Problem: An important reaction for the conversion of natural gas to other useful hydrocarbons is the conversion of methane to ethane: 2 CH4(g) → C2H6(g) + H2(g)In practice, this reaction is carried out in the presence of oxygen, which converts the hydrogen produced to water: 2 CH4(g) + O2(g) → C2H6(g) + H2O(g)Use bond enthalpies to estimate ΔH for the first reaction.

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An important reaction for the conversion of natural gas to other useful hydrocarbons is the conversion of methane to ethane: 2 CH4(g) → C2H6(g) + H2(g)

In practice, this reaction is carried out in the presence of oxygen, which converts the hydrogen produced to water: 2 CH4(g) + O2(g) → C2H6(g) + H2O(g)

Use bond enthalpies to estimate ΔH for the first reaction.

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