Exothermic and Endothermic reactions
- Created by: Giancarlosalton
- Created on: 28-04-18 13:06
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- Exothermic and endothermic reactions
- when chemical reactions occur, energy is transferred to or from the surroundings.
- Exothermic Reactions
- accompanied by a temperature rise
- They transfer heat energy from the chemicals to the surroundings
- These make them useful for items such as hand warmers and self heating cans
- accompanied by a temperature rise
- These make them useful for items such as hand warmers and self heating cans
- Endothermic reactions
- Are accompanied by a fall in temperature
- Heat energy (thermal) is transported from the surroundings to the chemicals.
- This makes them useful for sports injury ice packs.
- Are accompanied by a fall in temperature
- This makes them useful for sports injury ice packs.
- If a reaction is endothermic in one way it must be exothermic in the other providing it is reversible.
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