CHEMISTRY NAME PER SKILL 3 DIMENSIONAL ANALYSIS (KEY)

17TH CHEMISTRY OLYMPIAD OF THE BALTIC STATES RIGA LATVIA
1800AJ VHFREED CHEMISTRY OF HERBICIDES & PESTICIDES AND THEIR
19 FULL PAPER AUSTRALIAN JOURNAL OF CHEMISTRY TOWARDS THE

1ST 9 WEEKS PREIB PREAP CHEMISTRY FALL 2011
1ST INTERNATIONAL DAYS OF ORGANOMETALLIC CHEMISTRY AND CATALYSIS JICOC
2 CHEMISTRY 505 ALLIED HEALTH CHEMISTRY II SYLLABUS SUMMER

Skill 3: Dimensional Analysis

CHEMISTRY

Name:____________________

Per:_____

Skill 3: Dimensional Analysis (Key)


Directions: Show your cancellation for each step.


1. 735 cm3 = ? Liters

735 cm3 X 1 mL X __1 L__ = 735 L = .735 L

1 1 cm3 1000 mL 1000


2. 98 m2 = ? micrometers2

98 m2 X 1,000,000 µm X 1,000,000 µm = 98,000,000,000,000 µm2

1 1 m 1 m


3. 48 gal = ? mL

48 gal X 3.7 L X 1000 mL = 177,600 mL

1 1 gal 1 L


4. 876 yards3 = ? mm3


876 yd3 X _3 ft_ X _3 ft_ X _3 ft_ X 30.5 cm X 30.5 cm X 30.5 cm

1 1 yd 1 yd 1 yd 1 ft 1 ft 1 ft


X 10 mm X 10 mm X 10 mm = 6.71 X 1011 mm3

1 cm 1 cm 1cm

5. 45 kg = ? lbs

45 kg X 1000 g X _1 lb_ = 45000 lb = 99.12 lbs

1 1 kg 454 g 454


6. 45 mm2 = ? in2

45 mm2 X _1 cm_ X _1 cm_ X __1 in__ X __1 in__ = .0698 in2

1 10 mm 10 mm 2.54 cm 2.54 cm


7. 62.4 lbs/ft3 = g/mL

62.4 lb X 454 g X __1 ft__ X __1ft__ X __1 ft__ X 1 cm3 = .998g/mL

1 ft3 1 lb 30.5 cm 30.5 cm 30.5 cm 1 mL


8. 90 km/hr = miles/sec

90 km X _1 mi_ X _1 hr_ X _1 min_ = _90 mi_ = .015625 mi/s

1 hr 1.6 km 60 min 60 sec 5760 s


9. 23.4 lbs/in2 = ? g/km2

23.4 lb X 454 g X __1 in__ X __1 in__ X 100 cm X 100 cm X

1 in2 1 lb 2.54 cm 2.54 cm 1 m 1 m


1000 m X 1000 m = 1.647 X 1013 g/km2

1 km 1 km


20 SEPTEMBER 2005 G436 BIOGEOCHEMISTRY ASSOC PROF
2005 CHEMISTRY SELFAUDIT CHECKLIST PAGE 1 OF 2 DATE
2005 CHINAJAPANKOREA SYMPOSIUM ON ENVIRONMENTAL ANALYTICAL CHEMISTRY SEPTEMBER 1


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