Dimensional Analysis & Factor-Label method CHE 131/Sleckman

Conversion Factors:

  1. Are equal in magnitude in both the numerator and denominator.
  2. Unit of bottom(denominator) must cancel when factor is multiplied by given number.
  3. Unit of top(numerator) is expressed in the units desired.
  4. Quanities are obtained from conversion tables.
Perform each metric-metric conversion: (use table _______ on Page_______in text)

1.  4 km = ________m
2.  8 m = ________cm
3.  40 mm =_______m
4.  800.g = _______kg
5.  2500 kg. =________g
6.  456 mg = _______kg
7.  0.048 L = ________mL
8.  669 mL = ________dL
9.  64 hL = ________L
10. 50 X 10-6 m =__________nm

Cubic Conversions: (cube number in conversion factor)

11. cc = ________cm3 = _______mL = _________L

12. 0.5 m3 = _________cm3

13. 8.8 X 106 in3 = _________ft3

SI (metric)-English Conversions: (Use table_____ on Page_______)

14.  2.0 in = __________ft.

15.  1.5 km = _________mi.

16.  12 in = __________cm

17.  140 lbs. = __________kg.

18.  0.45 L = ________qt. = ___________gal

19.  4.9 X 10-4 in = ___________mm

20.  2.85 X 10-2 L = __________pints

Density Problems: ( D = m/V)

21. An object has a mass of 6.8 grams and occupies 2.0 mL. Find its density.
 
 
 
 

22. A liquid has a density of 1.30 g/cm3 and a volume of 9.25 mL. Find its mass.
 
 
 
 

23. A liquid has a density of 0.79 g/mL and a mass of 15.633 grams. Find its volume.
 
 
 
 
 

Temperature Conversions: [ TF = 9/5 Tc + 32 & TK = Tc + 273 ]

24.  20° C = _______°F

25. 32° F = _______°C

26. 212° F = _______°C

27. 25° C = ________°K

28.  50° F = ________°C = __________ °K

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