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Experimental Chemistry and Introduction to Matter 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!

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Question 1 1. Which of the following is NOT a state of matter?

Question 2 2. How many grams (g) are in 3.5 kilograms (kg) of sugar?

Question 3 3.

Complete the following calculation and represent your answer in scientific notation and with the correct number of significant figures:

1500 ÷ (750 × 13.45)

Question 4 4. Which of the following is equivalent to 20 milliliters (mL)?

Question 5 5. How many millimeters (mm) are there in 5 meters (m)?

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Question 6 6. Which of the following is a conversion factor?

Question 7 7. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg)

Question 8 8. 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 9 9. An air conditioner and a refrigerator use a gas that easily converts to a liquid and back again. What part of both machines accomplish this?

Question 10 10. It is a very hot day. The weather forecast calls for a cold front to suddenly move through the area. What are you most likely to see first?

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Question 11 11. What is the condensation point of water?

Question 12 12. How would you best separate solid sugar from a solution of sugar water?

Question 13 13. Alcohol and water are best separated from one another by:

Question 14 14. You performed paper chromatography on some marker ink and found that one of the pigments had a retention factor of 0.25. The total distance the solvent traveled was 8.0 cm. How far did the pigment travel?

Question 15 15. How many mL are in 3.4 L?

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Question 16 16. Which of the following is the closest to the mass of 500 mL of water?

Question 17 17. Which of the following are arranged from smallest unit to largest unit?

Question 18 18. Which of the following is a chemical property of the element hydrogen?

Question 19 19. Ocean water is a good example of a mixture because _____

Question 20 20. Pure substances are further divided into elements and compounds. Which one best describes the rust found on a vehicle over time?

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Question 21 21. Which of the following is a physical change?

Question 22 22. Which of the following is an example of a chemical change?

Question 23 23. Both gases and liquids:

Question 24 24. 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?

Question 25 25. 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?

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Question 26 26. How many significant figures are in 54,050?

Question 27 27. When heating a solution, a _____ is the best option for highly flammable substances while a _____ is best for heating to extremely high temperatures.

Question 28 28. What is the purpose of processing a substance with a mortar and pestle?

Question 29 29. Which of the following would be best used for swirling and mixing liquids?

Question 30 30. One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?

Experimental Chemistry and Introduction to Matter Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next question. You can skip questions if you would like and come back to them later with the "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. You will lose your work if you close or refresh this page. Good luck!

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