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Compounds
Review of compounds + Chemical Rxns
| Question | Answer |
|---|---|
| created by a chemical blend of substances | compound |
| created by a physical blend of substances | mixture |
| starting material in a chemical reaction | reactants |
| ending material in a chemical reaction | products |
| solid made from mixing liquids together | precipitate |
| states that mass is never created or destroyed in a physical or chemical change | law of conservation of mass |
| another name for a homogeneous mixture (usually liquids) | solution |
| clues of a chemical change | color or temp. change, gas/bubbles , precipitate |
| mixture that looks the same | homogeneous |
| method of separations of a mixture | filtration or distillation |
| method of separations of a compound | electricity or heat |
| property based on AMOUNT of substance Ex. Mass | Extensive |
| property based on the TYPE of substance Ex. Color | Intensive |
| mixture that looks different | heterogeneous |
| part of solution that is mixed in Ex. kool aid mix | solute |
| a defined area within a mixture | phase |
| definite shape + definite volume | solid |
| indefinite shape + indefinite volume | gas or plasma |
| indefinite shape + definite volume | liquid |
| most common state of matter ; ionized | plasma |
| change that does NOT make a new composition | physical |
| change that does make a NEW composition | chemical |
| part of solution that does the dissolving Ex. water | solvent |
| Temp point: Solid to Gas | sublimation |
| Temp point: Liquid to Gas | Boiling or Evaporation |
| Temp point: Gas to Liquid | Condensation |
| A heterogeneous mixture will have how many phases | 2 or more |