P.S. Exam Review warm-up ch7-10

Front

What are acids?

Back

Corrosive substances characterized by a strong smell, a sour taste, and a pH less than 7.

Front

What is a diluted solution?

Back

A solution that has a low concentration of solute, often appearing light colored and tasting watery.

Front

What is the coefficient needed to balance a chemical equation?

Back

The number placed before a compound in a chemical equation to ensure the number of atoms for each element is equal on both sides.

Front

What is the pH of pure water?

Back

7, which is considered neutral.

Front

What is a solute?

Back

The substance that is dissolved in a solution.

Front

What is a solvent?

Back

The substance in which the solute is dissolved, often present in greater amount.

Front

What is the pH scale?

Back

A scale that measures how acidic or basic a solution is, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What are bases?

Back

Substances that have a bitter taste, slippery feel, and a pH greater than 7.

Front

What is saturation in a solution?

Back

The point at which no more solute can dissolve in the solvent at a given temperature.

Front

What is a colloid?

Back

A mixture where tiny particles of one substance are evenly distributed throughout another substance.