Study Guides - Cherokee County Schools

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Name Date Class 4 84 Dissolving Without Water <strong>Study</strong> Guide Dissolving Without Water Chapter 22 Directions: Find the mistakes in the statements below. Rewrite each statement correctly on the lines provided. 1. Water is sometimes referred to as the universal solvent because it is a large molecule and can fit easily among the molecules of many solutes. 2. Nonpolar materials have positive and negative areas. 3. Carbon and hydrogen atoms in hydrocarbon molecules share electrons unequally. 4. Nonpolar molecules such as oil, iodine, and nail polish dissolve easily in water. 5. Ethanol can dissolve iodine as well as water because it has two nonpolar ends. 6. A general statement describing what dissolves what is the phrase “Polar dissolves nonpolar.” 7. When working with nonpolar solvents, good ventilation is important because nonpolar solvents tend to evaporate more slowly than water, producing high concentrations of vapor. 8. Water-soluble vitamins, such as Vitamin A, can accumulate in our tissues and can be toxic in high concentrations. 9. Fat-soluble vitamins, such as Vitamin C, can be flushed out of the body before they can be used and therefore must be replaced constantly. 10. Water molecules are attracted by, and cling to, molecules of nonpolar solutes, making them sticky and slowing evaporation. Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. Name Date Class 1 <strong>Study</strong> Guide Chapter 23 Directions: Use the terms from the word bank to fill in the blanks in front of the correct phrases below. acids digestion hydronium ion ammonia dissociate hydroxide ion base drain cleaner indicator 1. used to make soap 2. one of our bodies’ uses of an acid 3. what acids and bases do in water 4. what is produced when a base dissociates 5. a base with no hydroxide ion 6. what is produced when an acid dissociates 7. a home use of a base 8. used to make food taste sour 9. a compound that changes color in acid and base Directions: Fill in the chart with information from the chapter. 10. two acids in soft drinks 11. four acids in industry 12. three acids and a base used in fertilizers 13. five properties of bases 14. five properties of acids 15. five acids you may have eaten or drunk recently Acids and Bases Acids and Bases 85
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Study Guides - Cherokee County Schools

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