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

question 84

Multiple Choice

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

• A) 3.75 kJ/mL
• B) 12.8 kJ/mL
• C) 1.28 kJ/mL
• D) 23.4 kJ/mL
• E) 37.5 kJ/mL

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Definitions:

Indifference Curves

Graphical representations in microeconomics to illustrate different combinations of two goods that provide a consumer with the same level of satisfaction or utility.

Equation

A mathematical statement that asserts the equality of two expressions, typically used in modeling economic relationships.

Indifference Curve

A graph representing combinations of various goods or bundles of goods giving the consumer equal satisfaction and utility, thus making the consumer indifferent.

Weighted

Weighted refers to giving different elements in a data set or equation varying levels of importance or influence, often according to their relevance or significance.