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Chem Terms to Review
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| Term | Definition |
|---|---|
| Chemical Equations | A shorthand way of reporting the details of a chemical reaction |
| Reactants | the starting substances in a reaction that are placed on the left side of the equation |
| Products | the substances formed during a chemical reaction that are placed on the right side of the equation |
| the arrow | means "yeilds" |
| Coefficients | used to balance equations; represent the number of molecules, formula units, or atoms of the substance |
| Law of Conservation of Mass | Mass cannot be created or destroyed |
| Diatomic | two atoms; the atoms are nitrogen, oxygen, flourine, chlorine, bromine, iodine, and hydrogen |
| s | Solid |
| l | Liquid |
| g | gas |
| aq | aqueous |
| Synthesis | two or more substances combine to form a more complex substance A+B yeilds AB |
| Decomposition | A single substance is broken down into two or more simpler substances AB yeilds A+B |
| Single replacement | A free element replaces a less active element in a compound A+BY yeiilds Ay+B. Follow activity series |
| Activity Series | an arangement of elements in the order of their tendency to react |
| Double replacement( also called matathesis) | The element of reacting compounds replace each other. Normally takes place in an aqueous solution. |
| Precipitate | an insoluble solid. represented by a S or downward arrow |
| Combustion | Involves the reaction of substance with oxygen. Often called burningCxHy+O2 yeilds CO2+H2O |
Created by:
ii_UnkownWaterz
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