chemical and physical change/mixture cards
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Created by:
mcwalker2016 on January 20, 2012
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14 terms
Terms | Definitions |
|---|---|
 chemical change | a change that produces matter with a different composition than the original matter, (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved Ex: rust |
| physical change | a change from one state (solid or liquid or gas) to another without a change in chemical composition Ex: tearing up a piece of paper |
| the six signs of chemical reaction | 1. bubbles of gas 2. precipitation ( a solid coming out of two liquids) 3. color change 4. temperature change 5.change in smell or taste 6.giving off light 3. color change 4. temperature change 5.change in smell or taste 6.giving off light |
| polymerization | a chemical process that combines several monomers to form a polymer or polymeric compound |
| reactants | the elements or compounds that enter into a chemical reaction |
| products | the elements or compounds produced by a chemical reaction |
| heterogeneous | consisting of elements that are not of the same kind or nature |
| homogeneous | all of the same or similar kind or nature, all of the same or similar kind or nature |
| paper chromatography | chromatography that uses selective adsorption on a strip of paper. A process that seperates mixtures by there solubility and density |
| distillation | the process of purifying a liquid by boiling it and condensing its vapors |
| solution | a homogeneous mixture of two or more substances |
| solute | the dissolved substance in a solution |
| solvent | a liquid substance capable of dissolving other substances |
| solubility | the quantity of a particular substance that can dissolve in a particular solvent (yielding a saturated solution) |
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