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Chemistry 10 A Test
Chapter 1
| Term | Definition |
|---|---|
| States of Matter | Solid, Liquid, Gas |
| Variable of gas | -Temp(speed) -Pressure(collisions) -Volume(size of container) -Amount(# of particles) |
| Phase changes | Solid can be melted to a liquid, a liquid ca be boil and evaporate to a gas. Gas can create condensation. Where liquids can be back to its original form by being frozen. |
| Physical and Chemical Changes | Chemical change- Change of a substance, burn, baking, rust. Hard to change back Physical Change- Change in an objects appearance. melt, freeze, boil |
| Physical and Chemical properties | Physical- Density, magnetic, chemicals Chemical- iodine, H20, flavorable, toxic |
| Graphing Skills | -Title -Labeled Axis -Units -Proper Spacing -Consistent Interval/ ranges on each axis -Independent variable on the x axis -key |
| Types of graphs | Proportional Direct Inverse/indirect |
| Endothermic Process | Adds heat |
| Exothermic Process | Release Heat |
| Pressure | PSI, atom, kpa, torr, hg |
| Volume | L, ML, gallon, cm3 Size of something |
| Chemistry | The study of matter and the changes of matter undergo |
| Matter | Anything that has mass and takes up space, useful for recognizing change. |
| Density | closeness of dots |
| Mass | means more dots |
| Element | Simplest form of matter oxygen, iron, gold, carbon |
| Compound | A substance made of 2 or more elements that are chemically combined sugar, salt, baking soda, h2o |
| Pure Substance | Made of only one type of material iron, oxygen, sugar, salt |
| heterogenous mixtures | A type of mixture that is uniform the composition. A mixture that has chunks. |
| Mixtures | A physical blend of 2 or more substances salad, soup, Gatorade, blood |
| How to separate mixtures | Take advantage of different physical properties Magnetic, color, solubility, boiling point |
| Filtration | A technique to separate a mixture based on state of matter, size or other property by passing a sample through a barrier that collects parts of the mixture |
| Chromotography | A technique to separate a mixture by allowing a liquid sample to slowly flow up a porous sheet of paper. |
| Distillation | A technique to separate a mixture based on boiling point or solubility with a complex system of glass using vaporization and condensation |
| Centrifuge | A technique to separate a mixture based on density by spinning it really fast, centrifugal force. |
| Crystillization | A technique to separate a mixture of solution. It lets the water or solute evaporate away leaving the dissolved particle to turn into a solid. |
Created by:
sabinaperkin
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