Bonds forming and breaking

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Chemistry

GCSE Chemistry

WJEC

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6 Terms

1
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Bonds breaking

Molecules react with eachother and covalent bonds that hold molecules together break

2
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Is energy given in or out during bonds breaking?

In - more energy breaking bonds than products formed

3
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Is bonds breaking an endothermic or exothermic reaction?

Endothermic - temperature decreases

4
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Bonds forming

Atoms rearrange into new products by forming new covalent bonds

5
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Is energy given in or out during bonds forming?

Out - more energy given out when bonds of product are formed

6
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Is bonds forming a endothermic or exothermic reaction?

Exothermic - temperature increases