atom, find the energy released when 1 kg of graphite burns in O, gas to form CO,. Compare your answer with the result in Example 12.2. have tion i way; that 12.7 • Calculate the energy released if 1 kg of graphite (one of the solid forms of pure carbon) burns in oxy- gen gas to give carbon monoxide, in the reaction rium also answ 2C + 0,→ 2CO disso ble k Don't forget that energy is needed to dissociate the carbon atoms from the graphite and the oxygen atoms from the O, molecules. The binding energy of graphite is 7.4 eV per atom; the dissociation energy of the O, molecule is 5.1 eV, and that of CO is 11.1 eV. ond 12.8 • (a) The energy needed to dissociate the H,O mole- cule into three separate atoms is 9.50 eV. Given that the dissociation energies of H2 and O2 are 4.48 and

atom, find the energy released when 1 kg of graphite burns in O, gas to form CO,. Compare your answer with the result in Example 12.2. have tion i way; that 12.7 • Calculate the energy released if 1 kg of graphite (one of the solid forms of pure carbon) burns in oxy- gen gas to give carbon monoxide, in the reaction rium also answ 2C + 0,→ 2CO disso ble k Don't forget that energy is needed to dissociate the carbon atoms from the graphite and the oxygen atoms from the O, molecules. The binding energy of graphite is 7.4 eV per atom; the dissociation energy of the O, molecule is 5.1 eV, and that of CO is 11.1 eV. ond 12.8 • (a) The energy needed to dissociate the H,O mole- cule into three separate atoms is 9.50 eV. Given that the dissociation energies of H2 and O2 are 4.48 and