amadnabellavia
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Created by:
iloveuu4ever12 on May 20, 2011
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20 terms
Terms | Definitions |
|---|---|
 exothermic reaction | a reaction that releases energy in the form of heat |
| endothermic reaction | A reaction that ABSORBS energy in the form of heat |
| law of conservation of energy | the law that states that energy cannot be created or destroyed but can be changed from one form to another |
| activation energy | energy needed to get a reaction started |
| inhibitor | a substance that slows down or stops a chemical reaction |
| catalyst | (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected |
| acid | below 7 on ph scale and H+ |
| base | OH- higher then 7 on ph scale |
| p.h scale | provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is a |
| indicator | a number or ratio (a value on a scale of measurement) derived from a series of observed facts(PH indicates an acid/base |
| salt | neutralization reaction between acid and bases |
| neutralization reaction | the reaction of an acid and a base to form a neutral solution of water and a salt |
| mixture | (chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding) ex: m&m and skittles |
| solution | a homogeneous mixture of two or more substances |
| solute | the substance that is dissolved (ex: ice mix) |
| solvent | a liquid substance capable of dissolving other substances (ex:water) |
| concentration | the strength of a solution |
| solubility | the quality of being soluble |
| suspension | a mixture in which fine particles are suspended in a fluid where they are supported by buoyancy |
| colloid | a mixture with properties between those of a solution and fine suspension |
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