Name:_________________________________________
Chemistry Ch.5 Review #2
Per._____
1. The kilogram is the SI unit for what quantity?
2. What would be the most appropriate metric unit to measure a. the length of a couch? b. the length of your ear?
3. Round 54,576.33 to four significant figures.
1.000 m = 39.37 in
1.00 km = 0.621 mi
1 mi = 5280 ft
1.00 yr = 365 days
1 in = 2.54 cm
Round answers to the correct significant figures and put answers into scientific notation. Show all work.
4. (4.140 X10-3)(3.299 X106) =
(7.0312 X102)
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5. Convert 42.8 L to ml
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6. Convert 14.5 cg to kg
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7. Convert 75 mi/hr to km/min
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8. Convert 6.19 g/m3 to kg/cm3
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9. What is 77.2 oF in oC and K?
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10. A metal has a density of 1.98 g/cm3. What is the volume of 0.283 kg of the metal? ______________________________________
11. Another metal has a density of 10.9 g/cm3. What is the mass of 2.3 X102 cm3 of the metal? _______________________________
Bonus: Convert 2.67 X103 mm/min to mi/year