Bond Energies.

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What happens in endothermic reactions?
Bonds break.
1 of 5
What happens in exothermic reactions?
Bonds form.
2 of 5
Equation for overall energy charge?
Energy required to break bonds - energy released by forming bonds.
3 of 5
What does a positive energy change mean?
Endothermic reaction.
4 of 5
What does a negative energy change mean?
Exothermic reaction.
5 of 5

Other cards in this set

Card 2

Front

What happens in exothermic reactions?

Back

Bonds form.

Card 3

Front

Equation for overall energy charge?

Back

Preview of the front of card 3

Card 4

Front

What does a positive energy change mean?

Back

Preview of the front of card 4

Card 5

Front

What does a negative energy change mean?

Back

Preview of the front of card 5

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