The Following Diagram Shows a Close-Up View of the Vapor

question 93

Multiple Choice

The following diagram shows a close-up view of the vapor pressure curves for a pure solvent and a solution containing a nonvolatile solute dissolved in this solvent.
-Which curve is the solvent and what happens to the boiling point when the solute is dissolved in the solvent?

• A)Curve (a)is the solvent and the boiling point decreases.
• B)Curve (a)is the solvent and the boiling point increases.
• C)Curve (b)is the solvent and the boiling point decreases.
• D)Curve (b)is the solvent and the boiling point increases.

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Definitions:

Triacylglycerol

The main storage lipid of organisms, consisting of a glycerol combined chemically with three fatty acids; also called triglyceride. Compare with monoacylglycerol and diacylglycerol.

Nucleic Acid

Nucleic acids are biopolymers, or large biomolecules, essential for all known forms of life, including DNA and RNA, which carry genetic information.

Alpha-Helical Structure

A common motif in the secondary structure of proteins, characterized by a right-handed coil that provides structural support.

Hydrogen Bonds

Weak bonds formed between a hydrogen atom covalently bonded to one electronegative atom and another electronegative atom, playing a critical role in the structure of water and biological molecules.