本题目来源于试卷: What Drives Chemical Reactions D.2 Energy Cycles in Reactions，类别为 IB化学
[问答题]
State Hess’s law.
Suggest why it may be useful to use Hess’s law to determine the heat of formation.
Calculate a value for ΔH$_f^θ$ [$CH_3OH(l)$] using the enthalpies of combustion data from section 13 (Section 14- 2025 Syllabus) of the Data Booklet.
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.
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