State hydrogenation reactions are used to add hydrogen

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1) Hydrogenation reactions are used to add hydrogen across double bonds in hydrocarbons and other organic compounds.
Use average bond energies to calculate DELTA Hrxn for the following hydrogenation reaction:

H2C==CH2(g) + H2(g)-->H3C--CH3(g)

2)Use standard enthalpies of formation to calculate DELTA Hrxn for the following reaction. CH4(g)+2O(g)--->CO2(g)+2H2O(g)

Reference no: EM13205577

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