Prentice Hall Chemistry Chapter 15: Water and Aqueous Systems 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. What is the equation used for determining molarity?

Question 2 2. What is the difference between a hydrate and an anhydrate?

Question 3 3. A heterogeneous mixture is:

Question 4 4. Water's ability to move against gravity in a narrow space, such as a tube, is called:

Question 5 5. What is the best definition of a solution?

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Question 6 6. What happens to substances in a heterogeneous mixture after they are mixed?

Question 7 7.

Which of the following concepts help explain why water can travel up a narrow tube?

I. Cohesion

II. Adhesion

III. Specific Gravity

Question 8 8. In the formula MgSO4 nH2 O, what does the n before the H2 O stand for?

Question 9 9. If there are three moles of H2 O for every one mole of LiClO4, then what is the hydrate formula?

Question 10 10. Which of the following properties helps explain why a city near the Pacific Ocean experiences less dramatic changes in temperature during the day compared to a city farther inland?

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Question 11 11. Why is solid water (ice) less dense than liquid water?

Question 12 12. What is a solute?

Question 13 13. If you put sand in water the sand will settle to the bottom of the container over time. The sand can also be filtered out of the water. What kind of mixture is this?

Question 14 14. What is the hydrate formula when there are 0.02 moles BaCl2 and 0.04 moles H2 O?

Question 15 15. What is the equation used to determine the mass percent of a solute in a solution?

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Question 16 16.

Which of the following statements accurately describe ice:

I. Ice is denser than water.

II. Hydrogen bonds hold ice molecules closer together than they do liquid water molecules.

III. Ice has a crystalline structure.

Question 17 17. How many types of heterogeneous mixtures are there?

Question 18 18. What is NOT a step in determining the formula of a hydrate?

Question 19 19. Mayonnaise contains particles mixed together that do not settle out but can be separated by chemical means. What is mayonnaise?

Question 20 20. What is an electrolyte?

Prentice Hall Chemistry Chapter 15: Water and Aqueous Systems 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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