Bond energies Flashcards

1
Q

Define Bond energies

A

The amount of energy needed to break a mole of a particular covalent bond.

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2
Q

What type of reaction is making bonds?

A

an exothermic reaction, and because making bonds releases energy to the surroundings the reaction is negative.

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3
Q

What type of reaction is breaking bonds?

A

Endothermic reactions, as energy is gained to break the bonds which also means the reaction is positive.

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4
Q

The unit is

A

KJ/mol

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