Unit Conversions Problem Set (Answers)

This problem set was developed by S.E. Van Bramer for Chemistry 145 at Widener University.

Solve the following problems using a calculator and then check your solution with the computer by using Convert-it. You can find detailed tables of conversion factors in the CRC Handbook of Chemistry and Physics and on the World Wide Web.

  1. How many miles is a 10 kilometer running race?

    6.21 mile

  2. How many kilometers is a marathon (26.2 miles)?

    42.2 km

  3. The temperature of Liquid Helium is 4 K, express this in degrees Celsius and degrees Fahrenheit.

    -269.15 °C
    -452.47 °F

  4. The temperature of Liquid Nitrogen is 100 K, express this in degrees Celsius and degrees Fahrenheit

    -173.15 °C
    -279.67 °F

  5. The temperature of dry ice is -56.5° Celcius, express this in kelvins and degrees Fahrenheit

    216.65 K
    -69.7 °F

  6. Human body temperature is 98.6° Fahrenheit, express this in degrees Celsius and kelvins

    37 °C
    310.15 K

  7. The Exxon Valdez spilled about 1 billion gallons of oil, how many liters is this?

    3.8 x 109 l

  8. The volume of a milk carton is 1/2 gallon. How many liters and milliliters is this?

    1.89 L
    1892 mL

  9. The volume of the milk used for school lunch is 1/2 pint. How many liters and milliliters is this?

    0.236 L
    236 mL

  10. The distance to the moon is 238,855 miles. How many meters is this?

    3.84401 x 108 m

  11. The distance from your nose to your fingertips with your arm stretched out is about 1 yard. How many meters is this? How many cm? How many mm?

    0.9144 m
    91.44 cm
    914.4 mm

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Please send comments or suggestions to svanbram@science.widener.edu

Scott Van Bramer
Department of Chemistry
Widener University
Chester, PA 19013

© copyright 1996, S.E. Van Bramer
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Last Updated: Monday, June 24, 1996 7:30:11 PM