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Chemistry 1.4 1.4 Chemistry

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**Problem Solving in Chemistry**

1.4 Shape-sorter toys fascinate young children. Typically, the children try placing a shape in different holes until they find the right one. The trial-and-error approach is one method of problem solving, but it is usually not the best one.

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**Skills Used in Solving Problems**

1.4 Skills Used in Solving Problems Skills Used in Solving Problems What is a general approach to solving a problem?

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**Skills Used in Solving Problems**

1.4 Skills Used in Solving Problems Effective problem solving always involves developing a plan and then implementing that plan.

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**Skills Used in Solving Problems**

1.4 Skills Used in Solving Problems Shopping involves problem solving skills. A shopper must make many decision. Some of those decisions are based on data, like the information on a food label.

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**Solving Numeric Problems**

1.4 Solving Numeric Problems Solving Numeric Problems What are the three steps for solving numeric problems?

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**Solving Numeric Problems**

1.4 Solving Numeric Problems The steps for solving a numeric word problem are analyze, calculate, and evaluate. This flowchart summarizes the steps for solving a numeric problem. Predicting In which step do you make a plan for getting from what is known to what is unknown?

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**Solving Numeric Problems**

1.4 Solving Numeric Problems Analyze To solve a word problem, you must first determine where you are starting from (identify what is known) and where you are going (identify the unknown). After you identify the known and the unknown, you need to make a plan for getting from the known to the unknown.

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**Solving Numeric Problems**

1.4 Solving Numeric Problems Calculate If you make an effective plan, doing the calculations is usually the easiest part of the process. Evaluate Check that your answer is reasonable and makes sense. Check that it has the correct unit and the correct number of significant figures.

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1.1

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**Figure 1.25 Map of Indianapolis**

1.1 Figure Map of Indianapolis Refer to this map of Indianapolis, Indiana, while you do Sample Problem 1.1. Interpreting Diagrams In the section of downtown bounded by north, east, south, and west streets, the main streets and avenues are named for states. What are the five exceptions to this pattern?

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**Solving Numeric Problems**

1.1 Solving Numeric Problems

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**Solving Numeric Problems**

1.1 Solving Numeric Problems

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**Solving Numeric Problems**

1.1 Solving Numeric Problems

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**Solving Numeric Problems**

for Sample Problem 1.1 Solving Numeric Problems Problem Solving 1.27 Solve Problem 27 with the help of an interactive guided tutorial.

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**Solving Conceptual Problems**

1.4 Solving Conceptual Problems Solving Conceptual Problems What are the two steps for solving conceptual problems?

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**Solving Conceptual Problems**

1.4 Solving Conceptual Problems The steps for solving a conceptual problem are analyze and solve. This flowchart shows the two steps used for solving a conceptual problem. Comparing and Contrasting With a conceptual problem, why is the second step called Solve rather than Calculate?

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**Solving Conceptual Problems**

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**Solving Conceptual Problems**

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**Solving Conceptual Problems**

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**for Conceptual Problem 1.1**

Problem Solving 1.29 Solve Problem 29 with the help of an interactive guided tutorial.

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1.4 Section Quiz 1.4

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1.4 Section Quiz 1. Effective problem solving always involves developing a plan and then evaluating the plan. doing calculations. making an estimate. implementing the plan.

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1.4 Section Quiz 2. During the analyze step for solving a numeric word problem, you make an estimate of the answer using correct units. rearrange an equation to solve for an unknown. identify what is known and unknown and make a plan. convert a measurement from one unit to another.

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1.4 Section Quiz 3. The steps for solving a conceptual problem are solve and evaluate. analyze, solve, and evaluate. analyze and solve. analyze, calculate, and evaluate.

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Chem ASAP Concept Map 1 Solve the Concept Map with the help of an interactive guided tutorial.

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END OF SHOW

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Chapter 1 – Introduction to Chemistry Section 4 – Problem Solving in Chemistry.

Chapter 1 – Introduction to Chemistry Section 4 – Problem Solving in Chemistry.

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