What is the movement of molecules in both liquids and gases?

gas vibrate and move freely at high speeds. liquid vibrate, move about, and slide past each other. solid vibrate (jiggle) but generally do not move from place to place.

How are the molecules of a liquid different from the molecules of a gas?

Liquid molecules have a definite volume but do not have a definite shape. Gas molecules have no definite volume and shape. To store gas molecules, it is required to have a closed container. Their molecular attraction is minimum when compared to liquid and solid molecules.

How does kinetic molecular theory apply to solids liquids and gases?

The kinetic molecular theory of matter states that: The average amount of empty space between molecules gets progressively larger as a sample of matter moves from the solid to the liquid and gas phases. There are attractive forces between atoms/molecules, and these become stronger as the particles move closer together.

How do liquids and gases differ in terms of fluidity?

The ability of a substance to flow is called fluidity. The substances which show fluidity are called fluids. Liquids and gases possess fluidity while solids are rigid. The particles of a gas have maximum kinetic energy due to free motion of gas particles in all directions.

How do liquid molecules move?

In liquids, particles are quite close together and move with random motion throughout the container. The particles are held together too strongly to allow movement from place to place but the particles do vibrate about their position in the structure.

What is the movement of molecules through air or liquid?

Diffusion
Diffusion is the process by which molecules move through a substance, seemingly down a concentration gradient, because of the random molecular motion and collision between particles.

What makes as molecules different from liquid and solid molecules?

Solids, liquids, and gases are made of tiny particles called atoms and molecules. In a solid, the particles are very attracted to each other. They are close together and vibrate in position but don’t move past one another. In a liquid, the particles are attracted to each other but not as much as they are in a solid.

How are the molecules of solid different from the molecules of liquid?

Click on both tabs and make sure students notice the differences in the movement of the atoms and molecules. The atoms in a solid are so attracted to each other that they vibrate and don’t move past each other. The molecules of a liquid are attracted to each other, but move more freely and past one another.

How do intermolecular forces relate to solids liquids and gases?

Intermolecular forces are weaker attractions that hold molecules or noble gas particles close together when they are in a liquid or solid form. Gas particles have broken away from the intermolecular forces that hold liquids and solids together. An alternative name for intermolecular forces is the van der Waals forces.

What is the kinetic molecular theory of liquids?

The kinetic molecular theory suggests that the vapor pressure of a liquid depends on its temperature. As can be seen in the graph of kinetic energy versus number of molecules, the fraction of the molecules that have enough energy to escape from a liquid increases with the temperature of the liquid.

How is the shape of solid matter different from the shape of liquids and gases?

Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume.

How does liquid differ from gas in terms of compressibility?

Liquids are non-compressible and have constant volume but can change shape. 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.

What is the difference between gas and fluid?

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. Fluids (Liquids and Gases) Liquids and gases are called fluids because they can be made to flow, or move.

Why do liquids have a shorter free path than gases?

A molecule in a liquid cannot move far before colliding with another molecule, however, so the mean free path in liquids is very short, and the rate of diffusion is much slower than in gases. Fluidity: Liquids can flow, adjusting to the shape of their containers, because their molecules are free to move.

What are the physical properties of liquids and gases?

Physical Properties of Liquids In a gas, the distance between molecules, whether monatomic or polyatomic, is very large compared with the size of the molecules; thus gases have a low density and are highly compressible. In contrast, the molecules in liquids are very close together, with essentially no empty space between them.

Why do liquids have freedom of motion?

Fluidity: Liquids can flow, adjusting to the shape of their containers, because their molecules are free to move. This freedom of motion and their close spacing allow the molecules in a liquid to move rapidly into the openings left by other molecules, in turn generating more openings, and so forth (Figure 11.1.3).