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Chapter 1

Chapter 1. Introduction to Chemistry. Chemistry—the study of:. Matter has mass takes up space. Chemistry—the study of. Matter Its composition. Chemistry—the study of. Matter Its composition Structure. Chemistry—the study of. Matter Its composition Structure Properties Intensive

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Chapter 1

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  1. Chapter 1 Introduction to Chemistry

  2. Chemistry—the study of: • Matter • has mass • takes up space

  3. Chemistry—the study of • Matter • Its composition

  4. Chemistry—the study of • Matter • Its composition • Structure

  5. Chemistry—the study of • Matter • Its composition • Structure • Properties • Intensive • Extensive

  6. Chemistry—the study of • Matter • Its composition • Structure • Properties • The changes it undergoes • Physical changes • Chemical changes • https://www.youtube.com/watch?v=w5Y452eiHC8

  7. Chemistry—the study of

  8. Chemistry and Matter Mass • Measurement • Amount of matter Weight • Measurement • Amount of matter • Effect of Earth’s gravitational pull on matter • Gravitational force varies

  9. Chemistry and Matter Branches of chemistry • Organic chemistry • Carbon-containing chemicals • Inorganic chemistry • Matter that does not contain carbon • Physical chemistry • Behavior and changes of matter and the related energy changes • Analytical chemistry • Components and composition of substances • Biochemistry • Matter and processes of living organisms

  10. Scientific Methods • Scientific method • Systematic approach • Research • Verify work of others • Results repeatable

  11. Scientific Methods • Steps • Observation • Qualitative data • Quantitative data • Hypothesis • Possible explanation of observation • Experiments • Controlled observations • Test hypothesis • Tests one variable at time • Independent variable • Dependent variable • Control • Conclusion • Analyzed data applied to hypothesis • Repeatable data

  12. Scientific Methods • Model • Visual, verbal, or mathematical explanation of experimental data • https://www.youtube.com/watch?v=GUQUqV0_PTc

  13. Scientific Methods • Theory • Explanation supported by experiments • Scientific Law • Relationship in nature • Supported by many experiments • No exceptions

  14. Scientific Research • Pure research • To gain knowledge • Applied research • To solve a specific problem • Chance discoveries • Nylon • First use in toothbrush • Replace silk in parachutes during WWII

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