Table of Contents
Why do gas molecules fill an entire container and not only the bottom?
Molecules vibrate and are also able to move freely past each other. A gas does not have a definite shape or volume. Gas molecules will spread out evenly to fill any container.
Does gas stay at the bottom of the container?
Gases do not settle at the bottom of a container.
What happens to the molecules within a container filled with gas?
Molecules of a gas move randomly. In a sealed container they exert a force when they collide with the container walls and this applies a pressure to the container. The force and the pressure is equal throughout the container. When gases in containers are heated, their molecules increase in average speed.
Can gas molecules be placed in a container?
Gas is a state of matter that has no fixed shape and no fixed volume. When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed. The particles exert more force on the interior volume of the container. This force is called pressure.
Why liquids fill the bottom of container?
The attraction between the particles in a liquid keeps the volume of the liquid constant. The movement of the particles causes the liquid to be variable in shape. Liquids will flow and fill the lowest portion of a container, taking on the shape of the container but not changing in volume.
Why do gases never settle?
Gas molecules dont settle because they have too much kinetic energy. As time goes on, that energy (heat) dissipates, and the molecules do ‘settle. ‘ When this occurs they become a liquid or a solid.
Which state of matter does not settle to the bottom of the container?
Gases
Gases do not settle at the bottom of a container.
Why does a gas fill a container completely?
A) A gas totally fills the container where it is kept because it does not have definite volume. Its molecules are very-very loosely packed. A gas exerts pressure on the wall of a container because in gaseous matter the molecules are loosely packed. The force of attraction between the molecules is very weak.
What happens when a gas is compressed in a closed container?
When an ideal gas is compressed in a closed container it raises the internal energy U. Compressing an ideal gas increases its temperature and its internal energy increases since U=f(t) for an ideal gas. Hence, when an ideal gas is compressed in a closed container its U increases.