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Module 2 Test

Study for Module 2 Test Chemical and Physical Properties

TermDefinition
heterogeneous mixture mixture that is not uniform in composition; parts can be separated (examples: trail mix, smoke)
homogeneous mixture has the same uniform appearance and composition throughout; a solution; (examples: gelatin, vinegar)
compound formed by the combination of two or more elements (water)
mixture physical combination of two or more substances that are blended together without forming a new substance
colloid particles are scattered throughout and block the passage of light
dilute add water to a solution
solubility the maximum amount of a solute that can dissolve in a solvent
reactant chemicals on the left side of an equation
product chemicals on the the right side of an equation
distillation uses the different boiling points of substances to separate them
expansion occurs when an object’s temperature rises
chemical change atoms link together in new ways to create a substance different from the original substance; the only way to form compounds
examples of chemical change burning, baking soda and vinegar
evidence of chemical change gas, change in color, odor
physical change alters the form of an object without changing what type of matter it is
examples of physical change mixing food coloring with water, chopping wood
boiling point of water 100 degrees celcius
freezing point of water 0 degrees celciius
How are temperature and solubility related? The higher the temperature of the solvent, the higher the solubility.
Law of Conservation of Mass the total mass of the reactants equals the total mass of the products in a chemical reaction
Three state of matter solid, liquid, gas
Created by: jkimball
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