ZIMSEC O-Level Chemistry
7.1.9Chemical energetics
Chemical energetics in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic60 practice questions3 lessons
In this topic
Lessons
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Exothermic and endothermic reactions
25 min
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Reaction pathway (energy profile) diagrams
30 min
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Measuring enthalpy changes
40 min
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Sample question
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