CH1 - Chem 100 Introduction What is Chemistry? Chemistry...

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Dr. Anna Toy-Palmer 1 Chem 100 Introduction What is Chemistry? Chemistry studies matter, properties and how to manipulate these properties to create new matter What is a chemical? Examples: water salt natural gas (methane) Vitamin C Other examples??
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Dr. Anna Toy-Palmer 2 Chem 100 How does chemistry affect us? We can create new tools to improve the quality of life, for profit, for power, to satisfy our curiosity ice packs for injuries that don’t need to be pre- frozen, better materials for clothing (protection, decorations, etc.), medicines to help improve health, paints, cosmetics, fragrances Bombs, chemical weapons, air and water pollution, toxic waste products
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Dr. Anna Toy-Palmer 3 Chem 100 How does chemistry affect us? We need to understand chemistry in order to make knowledgeable decisions we need to learn the connections between the behavior of matter and the behavior of the particles that compose it To do this consistently, we need to understand the approach taken to observe what is around us, test our ideas about why we see what we do and ultimately be able to explain and predict future outcomes The Scientific Method
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Dr. Anna Toy-Palmer 4 Chem 100 Scientific Method is like everyday troubleshooting Suppose your car doesn’t start Observation Observation – observing/stating an event or phenomenon that happens in the outside world You think that the battery might be dead Hypothesis Hypothesis – untested idea/suggestion that may explain the observation What other hypotheses do you have to explain this observation?
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Dr. Anna Toy-Palmer
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This note was uploaded on 02/05/2011 for the course CHE M 100 taught by Professor Palmer during the Spring '09 term at CSU Northridge.

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CH1 - Chem 100 Introduction What is Chemistry? Chemistry...

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