# what determines the shape and volume of a gas inside a container

Charles’s law states that the volume of a given amount of gas is directly proportional to its temperature on the kelvin scale when the pressure is held constant. with k being a proportionality constant that depends on the amount and pressure of the gas.

## Why do gases fill their containers regardless of the shape and volume of the containers?

Regardless of gravity, a liquid has a fixed volume. In the gas phase the molecular forces are very weak. A gas fills its container, taking both the shape and the volume of the container. … In any fluid, the molecules themselves are in constant, random motion, colliding with each other and with the walls of any container.

## Why does gas take the shape of its container?

A liquid can flow and take the shape of its container. Gases don’t have a fixed shape or a fixed volume. The particles move around all the time and spread out. This is why a gas fills its container.

## What is the shape and volume of a gas?

gas: Has no definite shape or volume.

## What are three factors that affect gas pressure?

Temperature, pressure, volume and the amount of a gas influence its pressure.

## What happens to the volume of the gas inside the container after it was pressed?

The gas molecules are moving and are a certain distance apart from one another. An increase in pressure pushes the molecules closer together, reducing the volume. If the pressure is decreased, the gases are free to move about in a larger volume.

## What factors affect the pressure of an enclosed gas?

Factors that affect the pressure of an enclosed gas are its temperature, its volume, and the number of its particles.

## What do you think makes a gas to have an indefinite shape does it have something to do with its particles How do you describe the particles of a gas?

Gases. If the particles of a substance have enough energy to completely overcome intermolecular interactions, then the particles can separate from each other and move about randomly in space. … Like liquids, gases have no definite shape, but unlike solids and liquids, gases have no definite volume either.

## Why do solid liquid and gases differ in shape and volume?

Solids, liquids, and gases all differ in shape and volumes because each of them have different strenght of interparticle bondings.

## Which best describes the size and shape of a sample of gas?

Question: Which best describes the size and shape of a sample of gas? … It has definite volume, but shape is determined by the container. Its volume is determined by the container, but it has a definite shape.

## What determines the shape of a liquid?

A liquid’s shape is dictated by the shape of the container it is in. Gases do not have a constant volume or shape; they not only take the shape of the container they are in, they try to fill the entire container. Matter in the plasma state has variable volume and shape.

## What determines the volume of a gas temperature and pressure?

The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles’s law). The volume of a given amount of gas is inversely proportional to its pressure when temperature is held constant (Boyle’s law).

## Does not take the shape of its container?

A solid has a definite shape. It does not take the shape of its container. It also has a definite volume because it can be measured. A liquid does not have a definite shape.

## What is the shape of a gas?

Like liquids, gases have no definite shape, but unlike solids and liquids, gases have no definite volume either.

## On what factors does volume depend?

Temperature, pressure and concentration.

## On which factors molar volume of a gas depends?

Because of the variation in gas volume due to pressure and temperature changes, the comparison of gas volumes must be done at standard temperature and pressure. Standard temperature and pressure (STP) is defined as 0oC (273.15K) and 1atm pressure. The molar volume of a gas is the volume of one mole of a gas at STP.

## What retains its shape regardless of the shape of the container?

A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles. It will take the shape of its container. Particles can move about within a liquid, but they are packed densely enough that volume is maintained.

## Why is the volume of a gas the same as the volume of its container?

Because gases expand to fill their containers, it is safe to assume that the volume of a gas is equal to the volume of its container. The difference between the volume of a gas and the volume of the liquid or solid from which it forms can be illustrated with the following examples.

## Why does the shape of the container make a difference?

By the end of this investigation students will understand that liquids take the shape of their containers, that a standard–sized container makes it easier to compare volumes, and that volume is conserved no matter what container holds the liquid.

## What takes the shape of a container?

Solid matter is composed of tightly packed particles. A solid will retain its shape; the particles are not free to move around. Liquid matter is made of more loosely packed particles. It will take the shape of its container.

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

The constant motion of particles in a gas allows a gas to fill a container of any shape or size. Particles in a gas are in constant, random motion. The motion of one particle is unaffected by the motion of other particles unless the particles collide.

## Does gas have variable shape?

Matter in the gaseous state has both variable volume and shape, adapting both to fit its container. Its particles are neither close together nor fixed in place.

## What can you infer about the shape and volume of a solid?

A solid has a fixed shape and volume that do not change with the shape of its container. … A liquid has a constant volume, but its shape conforms to the shape of its container.

## How does volume affect gas pressure?

Because the volume has decreased, the particles will collide more frequently with the walls of the container. … More collisions mean more force, so the pressure will increase. When the volume decreases, the pressure increases. This shows that the pressure of a gas is inversely proportional to its volume.

## What action causes pressure on the inside of the container?

The pressure of a gas results from collisions between the gas particles and the walls of the container. Each time a gas particle hits the wall, it exerts a force on the wall.

## How would you increase the pressure inside a container by a factor of 3?

Three Ways to Increase the Pressure of a Gas

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