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When a bond is broken, bond energy is required. If energy is required and a bond is being broken, what sign (+ or -) would you use to represent that energy change?
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1 vote
When a bond is broken, bond

energy is required. If energy is
required and a bond is being
broken, what sign (+ or -) would
you use to represent that energy change?

User KABoissonneault
by
8.4k points

1 Answer

2 votes

Answer:

Bond enthalpy is always positive because energy is required to break chemical bonds. Energy is released when a bond forms between gaseous fragments.

User Krlbsk
by
8.6k points
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