Academc Chemistry Name:
Period Date:
Complete the following practice problems. Please shows all work and units for full credit.
Perform each metric-metric conversion: (memorize the prefixes on SI prefix sheet)
1. ______m = 4 km
2. ______cm = 8 m
3. ______m = 40 mm
4. ______kg = 800.0 g
5. ______g = 2500 µg
6. ______kg = 456 mg
7. ______mL = 0.048 L
8. ______dL = 669 mL
9. ______L = 64 dL
10. ______nm = 50 x 10-6 m
Square and Cubic Conversions: (remember to square or cube number in conversion factor)
11. ______cm3 = ______mL = ______L = 1.0 cc
12. ______cm3 = 0.5 m3
13. ______ft3 = 8.8 x 106 in3
14. How many mm2 are there in one square kilometer?
SI (metric)-English Conversions:
15. ______ft = 2.0 in
16. ______mi = 1.5 km
17. ______cm = 12 in
18. ______kg = 140 lbs
19. ______gal = 0.45 L
20. ______mm = 4.9 x 10-4 in
21. ______gal = 2.85 x 10-2 L
Derived Units
22. A car is going 60.0 MPH. How fast is that in ft/sec?
23. A car is going 62.0 MPH. How fast is that in kilometers per hour?
24. Express the volume of a 22.4 L contained in milliliters and cubic centimeters.
Density Problems: ( D = M/V)
25. An object has a mass of 6.8 grams and occupies 2.0 mL. Find its density.
26. A liquid has a density of 1.30 g/cm3 and a volume of 9.25 mL. Find its density.
27. A liquid has a density of 0.79 g/mL and a mass of 15.633 grams. Find its volume.
28. Mercury has a density of 13.6 g/cc. What is that in pounds/gal?
29. The density of lead is 11.4 g/cc. What is the mass of a block of lead 2 cm x 10 cm x 4 cm?
30. How many liters of water could you fit into a container measuring 10.0 ft x 13.0 ft x 8.00 ft?
31. The density of gasoline is 720 g per liter. What is the mass of a jar of gasoline 3 cm x 4 cm x 5 cm?
32. How many liters of water could you fit into a hot tub that measures 1.50m deep and 3m in diameter? (1 m3 = 1000 L)
32. Predicting Outcomes Three liquids and four solids are placed in a 100 mL graduated cylinder. They arranged themselves from top to bottom according to their densities. Given the following density information, identify the position of the liquid or solid in a graduated cylinder. (assume a. is at the top, and g. is at the bottom) Data Table
a. ______
b. ______
c. ______
d. ______
e. ______
f. ______
g. ______