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Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0 Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)

Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0 Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)

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 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0
Transcribed Image Text:Date Laboratory Instructor ebncidy Identification of Substances Pre-lab by Physical Properties Questions d H imly Sut1 Before beginning this experiment in the laboratory, you should be able to answer the following questions. List five physical properties. 1. eorw blop I hib cin Phing it sd 2. A 1.20 g sample of an unknown has a volume of 1.73 cm2. What is the density of the unknown? doid mulov st liquids at room temperature? (See Table 1.) Are the substances lauric acid and stearic acid solids or 3. Could you determine the density of bromoform using water? Why or why not? (See Table 1.) 4. What would be the boiling point of methylene chloride at 670 mm Hg? 5. Why do you calibrate thermometers and pipets? 6. 7. Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water? With ethyl alcohol? (See Table 1.) 4kemeat o AE 2018 Pearson Education, Inc. Copyright 0
Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)
Transcribed Image Text:Identification of Substances by Physical Properties 8. When water and bromoform are mixed, two layers form. Is the bottom layer water or bromoform? (See Table 1.) 9. What solvent would you use to determine the density of zinc chloride? ob 21 10. The density of a solid with a melting point of 42° to 44 °C was determined to be 0.87 ± 0.02 g/mL. What is the solid? ads d The density of a liquid whose boiling point is 55° to 57 °C was determined to be 0.77 + 0.05 g/mL. What is the liquid? 11. 8A 12. Which has the greater volume-10 g of hexane or 10 g of toluene? What is the volume of each? 2bipit bios nustase o 2 88 s4 E Yib obs er t on uD 1do enoivdihg toledt sd ow tas W2 ogi b eo o ob vil uw H0 urood thiakdiokM CTskdatspt)
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