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Consider the hydrogen to carbon ratio of the three fuels: carbon (coal), octane (gasoline), methane (natural...

Consider the hydrogen to carbon ratio of the three fuels: carbon (coal), octane (gasoline), methane (natural gas). This is defined as the number of hydrogen atoms divided by the number of carbon atoms in the fuel molecule. For example methane has a ratio of 4. Graph the carbon intensity (kgCO2 / million Btu) for the three fuels as function of the hydrogen to carbon ratio.

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Answer #1

The carbon-hydrogen ration in coal (Anthracite) is 24-29, taking 27 as the mean value. So, the hydrogen-carbon ratio is 1/27 = 0.037. Carbon intensity: 3.098

H:C ratio for octane (C8H18) is 18/8 = 2.25, carbon intensity 2.886

The ration for methane is 4. Carbon intensity 3.0694

here is the plot

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