Gas Properties

A gas is enclosed in a cylinder. When you heat this gas, the pressure inside the cylinder will_?_.

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS3-2

Which of the following is NOT a property of gases?

• high densities

• expand to fill a container

• mix with other gases in the same container

• exert pressure on the walls of a container

When volume decreases, and pressure is not a factor, the temperature will _?_.

• increase

• decrease

• stay the same

When the number of moles increases, and there are no other factors involved, the volume will_?_

• increase

• decrease

• stay the same

When a tire valve stem is pressed and the air in the tire escapes, the temperature of the tire and the temperature of the gas will_?_.

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS3-4

When a hot air balloon ascends into the sky, it is the result of the gas _?_ because the air is _?_.

• compressing/cooled

• expanding/heated

• compressing/heated

• expanding/cooled

Tags

NGSS.HS-PS3-4

When a gas is heated, the energy associated with the gas particles will_?_.

• increase

• decrease

• stay the same

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Standard temperature and pressure are:

• Zero degrees Celsius and 1.00 atm

• 273 Celsius and 1000 mmHg

• Zero degrees Kelvins and 1.00 atm

• 273 Kelvins and 1.00 atm

When a gas escapes from a closed container through a small hole, it is termed:

• Diffusion

• Effusion

The normal mixing of gases in a classroom is termed:

• Diffusion

• Effusion