States and Properties of Matter - Test Test

Question 1

Which event is most likely occurring?

Revolt · Accepted Answer

C: effusion because there is a movement of a gas through a small opening into a larger volume

Question 2

Which change of state involves a release of energy?

Revolt · Accepted Answer

C: condensation

Question 3

Which is an aspect of the kinetic-molecular theory and can be used to explain the behavior of plasmas?

Revolt · Accepted Answer

B: Particles exchange energy through elastic collisions.

Question 4

Which statement describes an intensive property of matter?

Revolt · Accepted Answer

C: It is the same for every sample of a single substance.

Question 5

The particles of a gas inside a balloon are experiencing an increase in their average kinetic energy and the number of collisions with the wall of the balloon. What is the most likely outcome?

Revolt · Accepted Answer

C: higher gas pressure inside the balloon

Question 6

Which device involves the use of plasma in technology?

Revolt · Accepted Answer

A: arc welder

Question 7

Water’s molar mass is 18 point 0 1 g over mol The molar mass of glycerol is 92 point 0 9 g over mol At 25 times degree C , glycerol is more viscous than water. Which substance has the stronger intermolecular attraction?

Revolt · Accepted Answer

D: glycerol because it is more viscous and has a larger molar mass

Question 8

A substance is tested in a lab. It is found to maintain a unique shape and is a good conductor of electricity. If it is made up of electrons, protons, and neutrons, what state of matter is this substance most likely to be?

Revolt · Accepted Answer

C: solid

Question 9

Malia was able to make a paperclip float on the surface of water. What will most likely happen to the paperclip if a drop of dishwashing detergent is added near it?

Revolt · Accepted Answer

A: Soap is a surfactant that disrupts the intermolecular forces of water making the paperclip sink.

Question 10

Bromine gas in a container is heated over a flame. What happens to the average kinetic energy of the bromine particles?

Revolt · Accepted Answer

D: It increases quickly.

States and Properties of Matter - Test Test Answers

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