Solutions, pH, and Thermal Energy with Mr. N

Front

A compound that changes color when it is in contact with an acid or base is called ____________

Back

Indicator

Front

The pH scale is based off of the concentration of _________ ions.

Back

Hydronium (H+) ions

Front

What is a base?

Back

A substance that donates hydroxide ions in solution.

Front

A _______ solution contains more solute than would normally dissolve at a certain temperature.

Back

Supersaturated solution.

Front

Solution that contains less solute than a saturated solution under the same conditions is called ____________

Back

Unsaturated solution.

Front

What is the pH range of acidic solutions?

Back

pH less than 7.

Front

What is the pH range of basic solutions?

Back

pH greater than 7.

Front

What is a neutral solution?

Back

A solution with a pH of 7.

Front

What happens to the pH of a solution when an acid is added?

Back

The pH decreases.

Front

What happens to the pH of a solution when a base is added?

Back

The pH increases.