Ethanol (CH₃CH₂OH) Has Been Suggested as an Alternative Fuel Source

question 29

Multiple Choice

Ethanol (CH₃CH₂OH) has been suggested as an alternative fuel source. Ethanol's enthalpy of combustion is H_comb  1,368 kJ/mol, and its density is 0.789 g/mL. What is the fuel value of ethanol (kJ/g) ?

• A)3.75 kJ/g
• B)1,079 kJ/g
• C)1,734 kJ/g
• D)23.4 kJ/g
• E)29.7 kJ/g

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Short-Term

Describes a limited period, often referring to memory or goals that span a brief time from seconds to weeks.

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The phase of the memory process capable of storing an unlimited amount of information over prolonged periods, ranging from days to decades.

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Part of the memory system where sensory information is temporarily stored before being processed.