Mixtures

Pizza Is A Mixture! ,[object Object]

Pizza Is A Mixture! ,[object Object],Mixtures can be physically separated!

Mixtures ,[object Object],[object Object],[object Object]

Common techniques for Separating Mixtures

Try This! ,[object Object],[object Object]

Unlike Compounds… ,[object Object]

3 Types of Mixtures ,[object Object],[object Object],[object Object]

Anticipation Guide ,[object Object],[object Object],[object Object],All are solutions! Let’s find out why!

Let’s Talk Solutions ,[object Object],[object Object],[object Object]

How are solutions made? ,[object Object],Dissolving is when the particles in a solution separate and spread evenly throughout the mixture

What Are the Components Of A Solution? ,[object Object],[object Object]

Let’s think of some examples of a solution ,[object Object],[object Object]

Think About It! ,[object Object],The salt is the solute and the water is the solvent.

So What Happens When The Solution is Two Liquids Or Two Gases? ,[object Object]

Can Solids Be A Solution? ,[object Object],Some examples are alloys which are metals or nonmetals dissolved in metals. Brass is an alloy of the metal zinc dissolved in copper Steel, including the steel used to build the Titanic, is an alloy of the nonmetal carbon and other elements dissolved in iron.

Self-Check ,[object Object],[object Object],Copper and silver are solutes and gold is the solvent

Examples of Different States in Solutions

What About Matter That Doesn’t Dissolve In A Solvent? ,[object Object]

Some Particles In Solutions Are So Small… ,[object Object],So small that they don’t scatter light!

Concentrate on Concentration ,[object Object],[object Object],[object Object]

How Do I Determine Concentration of Colorless Solutions? ,[object Object],[object Object]

Your Turn! ,[object Object],[object Object],[object Object],A: 55g/500mL=0.11g/mL B: 36g/144mL=0.25g/mL A is more dilute, B, more concentrated

Let’s Do It Again! ,[object Object],[object Object],75g additional NaCl Concentration is 0.3g/mL

How Much Can I Dissolve? ,[object Object],You need to know the solubility of the sugar. The solubility is the amount of solute needed to make a saturated solution using a given amount of solvent at a certain temperature. Solubility is expressed in grams of solute per 100 mL of solvent

Check It Out! ,[object Object],[object Object]

Suspensions ,[object Object],[object Object],[object Object]

The Particles In A Suspension Are So Big… ,[object Object],[object Object],[object Object]

So, What The Heck Is Jello? ,[object Object],[object Object],[object Object],[object Object]

Are There Other Examples? ,[object Object],[object Object]

How Small Are The Particles? ,[object Object],[object Object]

Quick Check ,[object Object],Mixing, Heating, or crushing the solute

Quick Check ,[object Object],Helium is the solute, oxygen is the solvent

Quick Check ,[object Object],Unlike particles in a solutions, particles in a suspension are large enough to settle out, block light, and be trapped by a filter. Particles in a solution do none of these.

Mixtures

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Mixtures