Question

DUE AT 6:30 FOR 91 POINTS

As air becomes more dense, _____. (Select all that apply)

air weighs more
air is colder
air weighs less
gas molecules are closer together
gas molecules are further apart
air is hotter

Answer 1

The answers that apply:

Gas molecules are closer together

Air weighs more

Air is hotter

When air is more dense, the molecules are getting pressed together more…

Answer 2

The answers that apply are

gas molecules are closer together.

air weighs more

air is hotter.

When air is compressed, it means the same volume of space is occupied by more air molecules. This, therefore, means that the molecules are hitting each other with a higher frequency hence become hotter with more compression. It weighs more because there are more molecules in the same volume of space.