chemistry

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Calculate the heat of formation of water from its constituent elements from the following information:

3 H2 (g) + O3 (g) ¨ 3H2O ∆H = ?
2 H2 (g) + O2 (g) ¨ 2H2O ∆H = - 483.6
3 O2 (g) ¨ 2O3 (g) ∆H = 284.5
a. -480 kJ/mol b. 480 kJ/mol c. -867 kJ/mol d. 867 kJ/mol

  • chemistry -

    I partially answered this about an hour ago. The question makes no sense. There is a delta H by the equation for the formation of water from its constituent parts. The equation with the question marks is not th formation of water form its constituent parts.

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