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CHEM 1010.001
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Chemistry:
The study of matter and it’s
properties.
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Matter:• Everything that has mass and occupies
space.
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Science:
• Study to organize and explain knowledge about us and our surroundings.
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Scientific Discipline:
• A branch of science limited in size
• Example: Chemistry
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Technology:
• Application of science to new products.
• This is where science touches your life.
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Chemical Technology
• Synthetic fibers
• Plastics
• Transportation– Fuels
• Paper
• Ink
• Film
• Skis
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Chemical Technology
• Boats
• Basketballs
• Bowling balls
• Musical instruments
• TV’s
• Toothbrush and toothpaste
• Detergents and shampoos
• Modern electronics
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Medicine
• How did George Washington die?
• He bled to death from a common cold!
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Scientific Method
1. PLAN(experimental
Design)
5. THEORY(validated
Hypothesis)
2. FACT(observation)
3. LAW(generalization)
4. HYPOTHESIS(tentative
Explanation)
EXPERIMENTATION
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Risk
• Chemo phobia – irrational fear of chemicals• Why?
– Irresponsible companies– Media
• Love Canal, NY and Times Beach, Missouri
• Fear of some chemicals is good, but not all– Dihydrogen monoxide (DHMO)
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Acceptable Risk?
• Smoking vs. living by a nuclear power plant
• Living by a nuclear power plant vs. high in the mountains
• Fear of flying
• Can control vs. can’t control
• Can’t avoid all risk
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Legislating Risk
• Risk based laws – FDA
• Balancing laws– Clean Air Act– Safe Drinking Water Act
• Technology based laws– Proposition 65 in California
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Controversy
• Animal experiments– Ethical?– Depend on how done?
• Cold fusion
• Greenhouse effect
• Cholesterol