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A-Level OCR A Chemistry - 3B Enthalpy changes > Bond enthalpies > Flashcards

Bond enthalpies Flashcards

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1
Q

What is ‘average bond enthalpy”

A

The average enthalpy change that takes place when breaking by homolytic fission 1 mol of a given type of bond in the molecules of a gaseous species.

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2
Q

What is bond breaking?

A

Endothermic

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3
Q

Why is bond breaking endothermic?

A

It requires energy

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4
Q

What is bond forming?

A

Exothermic

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5
Q

Why is bond breaking exothermic?

A

It releases energy

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A-Level OCR A Chemistry - 3B Enthalpy changes (5 decks)

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