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Gas.

(Or plasma, if one wants to get technical)

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Q: What Matter that changes size to fill its container is a?
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Related questions

Does a solid fill a container it is in?

well, it depends on the size of the solid and container.


What doesn't have a definite size and takes the shape of their container?

A gas or a plasma takes on the entire size (volume) and shape of its container. A liquid takes the shape of its container but always has a definite size (volume) and may not completely fill its container.


What kind of matter takes the shape and size of any container?

A gas will take on the size and shape of a container. Liquids and solids will not.


In which phases will the molecules of a substance fill whatever size container they are placed in?

This is a gas.


How is gas able to to fill a container of any shape or size?

Because gas has no shape and gases adopt the shape of that container in which gas is placed.


Takes the shape and size of a container?

Matter in the liquid state can take the shape of a container. However, a liquid has a definite volume. On the other hand, a gas can do both, that is take the shape and volume or size of a container.


How is solid differ from solid?

Gas expands to fill up it's container, while if solids are put into the same container, the will not expand. They will stay the same size and shape.


How is solid different from gas?

Gas expands to fill up it's container, while if solids are put into the same container, the will not expand. They will stay the same size and shape.


What determines the shape and volume of a a gas inside a container?

The shape of the containerA property of a gas is that it expands to fill the shape and volume of a container. An exception may be the case where there is more than one gas and the heavier gasses will tend to settle to the bottom of the container.


When a container decreases in size what will happen to an amount of gas in the container?

If the container decreases in size, the pressure inside the container will increase. This is because the gas molecules are more confined and collide more frequently with the walls of the container. The amount of gas remains constant, but the pressure changes due to the reduced volume.


What determines the shape a volume of a gas inside a container?

The shape of the gas is determined by the shape of the container (assuming that there is enough gas to fill the container). The volume of the gas is determined by the volume of the container (again assuming that there is enough gas present to fill the container.). When a gas is introduced into any container, it will assume the size and shape of the container if the container is filled. The exception to this rule might be if the pressure of the gas introduced is great enough to influence the shape of the container (i.e. blowing up a balloon).


Do molacules change as a matter changes in size shape mass and texture?

no