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What Drives Chemical Reactions D.2 Energy Cycles in Reactions (id: 4dca6e902)

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admin 发表于 2024-2-14 21:09:58 | 显示全部楼层 |阅读模式
本题目来源于试卷: What Drives Chemical Reactions D.2 Energy Cycles in Reactions,类别为 IB化学

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Carbon monoxide is produced wjy +aj8qgv*2c g3c 6twhen there is insufficr w96u*k- 8zxt q,cwrcient oxygen in combustion reactions. It reacts with cku*6rw9zcw q-,xt 8r oxygen to produce carbon dioxide according to the following equation: $CO$(g)+$\frac{1}{2}$$O_2$(g)→$CO_2$(g).

1.Define enthalpy change of combustion.

2.Using sections 11 and 13 (Sections 12 and 14- 2025 Syllabus) of the data booklet, calculate the average bond enthalpy for C≡O.

ΔH $_{BE}^{θ}$ (C≡O)=  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: 1076


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