Question

6.

Compared to the melting points of ionic compounds, the melting points of molecular solids tend to be ____.
(1 point)

similar
unpredictable
lower
higher

7.

If the volume of a container of gas is reduced, what will happen to the pressure inside the container?
(1 point)

The pressure will increase.

The pressure will not change.

The pressure will decrease.

The pressure depends on the type of gas.

8.

When the temperature and number of particles of a gas are constant, which of the following is also constant?
(1 point)