Unit 1 Summative Assessment Review

This law states that as the pressure of a gas at constant temperature increases the volume will decrease.

• Boyle's Law

• Charles's Law

Which points on the graph are supersaturated?

• A, B

• No points are supersaturated.

• C, D

• A

A solution with a pH of 2 will

• have no effect on litmus paper

• turn red litmus paper blue

• turn blue litmus paper red

Which of these results from the particles of gases being farther apart than the particles of liquids?

• Gases can be compressed more easily than liquids.

• Liquids can be compressed more easily than gases.

• Liquids fill the volume of their containers but gases do not.

• Gases take the shape of their containers but liquids do not.

Answering which question will enable the student to determine which sample has more energy?

• Which sample has the most molecular motion?

• Which sample has the largest molecules?

• Which sample has the most molecules?

• Which sample has molecules with definite volume?

Which of the following decreases the dissolving rate of a solid in water?

• raising the temperature

• using larger pieces of solid

• stirring constantly

• crushing the solid

Compared to the pH of saliva, the pH of stomach juices is

• the same

• lower

• higher

• unpredictable

At room temperature, the metal mercury is a liquid. How could mercury be changed into a solid?

• by adding energy to increase molecular motion

• by adding energy to decrease molecular motion

• by removing energy to increase molecular motion

• by removing energy to decrease molecular motion

Water is a _________________________ solvent.

Which change would cause the volume of a balloon to increase?

• increasing the temperature of the balloon

• increasing the atmospheric pressure

• removing gas from the balloon

• placing the balloon under water