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# Wksht1 - CHEM 1201 Dr Butler SI Kyle Paulk Office Hours...

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CHEM 1201: Dr. Butler SI Kyle Paulk Office Hours Prefix Meaning Giga 10^ Mega 10^ Kilo 10^ Deci 10^ Centi 10^ Milli 10^ Micro 10^ Nano 10^ Pico 10^ Dimensional Analysis: helps to ensure that solutions to problems yield the proper units Conversion Factor: a fraction whose numerator and denominator are the same quantity expressed in different units; i.e. 5,280 feet in a mile can be expressed as (5,280/1) Step 1: Examine the units you are given (7,690 ft.) Step 2: Determine what unit your answer should be in (miles) Step 3: Write a conversion factor to achieve desired unit (1 mile/5,280 ft.) Step 4: Multiply and divide as needed Step 5: Cancel units Generic Formula for conversion: Given unit × (desired unit/given uni t) = desired unit 7,690 ft. × (1 mile/5,280 ft. ) = 1.46 miles 1. A man has a mass of 145 lb, what is his mass in grams? (1 lb = 453.6 g) Using two or more conversion factors 2. Convert 515 m/s to speed in miles per hour. (1 mile = 1.6093 km) Conversions involving volume

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CHEM 1201: Dr. Butler SI Kyle Paulk Office Hours 3. The earth’s oceans contain around 1.36 km 3 of water. Calculate this volume in liters.
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Wksht1 - CHEM 1201 Dr Butler SI Kyle Paulk Office Hours...

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