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A solution in which water is the solvent is called a(n) _______________ solution.
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2. Cell Chemistry & Cell Components
Properties of Water- The Universal Solvent
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Hydrophobic molecules:
A
Are polar covalent molecules.
B
Easily dissolve in water.
C
Are nonpolar water 'fearing' molecules.
D
Are nonpolar water 'loving' molecules.
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Understand the term 'hydrophobic': In anatomy and physiology, hydrophobic refers to molecules that repel water. The prefix 'hydro-' means water, and '-phobic' means fearing, so hydrophobic molecules are water-fearing.
Identify the nature of hydrophobic molecules: Hydrophobic molecules are typically nonpolar. This means they do not have a charge distribution that attracts water molecules, which are polar.
Contrast hydrophobic with hydrophilic: Hydrophilic molecules are water-loving and are usually polar, allowing them to dissolve easily in water. Hydrophobic molecules do not dissolve in water due to their nonpolar nature.
Evaluate the options given: The correct description of hydrophobic molecules is that they are nonpolar and water-fearing, as opposed to polar covalent or water-loving.
Apply this understanding: When encountering questions about molecular interactions with water, remember that nonpolar molecules are hydrophobic and do not mix well with water, while polar molecules are hydrophilic and do mix well.
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