KEY-FinalExamStudyGuide_Fall2013

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Name ___________________________ Date ___________________ Class __________________ 9. A container can hold 65 g of water. Circle the conversion factor needed to find the mass of water that 5 identical containers can hold. a. b. c. d. 5 containers 65 g water 1 container 65 g water 65 g water 1 container 65 g water 5 containers © Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved. Converting Between Units (pages 84–85) 10. Converting between units is easily done using ____________________________ dimensional analysis . 11. Circle the letter of the conversion factor that you would use to convert tablespoons to milliliters. 4 fluid ounces a. 1 tablespoon 1 tablespoon b. 4 fluid ounces 1 tablespoon c. 15 mL 15 mL d. 1 tablespoon 12. Show the calculation you would use to convert the following: a. 0.25 m to centimeters 100 cm 0.25 m _______________________________________ 1 m b. 9.8 g to kilograms 9.8 g 1 kg _______________________________________ 1000 g c. 35 ms to seconds 35 ms 1 s _______________________________________ 1000 ms d. 4.2 dL to liters 4.2 dL 1 L _______________________________________ 10 dL 13. Complex conversions between units may require using __________________________ more than one conversion factor. 14. How many conversion factors would you need to use to find the number of liters in a cubic decimeter? What are they? Three conversion factors are needed: 1000 cm 3 /1 dm 3 , 1 mL/1 cm 3 , 1 L/1000 mL Chapter 3 Scientific Measurement 27
Name ___________________________ Date ___________________ Class __________________ CHAPTER 3, Scientific Measurement (continued) 15. How would you calculate the number of nanometers in 8.1 cm? 8.1 cm 1 m/10 2 cm 10 9 nm/1 m 8.1 10 7 nm 16. What is the equivalent of 0.35 lb in grams? 0.35 lb 1 kg/2.2 lb 1000 g/1 kg 770 g 17. A scientist has 0.46 mL of a solution. How would she convert this volume to microliters? 0.46 mL 1 L/10 3 mL 10 6 L/1 L 460 L 18. Describe the steps you would use to solve this problem. In a scale drawing of a dining room floor plan, 10 mm equals 2 meters. If the homeowners wanted to purchase flooring that costs $10.89 per square yard, how much would they spend on flooring for the dining room? The dimensions of the dining room on the floor plan are 40 mm 32 mm. 1. Convert each dimension to meters, then to yards. 2. Multiply the lengths in yards to find the number of square yards. 3. Multiply by the cost per yard to find the total cost. 19. Name three common measurements that are expressed as a ratio of two units. speed, density, gas mileage 20. What technique can be used to convert complex units? Complex units can be converted using dimensional analysis. 21. A normal concentration of glucose, or sugar, in the blood is 95 mg/dL. How many grams of sugar would be present per liter of blood? Show the conversion factors you use. 95 mg/dL 10 dL/1 L 1 g/1000 mg 0.95 g/L 22. Replace each question mark in the table with the conversion factors needed to obtain the given units of density. Mass Volume Density kg ? 1000 g cm 3 1 m ? 3 1 kg 106 cm 3 g/m 3 1 m 3 g mm 3 ? 109 mm 3 g/m 3 23. A man can run a mile in 4 minutes. Calculate his average speed in kilometers per hour. Show your work. (1 mile 1.61 km) 1 mi/4 min 1.61 km/1 mi 60 min/1 h 24.2 km/h © Pearson Education, Inc., publishing as Pearson Prentice Hall. All rights reserved. 28 Guided Reading and Study Workbook
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KEY-FinalExamStudyGuide_Fall2013

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