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4d Date Laboratory Instructor tee Basic Laboratory Techniques Pre-lab Questions So You should be able to answer the following questions before beginning this experiment. What are the basic units of length, mass, volume, and temperature in the SI system? 1. .IT . T 2. What decimal power do the following abbreviations represent: (a) M, (b) k, (c) m, (d) n, and (e) u? 3. What is the number of significant figures in each of the following measured quantities: (a) 351 g, (b) 0.0100 mL, (c) 1.010 mL, and (d) 3.72x10cm? TE : What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? 4. -10 Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10m to mm, and (c) 325 mm to um. 5. 6. DNA is approximately 2.5 nm in length. If an average man is 5 ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man? 7. A liquid has a volume of 3.70 L. What is its volume in mL? In cm3? Copyright O 2018 Pearson Education, Inc. Basic Laboratory Techniques Why should you never determine the mass of a hot object? 8. Why is it necessary to calibrate a thermometer and volumetric glassware? 9. 2pindoo aeds dal- ite What is precision? 10. da sd bleode sof tos elds ginld 0p gaiwollo What is the density of an object with a mass of 1.583 g and a volume of 0.2009 mL? 11. object three times gave the following results: 9.2 g, 9.1 g, and 9.3 g. Find the Determining the mass of an mean mass and the average deviation from the mean. 12. sdt oi te dos nt 201 Normal body temperature is 37.0 °C. What is the corresponding Fahrenheit temperature? 13. 14. What is the mass in kilograms of 680 mL of a substance that has a density of 0.930 g/mL? 15. An object has a mass of exactly 5 g on an analytical balance that has an accuracy of 0.1 mg. To how many significant figures should this mass be recorded?

4d Date Laboratory Instructor tee Basic Laboratory Techniques Pre-lab Questions So You should be able to answer the following questions before beginning this experiment. What are the basic units of length, mass, volume, and temperature in the SI system? 1. .IT . T 2. What decimal power do the following abbreviations represent: (a) M, (b) k, (c) m, (d) n, and (e) u? 3. What is the number of significant figures in each of the following measured quantities: (a) 351 g, (b) 0.0100 mL, (c) 1.010 mL, and (d) 3.72x10cm? TE : What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? 4. -10 Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10m to mm, and (c) 325 mm to um. 5. 6. DNA is approximately 2.5 nm in length. If an average man is 5 ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man? 7. A liquid has a volume of 3.70 L. What is its volume in mL? In cm3? Copyright O 2018 Pearson Education, Inc. Basic Laboratory Techniques Why should you never determine the mass of a hot object? 8. Why is it necessary to calibrate a thermometer and volumetric glassware? 9. 2pindoo aeds dal- ite What is precision? 10. da sd bleode sof tos elds ginld 0p gaiwollo What is the density of an object with a mass of 1.583 g and a volume of 0.2009 mL? 11. object three times gave the following results: 9.2 g, 9.1 g, and 9.3 g. Find the Determining the mass of an mean mass and the average deviation from the mean. 12. sdt oi te dos nt 201 Normal body temperature is 37.0 °C. What is the corresponding Fahrenheit temperature? 13. 14. What is the mass in kilograms of 680 mL of a substance that has a density of 0.930 g/mL? 15. An object has a mass of exactly 5 g on an analytical balance that has an accuracy of 0.1 mg. To how many significant figures should this mass be recorded?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 100AE: The active ingredient of aspirin tablets is acetylsalicylic acid, which, has a density of 1.4 g/cm3....
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4d Date Laboratory Instructor tee Basic Laboratory Techniques Pre-lab Questions So You should be able to answer the following questions before beginning this experiment. What are the basic units of length, mass, volume, and temperature in the SI system? 1. .IT . T 2. What decimal power do the following abbreviations represent: (a) M, (b) k, (c) m, (d) n, and (e) u? 3. What is the number of significant figures in each of the following measured quantities: (a) 351 g, (b) 0.0100 mL, (c) 1.010 mL, and (d) 3.72x10cm? TE : What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? 4. -10 Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10m to mm, and (c) 325 mm to um. 5. 6. DNA is approximately 2.5 nm in length. If an average man is 5 ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man? 7. A liquid has a volume of 3.70 L. What is its volume in mL? In cm3? Copyright O 2018 Pearson Education, Inc.
Transcribed Image Text:4d Date Laboratory Instructor tee Basic Laboratory Techniques Pre-lab Questions So You should be able to answer the following questions before beginning this experiment. What are the basic units of length, mass, volume, and temperature in the SI system? 1. .IT . T 2. What decimal power do the following abbreviations represent: (a) M, (b) k, (c) m, (d) n, and (e) u? 3. What is the number of significant figures in each of the following measured quantities: (a) 351 g, (b) 0.0100 mL, (c) 1.010 mL, and (d) 3.72x10cm? TE : What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? 4. -10 Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10m to mm, and (c) 325 mm to um. 5. 6. DNA is approximately 2.5 nm in length. If an average man is 5 ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man? 7. A liquid has a volume of 3.70 L. What is its volume in mL? In cm3? Copyright O 2018 Pearson Education, Inc.
Basic Laboratory Techniques Why should you never determine the mass of a hot object? 8. Why is it necessary to calibrate a thermometer and volumetric glassware? 9. 2pindoo aeds dal- ite What is precision? 10. da sd bleode sof tos elds ginld 0p gaiwollo What is the density of an object with a mass of 1.583 g and a volume of 0.2009 mL? 11. object three times gave the following results: 9.2 g, 9.1 g, and 9.3 g. Find the Determining the mass of an mean mass and the average deviation from the mean. 12. sdt oi te dos nt 201 Normal body temperature is 37.0 °C. What is the corresponding Fahrenheit temperature? 13. 14. What is the mass in kilograms of 680 mL of a substance that has a density of 0.930 g/mL? 15. An object has a mass of exactly 5 g on an analytical balance that has an accuracy of 0.1 mg. To how many significant figures should this mass be recorded?
Transcribed Image Text:Basic Laboratory Techniques Why should you never determine the mass of a hot object? 8. Why is it necessary to calibrate a thermometer and volumetric glassware? 9. 2pindoo aeds dal- ite What is precision? 10. da sd bleode sof tos elds ginld 0p gaiwollo What is the density of an object with a mass of 1.583 g and a volume of 0.2009 mL? 11. object three times gave the following results: 9.2 g, 9.1 g, and 9.3 g. Find the Determining the mass of an mean mass and the average deviation from the mean. 12. sdt oi te dos nt 201 Normal body temperature is 37.0 °C. What is the corresponding Fahrenheit temperature? 13. 14. What is the mass in kilograms of 680 mL of a substance that has a density of 0.930 g/mL? 15. An object has a mass of exactly 5 g on an analytical balance that has an accuracy of 0.1 mg. To how many significant figures should this mass be recorded?
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