Chemistry revision
- Created by: Ruby Graham
- Created on: 23-11-17 13:25
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- chemisty
- Exothermic
- releases heat energy to the surroundings
- surroundings gain energy
- System loses energy
- Temperature increases
- Endothermic
- absorbs thermal energy from the surroundings into the system
- system gains energy
- surrounding loose energy
- temperature decreases
- sublimation
- straight from a solid to a liquid
- catalysts
- a substance which speeds up a chemical reaction
- it is not used in the reaction
- lowers the activation energy
- Exothermic
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