Chemistry Chapter 4 Notes
Chapter 4 Notes
Ch. 4 Problem Solving in Chemistry
4.1 What do I do now?
• Problem solving techniques
o Trial and error
• Often frustrating and unsuccessful
• Three Step Approach
o Step 1: Analyze
• Where you are starting, where you are going, and how to get there
• Could be helpful to break the problem smaller steps or draw a diagram
o Step 2: Calculate
• With good planning, calculations should be straightforward
o Step 3: Evaluate
• Does your answer make sense
• Check your work
4.2 Simple Conversion Problems
• Conversion Factors
o Useful to convert from one unit to another
• Dimensional Analysis
o Method for solving problems with units
4.3 More Complex Problems
• Multi step problems
o Using multiple conversion factors
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