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A set of fill-in-the-blank practice flashcards covering water properties, acids, bases, pH, solutions, suspensions, and the effect of salt ions based on the lecture transcript.
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Water is classified as a __________ covalent molecule.
polar
Water molecules can form hydrogen bonds with each other because of water's __________.
polarity
The property of water forming hydrogen bonds with other water molecules is called __________.
cohesion
Cohesion in water gives rise to surface __________.
tension
The property of water forming hydrogen bonds with other charged molecules is known as __________.
adhesion
Ice floats as a solid because it is __________ dense than liquid water.
less
The pH scale measures the amount of __________ in a solution.
H+
An acid has lots of H+ and a pH range from 0 to __________.
6.9
A base has more OH− ions and a pH range from 7.1 to __________.
14
Examples of acids include lemon juice, soda, and __________ Acid.
Hydrochloric
Examples of bases include Baking Soda and __________ Hydroxide.
Sodium
A solution is neutral when [H+]=[OH−] and the pH is __________.
7
Substances that keep the pH of a solution from changing are called __________.
buffers
A solution is defined as a __________ mixture of two or more substances.
homogeneous
In a solution, the substance that is dissolved is the __________.
solute
In a solution, the liquid mixture that does the dissolving is the __________.
solvent
A __________ is a heterogeneous mixture with solid particles that can settle out into a separate layer.
suspension
While blood plasma is a solution, human blood containing RBC, WBC, and platelets is considered a __________.
suspension
A mixture of water and sand has no bonds, meaning the substances are not __________ together.
chemically
When salt ions (Na+ and Cl−) interfere with water's normal behavior, the freezing point will __________.
decrease
When salt ions (Na+ and Cl−) interfere with water's normal behavior, the boiling point will __________.
increase
Water acts as a universal solvent because it strongly attracts polar molecules and __________ compounds.
ionic
Water and oil do not mix because water strongly repels __________ molecules.
nonpolar