3.1.4.4 Bond Enthalpies Flashcards

1
Q

What is bond enthalpy?

A

The energy needed to break one mole of covalent bonds between atoms for a specific molecule into gaseous single atoms

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2
Q

What is mean bond energy?

A

The energy needed to break one mole of covalent bonds into single gaseous atoms averaged over a range of different molecules(environments?)

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3
Q

How to determine the enthalpy change of a reaction?

A

deltaH = sum of bonds broken - sum of bonds formed

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4
Q

What is bond formation?

A

Exothermic

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5
Q

What is bond breaking?

A

Endothermic

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