Asked by mel
how do I find the ÄH for C2H4 + O3 --> CH3CHO + O2?
Answers
Answered by
DrBob222
If you want it at 25<sup>o</sup> look up delta H<sub>f</sub> for CH3CHO, O2, O3, and C2H4. Then
delta H<sub>reaction</sub> = (delta H<sub>products</sub> - delta H<sub>reactants</sub>).
delta H<sub>f</sub> for O2 will be zero
delta H<sub>reaction</sub> = (delta H<sub>products</sub> - delta H<sub>reactants</sub>).
delta H<sub>f</sub> for O2 will be zero
Answered by
mel
where would i look up the delta Hf for CH3CHO, O2, O3, and C2H4? online?
Answered by
DrBob222
Be sure and read the prefix for the tables because they list different parts of the table in different units.
http://en.wikipedia.org/wiki/Standard_enthalpy_change_of_formation_(data_table)
http://en.wikipedia.org/wiki/Standard_enthalpy_change_of_formation_(data_table)
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