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Experimental Laboratory Chemistry: AP Chemistry Lesson Plans Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1.

An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid to the correct number of significant figures?

(density of the liquid = mass of the liquid divided by the volume of liquid)

Question 2 2. One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?

Question 3 3. What is the mass of a liquid with a density of 2.12 g/mL and a volume of 53.0 mL (to the nearest gram)?

Question 4 4. What is the purpose of processing a substance with a mortar and pestle?

Question 5 5. Which of the following would be best used for swirling and mixing liquids?

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Question 6 6. If you need to dispense a precise amount of volume, which instrument would you use?

Question 7 7. If you are driving at a speed of 55.0 miles per hour, then what is your speed in meters per second? (Hint: 1 mile = 1,600 meters.)

Question 8 8. Simge's guinea pig weighs exactly 560. grams. Which of the following most accurately expresses the weight of Simge's guinea pig in scientific notation?

Question 9 9. How many significant figures are in 54,050?

Question 10 10. When heating a solution, a _____ is the best option for highly flammable substances while a _____ is best when heating to extremely high temperatures.

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Question 11 11. Use dimensional analysis to convert 4 days into seconds.

Question 12 12. How many mL are in 3.4 L?

Question 13 13. Which of the following are arranged from smallest unit to largest unit?

Question 14 14. Which of the following is the closest to a mass of 500 mL of water?

Question 15 15. If you add 50.0 mL of water to a beaker containing 22 mL of water, then how much water do you have in the beaker?

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Question 16 16. What is the density of a solid that has a mass of 9.2 grams and a volume of 12.3 cm3 ? Would this object float or sink in water?

Question 17 17. Which of the following is a conversion factor?

Question 18 18. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg)

Question 19 19. Which feature of the evaporating dish makes it effective in the evaporation process?

Question 20 20.

The area of a rectangle can be found by multiplying its length by its width. What is the area of a rectangle that is 5.6 cm in length and 9.24 cm wide?

Report your answer with the correct number of significant figures.

Experimental Laboratory Chemistry: AP Chemistry Lesson Plans Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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