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IB Chemistry > 5.3 Bond enthalpies > Flashcards

5.3 Bond enthalpies Flashcards

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1
Q

What are bond enthalpies?

A

A measure of strength of a covalent bond. The higher the bond enthalpy the stronger the bond

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2
Q

Limitations of calculating ΔH from bond enthalpies

A
  • Can only be used in reactants and products are in gaseous state
  • ΔH obtained from bond enthalpies will not necessarily be very accurate
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3
Q

Formula for calculating ΔH via bond enthalpies

A

Bond enthalpies for bonds broken - bond enthalpies for bonds formed

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IB Chemistry (12 decks)

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