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Section 3.3 Mixtures of Matter
Composition of Matter Matter SubstanceMixture
Mixtures Combination of two or more pure substances in which the pure substances retain their chemical properties
Examples Sand and water Salt and water
Types of Mixtures Mixtures HeterogeneousHomogeneous
Heterogeneous Mixtures Does not blend smoothly throughout it Individual components remain distinct areas of the mixture No uniform distribution of components throughout the mixture
Homogeneous Mixture Constant composition throughout Single phase Also referred to as a solution Can be solid, liquid, or gas
Heterogeneous or Homogeneous?
Heterogeneous or Homogenous?
Heterogeneous or Homogeneous?
Separating Mixtures Reverse of mixing Since each component of a mixture retains chemical composition… Chemists developed various separation methods
Filtration Solid from liquid separation Uses porous medium Example: Filter paper
Distillation Homogenous mixture separation Ability of components to form gases Example: Salt water Salt + Pure Water
Crystallization Used when a solution contains maximum amount of dissolved substance Add a little more and pure solid particles are produced
Rock Candy Crystallization
Chromatography “Writing of Colors” Separation by differing abilities of substances to adhere to various surface solids Paper, starch Example: ink separation by paper chromatography
Ways to separate mixtures – Chapter 3: Matter & Its Properties
August 31. How can you separate mixtures? Separating is based on the difference in physical properties of the substances… Think about how you would separate.
Matter: Properties & Changes
MATTER: MIXTURES AND ELEMENTS AND COMPOUNDS You will distinguish between physical and chemical properties You will classify matter by composition.
Separation of Mixtures
Unit 1: Measurement & Matter
Chapter 2 Matter and Change Mixtures 2.1 Properties of Matter
1. To learn about the composition of matter 2. To learn the difference between elements and compounds 3. To define the three states of matter.
HONORS CHEMISTRY August 23, Brain Teaser PLACE HOMEWORK ON YOUR DESK Classify each of the following as a physical or chemical property. a. Iron.
Matter Properties & Changes. __________ – anything that has mass and takes up space __________ - matter that has a uniform and unchanging composition…also.
Bellringer COMPLETE SENTENCES!!!! Define “substance”, and give an example.
Mixtures of Matter Section 3.3.
Mixtures of Matter. Classification of Matter.
Section 3-3 Section 3.3 Mixtures of Matter Contrast mixtures and substances. Classify mixtures as homogeneous or heterogeneous. List and describe several.
Chemistry in Everything Find the chemistry!. What does matter look like?
Types of Mixtures w Variable combination of 2 or more pure w substances. Heterogeneous Homogeneous.
Mixtures vs Pure Substances. What are these pictures of?
R ECALL : A mixture is the (physical / chemical) combination of 2 or more ____________. Compounds are the ( chemical / physical) combination of 2 or more.
Properties of Matter Physical Properties: Can be observed without changing a substance into another substance. Boiling point, density, mass, volume, etc.
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