Consider the following reaction. H2C=CH2(g) + F2(g) ? CH2FCH2F(g) ?H = -549 kJ Estimate the carbon-fluorine bond energy given that the C–C bond energy is 347 kJ/mol, the C=C bond energy is 614 kJ/mol, and the F–F bond energy is 154 kJ/mol. kJ/mol
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The energy required to break a bond is equal to the bond energy, so we need 614 kJ/mol to break the C=C bond and 154 kJ/mol to break the F-F bond. The energy released when a bond is formed is also equal to the bond energy. So, if we let X be the C-F bond Show more…
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Consider the following reaction: Estimate the carbon-fluorine bond energy given that the $\mathrm{C}-\mathrm{C}$ bond energy is $347 \mathrm{kJ} / \mathrm{mol},$ the $\mathrm{C}=\mathrm{C}$ bond energy is $614 \mathrm{kJ} / \mathrm{mol},$ and the $\mathrm{F}-\mathrm{F}$ bond energy is 154 $\mathrm{kJ} / \mathrm{mol}$ .
Federico C.
Given the bond-dissociation energies: nitrogen-tooxygen bond in $\mathrm{NO}, 631 \mathrm{kJ} / \mathrm{mol} ; \mathrm{H}-\mathrm{H}$ in $\mathrm{H}_{2}$, $436 \mathrm{kJ} / \mathrm{mol} ; \mathrm{N}-\mathrm{H}$ in $\mathrm{NH}_{3}, 389 \mathrm{kJ} / \mathrm{mol} ; \mathrm{O}-\mathrm{H}$ in $\mathrm{H}_{2} \mathrm{O}, 463 \mathrm{kJ} / \mathrm{mol} ;$ calculate $\Delta H$ for the reaction.
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