Chemistry - Chapter 4 Vocab.
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Created by:
ajarrell95 on October 3, 2011
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21 terms
Terms | Definitions |
|---|---|
 Solution | homogenous mixture of 2 or more substances in a single physical state (ex - air we breath & the ocean) |
| Solute | substance dissolved; smaller of the 2 (ex - sugar) |
| Solvent | dissolving agent; bigger of the 2 (ex - sweet tea) |
| Aqueous Solution | Chemicals, solutions, or compounds put in water |
| Electrolyte | Ability to conduct electricity |
| Molarity | Moles solute per liter solution |
| Reduction | gain of electrons |
| Oxidation | loss of electrons |
| Reducing agent | Electron donor (oxidized) |
| Oxidation number | way of keeping track by assigning electrons to particular ions |
| alloy | solid containing 2 or more metals |
| precipitant, acid-base, oxidation-reduction | 3 types of reactions |
| Polar molecule | unequal distribution of charge |
| Hydration | positive ends of water are attracted to the negative ions |
| Dilution | when water is added to achieve the desired molarity for a solution |
| Precipitation reaction | when 2 substances are mixed & some insoluble (solid) substance forms |
| neutralization reaction | acid-base reaction, enough base is added to exactly neutralize the acid |
| Volumetric analysis | technique for determining the amount of a certain substance by doing a titration |
| Equivalence point | point where the MATH says the substance will neutralize |
| Titration | delivery of measured volume of solution to a known concentration into a known solution containing the substance being analyzed. |
| REDOX reaction | reaction in which electrons are transferred |
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