SUMMATIVE TEST_Boyle's and Charles Law

Marco weighs two kinds of balloon. He found out that the inflated balloon is heavier than the deflated. What does this indicate?

• a. gas has volume

• b. gas has mass

• c. gas has temperature

• d. gas has pressure

Jane can still pump air in the party balloon even though it is already inflated. What explains this phenomenon?

• a. balloons look better if their size is bigger

• b. the air inside the balloon is hot

• c. balloons are made of plastic.

• d. air molecules can be compressed.

Which of the following statements about Kinetic Molecular Theory of gases is false?

• a. There are no attractive or repulsive forces between gases.

• b. The speed of the gas particles is constant regardless of its temperature.

• c. Collision between particles and the walls of the container are perfectly elastic.

• d. The particles travel in straight, random motions until they collide with other particles or walls of the container.

Records show that the incident of tire explosion is high during summer season. Which of the following gives the best explanation for this observation?

• a. there are more travelers during summer vacation.

• b. high temperature during summer season causes the air inside the tire to expand.

• c. vehicles' tires are not well-maintained.

• d. there is too much air inside the tires.

According to Jacques Charles, how is temperature of a gas related to its volume?

• a. directly proportional

• b. inversely proportional

• c. direct square proportion

• d. inverse square proportion

How can someone determine volume of a given gas?

• a. same with its container

• b. half of its container

• c. gas has no volume

• d. its volume is immeasurable

Which of the following is NOT a unit used to measure the volume occupied by a gas?

• a. Liter

• b. cubic meter

• c. milliliter

• d. pascal

Which of the following remains constant following Charles' Law?

• a. temperature

• b. pressure

• c. volume

• d. none

Which of the following measures air pressure?

• a. 500 cc

• b. 273 K

• c. 22.4 L

• d. 4 atm

Which of the following indicates the volume of a gas?

• a. 765 torr

• b. 10 pascal

• c. 2.5 liters

• d. 1,500 mmhg