Problem: Three common hydrocarbons that contain four carbons are listed here, along with their standard enthalpies of formation:HydrocarbonFormulaHf(kJ/mol)1,3-ButadieneC4 H6 (g)111.91-ButeneC4 H8 (g)1.2n-ButaneC4 H10 (g)-124.7Propose a relationship between hydrogen content and fuel value in hydrocarbons.

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We are asked to propose a relationship between hydrogen content and fuel value in hydrocarbons.


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Three common hydrocarbons that contain four carbons are listed here, along with their standard enthalpies of formation:
HydrocarbonFormulaHf(kJ/mol)
1,3-ButadieneC4 H6 (g)111.9
1-ButeneC4 H8 (g)1.2
n-ButaneC4 H10 (g)-124.7

Propose a relationship between hydrogen content and fuel value in hydrocarbons.

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