• Calculate the energy released if 1 kg of graphite (one of the solid forms of pure carbon) burns in oxygen gas to give carbon monoxide, in the reaction
2C + O2 → 2CO
Don’t forget that energy is needed to dissociate the carbon atoms from the graphite and the oxygen atoms from the O2 molecules. The binding energy of graphite is 7.4 eV per atom; the dissociation energy of the O2 molecule is 5.1 eV, and that of CO is 11.1 eV.
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