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Solutions. Mixtures. Heterogeneous materials - can see two parts. Homogeneous materials can see only one thing - one set of properties. Homogeneous mixtures They’re mixed together so well you only see one thing – it looks pure but it isn’t. Pure substances

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Mixtures

Heterogeneous materials - can see two parts

Homogeneous materialscan see only one thing - one set of properties

Homogeneous mixtures

They’re mixed together so well you only see one thing – it looks pure but it isn’t

Pure substances

You can only see one thing because there is only one kind of particle in it.

Matter

Solution

mixtures
Mixtures
  • a combination of two or more substances that do not combine chemically
  • remain the same individual substances
  • can be separated by physical means
  • Two types:
    • Heterogeneous
    • Homogeneous

Based on the prefixes

“hetero” and “homo,”

what do you think are

characteristics of these

two types of mixtures?

heterogeneous mixture
Heterogeneous Mixture
  • “Hetero” means different
  • consists of visibly different substances or phases (solid, liquid, gas)

Example:

Notice the

visibly

different

substances

Trail Mix

homogeneous mixture
Homogeneous Mixture
  • “Homo” means the same
  • has the same uniform appearance and composition throughout; maintain one phase (solid, liquid, gas)
  • Commonly referred to as solutions

Example:

Notice the

uniform

appearance

Salt Water

solution
Solution
  • a mixture of two or more substances that is identical throughout
  • can be physically separated
  • composed of solutes and solvents

Salt water is considered a solution. How

can it be

physically separated?

the substance in the smallest

amount and the one that dissolves in the solvent

the substance in the larger

amount that dissolves the solute

Iced Tea Mix

(solute)

Water

(solvent)

Iced Tea

(solution)

solubility
Solubility
  • the amount of solute that dissolves in a certain amount of a solvent

Solublemeans it can be dissolved in a liquid

What do we call things that are not soluble?

Insoluble means it can't be dissolved in a liquid