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

Question 2 2. Which of the following is equivalent to 20 milliliters (mL)?

Question 3 3. How many millimeters (mm) are there in 5 meters (m)?

Question 4 4.

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

1500 ÷ (750 × 13.45)

Question 5 5. Which of the following is NOT a state of matter?

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Question 6 6.

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 7 7.

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.

Question 8 8. 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 9 9. 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 10 10. Which of the following is the most heterogeneous mixture?

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Question 11 11. Alcohol and water are best separated from one another by:

Question 12 12. Which feature of the evaporating dish makes it effective in the evaporation process?

Question 13 13. What is the purpose of processing a substance with a mortar and pestle?

Question 14 14. Which of the following would be best used for swirling and mixing liquids?

Question 15 15. The density of mercury is 13.6 g/mL. What is its density in lbs/L? (Hint: 1 lb = 0.454 kg)

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Question 16 16. Which of the following is a conversion factor?

Question 17 17. Use dimensional analysis to convert 4 days into seconds.

Question 18 18. Both gases and liquids:

Question 19 19. What does it mean that matter is conserved in physical and chemical changes?

Question 20 20. Which of the following is a physical change?

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Question 21 21. What is the density of a solid that has a mass of 9.2 grams and a volume of 12.3 cm^3? Would this object float or sink in water?

Question 22 22. Which of the following is the closest to a mass of 500 mL of water?

Question 23 23. Which of the following are arranged from smallest unit to largest unit?

Question 24 24. Which of the following is a chemical property of the element hydrogen?

Question 25 25. _____ properties of matter can be determined without changing composition, while _____ properties of matter must change the composition of matter.

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Question 26 26. The ability of iron to react to oxygen is an example of _____

Question 27 27. What is the condensation point of water?

Question 28 28. 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?

Question 29 29. 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 30 30. How many significant figures are in 54,050?

Experimental Chemistry and Introduction to Matter 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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