CP1 Chemistry Chapter 3
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Created by:
kelseylombard on January 14, 2012
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24 terms
Terms | Definitions |
|---|---|
 English system | a nondecimal system of measurement without basic units |
| metric system | a decimal system of measurement with basic units |
| meter | the basic unit of length in the metric system |
| gram | the basic unit of mass in the metric system |
| liter | the basic unit of volume in the metric system |
| second | the basic unit of time in the metric system |
| International System | a comprehensive system of measurement with seven base units |
| unit equation | a statement of two equivalent values, for example, 1 in = 2.54 cm |
| exact equivalent | a statement of two exactly equal values, for example 1 m = 100 cm |
| unit factor | a ratio of two quantities that are equivalent, for example, 1 lb/454 g |
| reciprocal | the relationship between a fraction and its inverse, for example, 1 qt/946 mL and 946 mL/1 qt |
| unit analysis method | a procedure for solving problems that proceeds from a given value to a related answer by the conversion of units |
| cubic centimeter | the volume occupied by a cube 1 cm on a side |
| volume by displacement | a technique for determining volume from the amount of water displaced |
| density | the amount of mass in one unit of volume |
| specific gravity | the ratio of the density of liquid compared to the density of water at 4°C |
| heat | the flow of energy from an object at a higher temperature to an object at a lower temperature |
| temperature | the average kinetic energy of molecules in motion |
| Fahrenheit degree | the basic unit of temperature in the English system |
| Celsius degree | the basic unit of temperature in metric system |
| Kelvin unit | Basic unit of temperature in the SI system |
| specific heat | amount of heat required to raise 1g of substance 1°C |
| calorie | amount of heat required to raise 1g of water 1°C |
| joule | unit of energy in the SI system |
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