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It depends on the bond. A carbon-carbon single bond requires on average 356 kilojoules per mole. A carbon-carbon double bond requires 598 kj/mol. A carbon-hydrogen bond requires 416 kj/mol.

These numbers can be found in most general chemistry textbooks.

Here is one set of tables.

http://www.wiredchemist.com/chemistry/data/bond_energies_lengths.html

Different tables have slightly different values.

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15y ago
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12y ago

Dna is a complex chemical structure.breaking one bond may result in the colapse of the whole thing as pulling out the lower card from a card castle.still the bond energy can be of order of 10^18kj/mol.

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14y ago

that amount of energy is called ionization energy.

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6y ago

This is a characteristic for each type of bond.

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13y ago

electron affinity

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12y ago

Bond energy.

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Q: What is the energy required to break one bond of DNA?
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