It looks like you included a prompt about calculating change in enthalpy using bond energies but did not provide the specific reaction or the corresponding bond energies from the table.
To calculate the change in enthalpy for a reaction using bond energies, you would generally follow these steps:
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Identify the bonds broken and formed: Look at the reactants and products of the reaction and identify all the bonds that are broken in the reactants and all the bonds that are formed in the products.
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Use the bond energy values: Look up the bond energies for the specific bonds that have been broken and formed and note these values from your table.
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Calculate the total bond energy for bonds broken: Sum the bond energies of all the bonds that are broken in the reaction (these require energy input).
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Calculate the total bond energy for bonds formed: Sum the bond energies of all the bonds that are formed in the products (these release energy).
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Calculate the change in enthalpy (\( \Delta H \)): Use the formula: \[ \Delta H = \text{(total bond energy of bonds broken)} - \text{(total bond energy of bonds formed)} \]
If you provide the specific reaction and the table of bond energies, I can help you with the calculation more specifically!