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

question 85

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 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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Definitions:

Psychoanalytic Principles

Foundational concepts in psychoanalytic theory involving the influence of unconscious processes, childhood experiences, and defense mechanisms on behavior and thinking.

Zeitgeist Principles

The dominant set of ideals and beliefs that motivate the behavior of a society or group at a particular time.

Mechanical Energy

The sum of potential and kinetic energy associated with the motion and position of an object.

Thermal Energy

The internal energy present in a system due to its temperature, primarily resulting from the kinetic energy of its particles.