• (a) The energy needed to dissociate the H2O molecule into three separate atoms is 9.50 eV. Given that the dissociation energies of H2 and O2 are 4.48 and 5.12 eV, calculate the energy released in the reaction
2H2 + O2 → 2H2O
(b) The airship Hindenburg was held up by about 200 million liters of hydrogen gas. Assuming that this was STP, estimate the energy released when the Hindenburg exploded. Give your answer in “tons of TNT.” (One ton of TNT is 4.3 × 109 J, the energy, released by 1 ton of the explosive TNT.)
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