Question
What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2
H20(g)2H2(g) + O2(g) and the relevant bond energies are: HH = 436 kJ/mol; H- O
467 kJ/mol; O - O
146 kJ/mol; O
O =
498 kJ/mol.
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Transcribed Image Text

What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2 H20(g)2H2(g) + O2(g) and the relevant bond energies are: HH = 436 kJ/mol; H- O 467 kJ/mol; O - O 146 kJ/mol; O O = 498 kJ/mol.

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