Chemistry (Combined Science) · GCSE · Edexcel · Edexcel GCSE Combined Science (1SC0) — Chemistry — Higher · Specification point · 7.12 · Rates of reaction and energy changes · Heat energy changes in chemical reactions
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| Students should: | Maths skills |
|---|---|
7.12 Recall that the breaking of bonds is endothermic and the making of bonds is exothermic |