Dimensional Analysi1

Dimensional Analysi1 - at an example using density as a...

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Dimensional Analysis When doing calculations we always write each number with its associated units. As you  do the calculation the units should cancel so that the final number you calculate also has  the correct units. Let's look at some examples. Donuts cost \$2.79 a dozen. How much do 3 dozen donuts cost? Convert 0.34 cm to mm (micrometers). In these two examples the conversion factors are exact numbers. That is, they have  infinite precision. Conversions factors, however, are not always exact numbers. Let's look

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Unformatted text preview: at an example using density as a conversion factor to convert between volume and mass . What volume will 50.0g of ether occupy if the density of ether is 0.71g/mL? A pitcher throws a baseball at 90 miles/hour. What is the speed in feet/second? If the distance between the pitcher's mound and homeplate is 60.5 feet, how long does it take the ball to travel this distance?...
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This note was uploaded on 11/22/2011 for the course CHEMISTRY CHM1025 taught by Professor Laurachoudry during the Fall '10 term at Broward College.

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Dimensional Analysi1 - at an example using density as a...

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