Chemistry IH:

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Chemistry IH

• Chapter 1 Intro To Chemistry

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What is Chemistry?

• The Study of stuff
• Stuff Matter

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What is Matter?

• Anything that
• Takes up space and
• Has mass

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FACT

• Chemistry underlies all life processes
• Digestion
• Photosythesis
• Breathing
• Gas exchange in blood stream
• Cellular respiration
• Etc.

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5 Areas of Study in Chemistry

• Organic Chemistry study of all chemicals
  containing carbon
• Ex hydrocarbons (fuels)

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5 Areas of Study in Chemistry (cont)

• 2. Inorganic Chemistry Study of chemicals that
  dont contain carbon

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5 Areas of Study in Chemistry (cont)

• 3. Biochemistry The study of the reactions that
  take place in living things .
• Ex digestion, photosynthesis

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5 Areas of Study in Chemistry (cont)

• 4. Analytical Chemistry studies the composition
  of matter
• Ex
• blood tests (hematocrit)
• Composition of drinking water

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5 Areas of Study in Chemistry (cont)

• 5. Physical Chemistry studies reactions energy
  transfers
• Ex studying factors that affect breathing rates
  during exercise

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Macroscopic v. Microscopic

• Macro- can be seen with the naked eye
• Micro- cant be seen with the naked eye

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Why Study Science?

• Explains our natural world!
• Prepares you for a career
• Medical
• Engineering
• Research
• Be informed how science affects your life

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Theory, Hypothesis, Law

• Scientific Hypothesis-prediction of the
  relationship between 2 variables

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Theory, Hypothesis, Law, cont.

• Scientific Theory Well-tested explanation for a
  broad set of observations
• Ex

Theory of Evolution Big Bang Theory
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Theory, Hypothesis, Law

• Scientific Law Summarizes observations and
  results of many experiments.
• Not disputed
• Do not change!

Ex Law of Gravity
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How Chemistry Is Changing Our World

• Energy
• Insulation batteries NASA
• biodiesel
• Medicine Biotechnology
• Aspirin, antibiotics
• DNA sequencing, cloning
• Agriculture
• Efficient use of land for growth
• Environmental protection
• Identifying pollutants
• Preventing pollution ex lead poisoning in paint
• Universe
• Probes to other planets