Chemistry Unit 3:2
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Created by:
JimRusconi Plus on October 17, 2010
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15 terms
Terms | Definitions |
|---|---|
 International System of Units (SI) | scientists use this metric based system |
| meter | The basic SI unit of length |
| liter | Basic unit of volume in the metric system |
| weight | the force exerted by a mass as a result of gravity |
| kilogram | 1000 grams |
| gram | a metric unit of weight |
| temperature | a measure of how hot or cold something is |
| Celsius | a temperature scale that defines the freezing point of water as 0 degrees and the boiling point of water as 100 degrees |
| Kelvin | SI unit of temperature; indicates number of units above absolute zero. To go from Celsius to Kelvin add 273. To go from Kelvin to Celsius subtract 273. |
| absolute zero | The coldest temperature, 0 Kelvin, that can be reached. It is the hypothetical temperature at which all molecular motion stops. |
| energy | the ability to do work |
| joule | si unit of energy |
| calorie | unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure |
| Density | mass/volume |
| Conversion factor | a ratio derived from the equality between two different units that can be used to convert from one unit to the other |
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