Question 1

Which statement best explains the fact that gases can be compressed?

Accepted Answer

The particles in a gas are very far apart.

Answer

The particles in a gas are constantly moving very rapidly.

Answer

The particles in a gas have no force of attraction (bonds) between them.

Answer

The particles in a gas have no force of attraction (bonds) between them.

Question 2

A 10 mL sugar is dissolved into a 20 mL water. What actual final volume of the mixture will you expect?

Accepted Answer

less than 30 mL

Answer

30 mL

Answer

more than 30 mL

Answer

data are insufficient to determine the answer

Question 3

Which statement is not a key point of the particle theory of matter?

Accepted Answer

Particles naturally repel one another.

Answer

All matter is made up of particles.

Answer

None of the above

Answer

There are spaces between particles.

Question 4

Which of the following has the least spaces between particles?

Accepted Answer

solid

Answer

plasma

Answer

gas

Answer

liquid

Question 5

Matter is anything that ____________.

Accepted Answer

has mass and volume

Answer

occupies space

Answer

none of the choices

Answer

has mass

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