5.1 exothermic and endothermic reactions

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6 Terms

1
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What is an exothermic reaction?

It transfers thermal energy to the surroundings leading to an increase in the temperature of the surroundings

2
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What is an endothermic reaction

It takes in thermal energy from the surroundings leading to a decrease in the temperature of the surroundings

3
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What is enthalpy change?

The transfer of thermal energy during a reaction. It’s negative for exo and positive for endo

4
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What is activation energy

The minimum energy that colliding particles must have to react

5
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What type of process is bond breaking

Endothermic

6
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What type of process is bond formation

Exothermic