Chemistry (Combined Science) · GCSE · Edexcel · Edexcel GCSE Combined Science (1SC0) — Chemistry — Foundation · Specification point · 7.13 · Rates of reaction and energy changes · Heat energy changes in chemical reactions
Read Notes
Read clear notes for this topic.
Practice Questions
Coming soon
Exam Questions
Coming soon
Flashcards
Flip through flashcards to lock it in.
Lesson
Coming soon
Ask Sage
Get help from Sage on this topic.
| Students should: | Maths skills |
|---|---|
7.13 Recall that the overall heat energy change for a reaction is: a exothermic if more heat energy is released in forming bonds in the products than is required in breaking bonds in the reactants b endothermic if less heat energy is released in forming bonds in the products than is required in breaking bonds in the reactants |