( 2.5 mi 1 ) ( 5280 ft 1 mi ) = 1.3 × 10 ft

CHEM 110 (BEAMER)
Last Name
Do Date
First Name
Lab Section (please circle)
M
W
PRACTICE HOMEWORK 13 – CONVERSION FACTORS 1
SINGLE STEP CONVERSION CALCULATIONS
General Information
 This Practice Homework Assignment should be completed by Monday (2/8).
 Do all of the Practice Homework assignments and bring them to class. Keep this in your class notebook.
 Remember that I can ask for any of the Practice Homework assignments at any time to grade.
Reading
 Class Notes: Notes-012
 Chapter 2.3 and Chapter 2.4. There are examples that will help, if the lecture was a bit confusing.
 Those of you who don’t know common English-English measurements, you may research those values from the
internet.
Questions

You must use dimensional-analysis format for these calculations. Do not use proportions.

Some of the conversion factors require that you use Appendix 1 and Appendix 2

Remember that some of these conversion factors must be memorized by the first quiz, and definitely by the first
exam.
Example)
How many feet are in 2.5 miles?
(
2.5 mi
5280 ft
) (
) =
1
1 mi
1.3 × 10
1)
How many inches are in 500.0 yards? (English-English Measurement)
2)
Convert 127.5 decimeters to millimeters.
4
ft
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CHEM 110 (BEAMER)
3)
Convert 1500.0 km to miles. (1 km = 0.621 mi)
4)
Convert 65.2 microseconds to seconds.
5)
Convert 52.531 liters to gallons. (1 gallon = 3.785 L)
6)
Convert 72.4 weeks to days.
7)
Convert 56.4 gigameters to meters.
8)
Convert 12,000 yards to meters. (1 meter = 1.09936 yd)
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