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Description: Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 4 Chemistry: Problems and Transformations • Chapter 3 Math Skills Lessons

Mcgraw Hill Worksheet Answers

Mcgraw Hill Worksheet Answers

Potassium Hydroxide, Product KOHC Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Water, Reactants H2O Potassium, K Math Skills Transparency Masters Chemistry: Substance and Change • Chapter 3 3 Name Date Class Math Skills Transparency Functions 2 Visualizing Use with Chapter 3, Conservation of Groups 3.21. How many atoms of potassium are there in the reactants of the reaction shown? How much in the product? 2. How many oxygen atoms are in the reactants of the reaction shown? How much in the product? 3. How many hydrogen atoms are in the reactants of the reaction shown? How much in the product? 4. Remember that the chemical reaction observed was started with all 15 grams of potassium and water. How much potassium hydroxide and hydrogen gas will be produced from the reaction? Show your work. 5. Note that the observed reaction starts with 6 atoms of potassium and 6 molecules of water. How many molecules of potassium hydroxide will be produced by the reaction? How many hydrogen atoms will appear? Imagine you are working with a chemical reaction that decomposes water in Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. hydrogen and oxygen. You start with 36 grams of water and end up with 32 grams of oxygen. If all the water decomposes, how many grams of hydrogen gas? Suppose you are working with a reaction that produces sodium and chlorine salts. You start with 70.9 g of chlorine. You synthesize 116.90 grams of salt. If all the reactants are used, how many grams of sodium will you start with? Worksheet 2 Interpretation and Drawing Use with Chapter 2 Visual Use with Chapter 3 Chapter 2.4 Protecting Groups Chapter 3.2 1. What does the picture look like visually? The map is a cookie map. 1. How many potassium atoms are in the reactants of the reaction shown? How much in the product? 2; 2 2. What is a circle? The circle represents all people aged 18-21 who answered 2. How many oxygen atoms are there in the reactants of the reaction shown? How much in the product? 2; 2 documents. 3. How many hydrogen atoms are in the reactants of the reaction shown? How 3. According to the data, what percentage of people between the ages of 18 and 21 see themselves as much in the product? 4; 4 Republicans? According to the Democrats? 4. Assuming that the anti-drugs found all started with 15 grams of potassium, 19% identify as Republicans. 25% consider themselves Democrats and water. How much potassium hydroxide and hydrogen gas will be produced from the reaction? Share your work. 4. People between the ages of 18 and 21 most often say they belong to which age group? The equipment is huge; Most users (50%) of 18- to 21-year-olds say they are independent. If the reactants are 15 g, the product will be 15 g. 5. The information on the right shows political support. 6 water molecules. How many molecules of potassium hydroxide would be produced to make a graph comparing political participation with population reaction percentages? How many hydrogen atoms will be formed? Participation of 18- to 21-year-olds identified with participation in the group of reactants. A large part of the population. The paper will contain 6 molecules of potassium hydroxide and 12 atoms of hydrogen. Appropriateness of your report Republican 25 6. Imagine you are working with a reaction that turns water into water Students can picture Democrat 31 hydrogen and oxygen. You start with 36 grams of water and end up with 32 grams of oxy- which captures two colors: one to gen. If all the water decomposes, how many grams of hydrogen gas? Representing the Freedom 36 group of 18- to 21-year-olds and Reactants. Great things to represent the people. mass water; mesohydrogen; Massoxygen other parties 8 Masshydrogen ;Masswater ; Massoxygen Masshydrogen ; 36 grams; 32 g; 4 gMath Skills Transparency Worksheets Answer key Source: The Economist, July 15, 2000 7. Imagine you are working with a salt solution. by sodium synthesis Use the diagram you made in question 5 to answer the following questions. and chlorine. You start with 70.9 g of chlorine. You synthesize 116.90 grams of salt. How many grams of sodium will you start with if all the reactants are used? 6. How do you draw? mass reactants; Answer Mass may vary, but a diagram would be a clear way to represent Masssodium. massive chloride; Equivalent to mesodium chloride data. Large amounts of sodium; mass of sodium chloride; mass sodium chloride mass sodium; 116.9 grams; 70.9 grams; 46 G 7. Compare the views of the general population with those of 18- to 21-year-olds. How does he look? How are they different? Both groups were similar in terms of support: most said they were independent; However, a small percentage of the population say they are independent. 8. What is the biggest difference between the views of the general public and those aged 18 to 21? The biggest difference is the decline in the percentage of people in the population who say they are independent. 2 Chemistry: Matter and Change • Chapter 2 Math Skills Transparency Worksheets 4 Chemistry: Matter and Change • Chapter 3 Math Skills Transparency Worksheets Copyright © Glencoe/McGraw-Hill, an of The McGraw-Hill Companies, Inc. Division.

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