Which of the Following Fuels Has the Lowest Fuel Value

question 71

Multiple Choice

Which of the following fuels has the lowest fuel value (kJ/g) ?

• A) natural gas, CH₄(g); 16.0 g/mol,  H_comb = -801 kJ/mol
• B) ethanol, CH₃CH₂OH( ); 46.1 g/mol,  H_comb = -1,368 kJ/mol
• C) heating oil, C₁₆H₃₄( ), 226 g/mol,  H_comb = -10,800 kJ/mol
• D) coal, C₁₃₅H₉₆O₉NS(s), 1906 g/mol, DH_comb = - 44,000 kJ/mol
• E) wood, C₆H₁₂O₆(s), 180 g/mol,  H_comb = -2,540 kJ/mol

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A lever operated with the foot in a vehicle, used for controlling its functions such as acceleration, braking, or clutch engagement.

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The rotation of the forearm or foot so that the palm or sole is turned upwards or forwards.

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The rotational movement of the forearm or foot that turns the palm of the hand or sole of the foot downwards or inward.

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Manner of walking.