Ch 1 Lecture
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CHE100

CHE100
Foundations - College Chem

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Ch 1 Lecture Presentation Transcript

  • 1. Introductory Chemistry: A Foundation, 6 th Ed. Introductory Chemistry , 6 th Ed. Basic Chemistry , 6 th Ed. by Steven S. Zumdahl & Donald J. DeCoste University of Illinois
  • 2.
    • Chapter 1 An Introduction
  • 3. Why Is Chemistry Important?
    • In our daily lives
      • New materials
      • New pharmaceuticals
      • New energy sources
      • Food supplies
      • Can you think of others?
  • 4. Why Is Chemistry Important?
    • In your education, chemistry helps you:
      • Learn to gather and organize information
        • qualitative and quantitative
      • Learn to find patterns in information
      • Learn to analyze complex systems
      • Develop skills to predict future events based on patterns of behavior
      • Develop problem-solving skills
        • systematic approach
  • 5. What Is Chemistry?
    • The science that deals with the materials of the universe and the changes these materials undergo
    • The central science
      • Understanding most other fields of science requires an understanding of chemistry
  • 6. Solving Problems Using a Scientific Approach
    • Define the problem
      • Gather information
      • Facts
      • Observations
    • Propose solutions
      • Organize information and look for patterns
      • Form hypotheses
  • 7.
    • Evaluate your proposed solutions
      • Test your patterns by using them to predict what will happen
      • Develop experiments
    Solving Problems Using a Scientific Approach (cont.)
  • 8. The Scientific Method
    • A process of studying natural phenomena that involves making observations, forming laws and theories, and testing theories by experimentation
  • 9. The Scientific Method (cont.)
  • 10. The Scientific Method (cont.)
    • While experimenting we may observe the same behavior all the time, and therefore be able to predict this behavior will always occur in the future
  • 11. The Difference Between a Theory and a Law
    • Law: a generally observed behavior, without explanation as to why the behavior occurs
    • Laws predict what will happen
    • Theories explain why something happens (which will also allow you to predict what will happen!)
  • 12. Best Approach to Learning Chemistry
    • Learn the vocab of chemistry
      • Definitions of terms
      • How common vocab is applied to chemistry
    • Memorize important information
      • e.g. Names, formulas, and charges of polyatomic ions
    • Learn and practice processes
      • Systematic names and formulas
      • Dimensional analysis
  • 13. Best Approach to Learning Chemistry (cont.)
    • Do end-of-chapter exercises to test your understanding and help you see the patterns
    • Ask questions in class