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24 Cards in this Set
- Front
- Back
suspension
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a mixture with small undissolved particles that do not settle out.
example: gelatin |
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solution
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a substance that is present in a solution in a smaller amount and dissolved by the solvent
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solvent
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a mixture in which particles can be seen and easily separated by settling or filtration
example: water and pepper |
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solute
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a well mixed mixture
example: water and salt |
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colloid
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part of a solution present in the largest amount
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dilute solution
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has more dissolved solute than is predicted by its solubility at the given temperature
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concentrated solution
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temperature, pressure and type of solvent
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solubility
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does not hold as much of a solute as is possible at the given temperature
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saturated solution
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only a little solute is dissolved in the
water |
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unsaturated solution
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more solute is dissolved in the water
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factors that affect the solubility of a substance
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a measure of how well a solute can dissolve in a solvent at a given temperature.
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supersaturated solution
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contains as much dissolved solute as possible at a given temperature
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acid
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a substance that tastes bitter, feels slippery and turns red litmus blue
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indicator
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compounds that share characteristic properties in the kinds of reactions they undergo.
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base
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a compound that changes color when in contact with an acid or a base
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hydrogen ion (H+)
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an ionic compound that can form from the neutralization of an acid with a base
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hydroxide ion (OH-)
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a reaction between an acid and a base
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pH scale
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rainwater that is more acidic than normal rainwater
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acid rain
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a positively charged ion formed of a hydrogen atom that has lost its electron
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neutralization
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a negatively charged ion made of oxygen and hydrogen
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salt
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a range of values from 0 - 14 that expresses the concentration of hydrogen ions in a solution
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digestion
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the process that changes large food molecules into smaller molecules
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mechanical digestion
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the process that breaks down complex molecules of food into smaller molecules
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chemical digestion
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the physical process that tears, grinds, and mashes large food particles into smaller ones
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