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Chemistry - Unit 1 - Worksheet 6: Dimensional Analysis

This document is a chemistry worksheet that provides dimensional analysis practice problems. It contains 14 multi-step conversion problems involving units such as meters, grams, milliliters, seconds, and more. It also includes 8 word problems applying dimensional analysis to real world scenarios around nickels, chili recipes, football fields, and chloroform volume. The goal is to use factor-label methods to make unit conversions and calculations between different systems of measurement.

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Jacobsen MaKyna
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5K views2 pages

Chemistry - Unit 1 - Worksheet 6: Dimensional Analysis

This document is a chemistry worksheet that provides dimensional analysis practice problems. It contains 14 multi-step conversion problems involving units such as meters, grams, milliliters, seconds, and more. It also includes 8 word problems applying dimensional analysis to real world scenarios around nickels, chili recipes, football fields, and chloroform volume. The goal is to use factor-label methods to make unit conversions and calculations between different systems of measurement.

Uploaded by

Jacobsen MaKyna
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOC, PDF, TXT or read online on Scribd
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Name

Date Pd

Chemistry – Unit 1 - Worksheet 6


Dimensional Analysis
Use the factor-label method to make the following conversions. Remember to use the
appropriate number of sf’s in your answer.
Part 1 1m
 0.74 meters
1. 74 cm x 100 cm

1000 g
2. 8.32 x 10-2 kg x 1kg
 83.2 grams

3. 55.5 mL x 1 cm 3
 55.5 cm 3
1mL

4. 0.00527 cal x 1 kcal


 5.27 x 10  6 kcal
1000 cal

5. 9.52 x 10-4 m x 10 6  m
 9.52 x 10 2 micro meters (  m)
1m

1L
6. 41.0 mL x  0.0410 L
1000 mL

7. 6.0 x 10-1 g x 10 3 mg
 6.0 x 10 2 mg
1g

8. 8.34 x 10-9 cg x 1g
 8.34 x 10 11 g
2
10 cg

9. 5.0 x 103 mm x 1m
 5.0 m
10 3 mm

10. 1 day x 24 h
x
60 min
x
60 sec
 86,400 sec onds
1 day 1h 1 min

11. 5 x 104 mm x 1m
x
1 km
 5 x 10  2 km
3
10 mm 10 3 m

12. 9.1 x 10-13 kg 10 3 g 10 9 ng x


x  9.1 x 10 1 ng
1 kg 1g

13. 1 year x 365 days 24 hr


x  8760 hr
1 year 1 day

Modeling Chemistry 1 U 1 ws 6 v2.0


14. 4.22 cL x 1L 10 3 mL
x  4.22 x 101 mL
10 2 cL 1L

5280 ft 12 in
15. 1 mile x x  63,360 in
1 mile 1 ft

Part 2
1. How many nickels could you trade for 250 yen? $1 = 150 yen.
$1 20 nickels
250 yen x x  33.3 nickels  33 nickels ( 2 sig . figs.)
150 yen $1

2. Your school club sold 600 tickets to a chili supper. The chili recipe for 10 persons requires 2
teaspoons of chili powder? How many teaspoons of chili powder will you need altogether?

1 person 2 tsp chili


600 tickets x x  120 tsp chili powder
1 ticket 10 persons

3. How many cups of chili powder will you need? Three teaspoons (tsp) equal one tablespoon
(TBS) and 16 tablespoons equal 1 cup.

1TBS 1 cup
120 tsp x x  2.5 cups chili powder
3 tsp 16 TBS

4. How many seconds in a year? (assume 30 days in an average month)


12 mo 30 days 24 h 60 min 60 sec
1 yr x x x x x  3.11 x 10 7 seconds
1 yr 1 mo 1 day 1h 1 min

5. Chloroform is a liquid once used for anesthetic. What is the volume of 5.0 g of chloroform.
The density of chloroform 1.49 g/mL

1 mL
5 .0 g x  3.36 mL
1.49 g

6. How many inches long is a football field?

3 ft 12 in
100 yds x x  3600 in
1 yd 1 ft

7. How many m3 is 4.6 cm3.? Express your answer in scientific notation.

1m3
4.6 cm 3 x 2 3
 4.6 x 10  2 m 3
10 cm

8. How many mg is 59.0 kg? Express your answer in scientific notation.

10 3 g 10 3 mg
59.0 kg x x  5.9 x 10 7 mg
1 kg 1g

Modeling Chemistry 2 U 1 ws 6 v2.0

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