b 8rujwqg40 aooesed as fuels.
1.1.Define average bond enthalpy.
1.2.Write a balanced chemical equation for the complete combustion of propene ($CH_4CHCH_2$).
2.Using section 11 (Section 12- 2025 Syllabus) of the data booklet, calculate the enthalpy of combustion for propene.
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.
