1582042
Beschreibung
Mindmap von doobsdoobs, aktualisiert more than 1 year ago
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Erstellt von doobsdoobs
vor etwa 10 Jahre
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Exo and Endothermic reactions
- Endothermic reactions
- they intake energy from their surroundings
- In an endothermic reaction the temperature of the substance decreases
- They can be useful in technology such as cold packs or ice packs used when you receive an injury
- In an endothermic reaction the temperature of the substance decreases
- e.g. electrolysis
- e.g. the reaction between ethanoic acid and sodium carbonate
- the thermal decomposition of calcium carbonate
- Activation energy is needed in both exo and endothermic reactions. Activatio energy is the amount
of energy/succesful collisions needed to start a reaction
- Catalysts help decrease activation energy in industry so more succesfull reactions can happen quicker
- Catalysts help decrease activation energy in industry so more succesfull reactions can happen quicker
- they intake energy from their surroundings
- Exothermic reactions
- they release energy to their surroundings
- In an exothermic reaction the temperature of the substance increases
- that is because the energy that is being transferred is heat
- that is because the energy that is being transferred is heat
- e.g. burning
- e.g. neutralisation reactions between acids and alkalis
- e.g the reaction between water and calcium oxide
- They can be useful in technology such as hand warmers and self heating cans
- Activation energy is needed in both exo and endothermic reactions. Activatio energy is the amount of energy/succesfull collisions needed to start a reaction
- Catalysts help decrease
activation energy in
industry so more
succesfull reactions can
happen quicker
- they release energy to their surroundings
Medienanhänge
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