Conversion Factor Chemistry Math

The easiest way to do stoichiometric calculations involves using conversion factors. A conversion factor is the number or formula you need to convert a measurement in one set of units to the same measurement in another set of units. The useful aspect of converting units or dimensional analysis is in doing non standard conversions.

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In math you may recall if you multiply any number times 1 it is unchanged.

Conversion factor chemistry math. With all of this in mind you re ready to perform unit conversions. 1 joule 1 nt m 10 7 ergs 0 7376 ft lbwt 0 2389 cal 9 481 10 4 btu. For example say you have a length that is measured in feet and you wish to report on it in meters. Unit conversions work the same way except 1 is expressed in the form of a conversion factor or ratio.

A simple conversion factor can be used to convert meters into centimeters or a more complex one can be used to convert miles per hour into meters per second. Desiredunit factor x givenunit desiredunit xgivenunit givenunit common conversion factors. If we convert inches into cm the conversion factor is 2 54 cm 1 inch. 1 btu british thermal unit 778 ft lbwt 1055 joules 0 293 watt h.

1 cal 4 184 j. If we convert cm into inches the conversion factor is 1 inch 2 54. A conversion factor is a factor used to convert one unit of measurement into another. 1 calorie cal 4 186 joules 3 087 ft lbwt 3 968 10 3 btu.

This quick math review outlines the basic rules left and chemistry applications right of each term. Using conversion factors to solve problems examples. Chemistry conversion factors and constants metric conversion factors prefix abbreviation conversion factor for example for example mega m 1000000 10 6 1 megabyte 1 x 10 bytes 1 byte 10 6 megabytes kilo k 1000 10 3 1 kilometer 1000 meters 1 meter 0 001 kilometers deci d 0 1 10 1 1 deciliter 0 1 liters 1 liter 10 deciliters. A unit conversion can be thought of as a sort of equation.

Unit conversion the rocess of converting a given unit to a desired unit using conversion factors. While you can find many standard conversion factors such as quarts to pints or tablespoons to fluid ounces life and chemistry and physics classes will throw you curve balls. Here are some examples of conversion factors. Converting between units with conversion factors.

A conversion factor is always equal to 1. 1 ft lbwt 1 356 joules 0 3239 cal 1 285 10 3 btu. The number is usually given as a numerical ratio or fraction that can be used as a multiplication factor. A conversion factor is a ratio or fraction which represents the relationship between two different units.

From the above chart in the length section of customary to metric conversion we have 1 inch 2 54 centimeters. Performing unit conversions.