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CHEM CH 2 Review
| Question | Answer |
|---|---|
| mixture that looks the same | homogeneous mixture |
| mixture that looks different | heterogeneous mixture |
| says that mass is not created or destroyed during a physical or chemical change | law of conservation of mass |
| SI unit for temperature | Kelvin |
| temperature where all molecules stop moving | absolute zero |
| gaseous state of solid or liquid at room temperature | vapor |
| SOM-- most common in universe (ionized gas) | plasma |
| SOM with definite volume and definite shape | solid |
| SOM with indefinite shape and definite volume | liquid |
| SOM with indefinite volume and indefinite shape | gas |
| solid to gas | sublimation |
| gas to solid | deposition |
| separates parts of mixture by different sizes | filtration |
| separates parts of mixture by different boiling points | distillation |
| solid made from mixing liquids together (liquid solution) | precipitate |
| part of solution always in lesser amount (is mixed in) | solute |
| part of solution always in greater amount (does the mixing) | solvent |
| solution with more than max amount of solute | super saturated solution |
| solution with exactly max amount of solute | saturated solution |
| solution with less than the max amount of solute | unsaturated solution |
| gas to solid | deposition |
| solid to gas | sublimation |
| gas to liquid | condensation |
| liquid to gas | evaporation |
| solid to liquid | melting |
| liquid to solid | freezing |
| property based on amount | extensive property |
| property based on type | intensive property |
| made of uniform composition and structure ; only elements and compounds | substance |
| aka homogeneous mixture | solution |
| basic unit of matter | atom |
| heterogeneous mixture with visible particles spread throughout | suspension |
| heterogeneous mixture with microscopic particles spread throughout | colloid |
| temperature where all particles stop moving | absolute zero |
| any matter that can flow | fluid |
| describes how a fluid flows (fast vs. slow) | viscosity |
| ability to conduct electricity | conductivity |
| metal rusting, wood burning, flammable (examples of ....) | examples of chemical properties |
| color, shape, mass, boiling, freezing (examples of ....) | examples of physical properties |
| speeds up a chemical reaction | catalyst |
| gets made in chemical reaction (right side) | products |
| starting material in chemical reaction (left side) | reactants |
| is reached when reaction is reversible at occur at the same rate (no net change) | equilibrium |
| states that mass is not created or destroyed in a chemical reaction | law of conservation of mass |
Created by:
cadetjt
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