How can you demonstrate that a substance is a liquid?

A liquid is a fluid that conforms to the shape of its container but that retains a nearly constant volume independent of pressure. The volume is definite (does not change) if the temperature and pressure are constant.

How do you determine if a compound is solid liquid gas or aqueous?

If they’re both above room temp, the compound is a gas. If the boiling point is above room temp and the melting point is below, the compound is a liquid. If it’s a solid based on these temperatures it could also be dissolved in water and be aqueous. You could look up its solubility in water.

How can you describe a solid a liquid or a gas?

solid: Has a definite shape and volume. liquid: Has a definite volume, but take the shape of the container. gas: Has no definite shape or volume. change of state: When matter is converted from one of the three states (example: solid, liquid, or gas) to another state.

What is an example of a solid a liquid and a gas?

The chair you are sitting on is a solid, the water you drink is liquid, and the air you breathe is a gas. The atoms and molecules don’t change, but the way they move about does. Water, for example, is always made up of two hydrogen atoms and one oxygen atom.

How do you describe a gaseous substance?

Gases are substances that exist in the gaseous phase. Gases do not have any defined volume. They expand to occupy the volume of the container they are placed in. Gases do not have any defined shape.

How do you identify the identity of a liquid?

To identify a pure liquid substance using the physical properties of solubility, density, and boiling point. The physical properties of a pure substance can be measured without changing the composition of the substance.

How do you know if a reaction is aqueous or solid?

If the rules state that an ion is soluble, then it remains in its aqueous ion form. If an ion is insoluble based on the solubility rules, then it forms a solid with an ion from the other reactant.

How do you know the state of matter of a compound?

The state of matter of each compound or molecule is indicated in subscript next to the compound by an abbreviation in parentheses. For example, a compound in the gas state would be indicated by (g), solid (s), liquid (l), and aqueous (aq).

Who discovered solids liquids and gases?

British scientist Joseph Priestley (1733–1804) made a key discovery when he isolated oxygen, a gas he called dephlogisticated air, in keeping with the theory of that time that a mysterious substance called phlogiston was in all substances.

How do molecules move in solids liquids and gases?

In a solid, the molecules are tightly packed and only vibrate against each other. In a liquid, the molecules move freely, but stay close together. In a gas, they move around wildly and have a great deal of space between them. In the water cycle, evaporation occurs when sunlight warms the surface of the water.

What happens to molecules when they change state of matter?

These changes between states (melting, freezing, and evaporating) happen because as the temperature either increases or decreases, the molecules in a substance begin to speed up or slow down. In a solid, the molecules are tightly packed and only vibrate against each other.

Does the dissolved substance take up space in a solution?

the dissolved substance (solute) in a solution is not taking up any space. only the taste and/or colour is left when something dissolves, not the substance itself. substances change into new substances when they dissolve.