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热化学方程式　·　历年高考化学真题与解析

本页汇总 高考真题检索 的「热化学方程式」高考化学真题共 1 道，覆盖 2015 年，最常出题型为 单选题；含完整答案与解析。

1questions
Past questions included
2015
Years covered
区分题为主
Overall difficulty
Single-choice
Most common question type
Practice This Topic Do 5 reliable past questions first, then see the answers and explanations after you submit
常见易错点反应条件漏写
Core competencies应用

Past Question List

2015 Zhejiang Gaokao Single choice Differentiating Question 12 2015_浙江卷 (化学)

12．已知1 mol CH 4 气体完全燃烧生成气态CO 2 和液态H 2O，放出890.3 kJ热量，则表示该反应的热化学方
程式正确的是

A. CH4(g)＋2O2(g)＝CO2(g)＋2H2O(g) △H＝＋890.3 kJ·mol -1
B. CH4(g)＋2O2(g)＝CO2(g)＋2H2O(l) △H＝－890.3 kJ·mol -1
C. CH4(g)＋2O2(g)＝CO2(g)＋2H2O(l) △H＝＋890.3 kJ·mol -1
D. CH4(g)＋2O2(g)＝CO2(g)＋2H2O(g) △H＝－890.3 kJ·mol -1
来自：2015_浙江卷 (化学) → 查看完整解析 →

相关考点

焓变与吸放热反应 5 道

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