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<p>In <a href="page.php?w=chemistry">chemistry</a>, <b>bond energy</b> (BE) is one measure of the strength of a  <a href="page.php?w=chemical_bond">chemical bond</a>. It is sometimes called the <b>mean bond</b>, <b><a href="page.php?w=enthalpy">bond enthalpy</a></b>, <b>average bond enthalpy</b>, or <b>bond strength</b>. IUPAC defines bond energy as the average value of the gas-phase <a href="page.php?w=bond-dissociation_energy">bond-dissociation energy</a> (usually at a temperature of 298.15 K) for all bonds of the same type within the same chemical</p><p>
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