The Enthalpy and Entropy of Vaporization of Ethanol Are 38 $\circ$

question 149

Multiple Choice

The enthalpy and entropy of vaporization of ethanol are 38.6 kJ/mol and 109.8 J/mol . K,respectively.What is the normal boiling point of ethanol,in ^$\circ$ C?

• A)352 \(\circ\) C
• B)78.4 \(\circ\) C
• C)2.84 \(\circ\) C
• D)624 \(\circ\) C
• E)Not enough information is given to answer the question.

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Definitions:

Temperature

A measure of the hotness or coldness of a body or environment, indicative of the level of kinetic energy of particles in the object or the air.

Laryngeal Mirror

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Mouth

The opening in the face of a person or animal, used for eating, breathing, and vocalization; part of the digestive system.

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Fine particles of matter often consisting of tiny fragments of fiber, soil, and skin cells, which can accumulate on surfaces or become airborne.