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CHAPTER 1 Introduction to Chemistry
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Chemistry is… The study of the composition of matter and the changes that matter undergoes
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1. Organic Chemistry Study of substances containing carbon For example, petroleum based products, fuels, etc
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2. Inorganic Chemistry Study of substances that do not contain carbon For example, rocks, precious metals, mining
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3. Analytical Chemistry Study of the composition of substances For example, finding small quantities of medication in blood
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4. Physical Chemistry Study of the behavior of chemicals For example, the stretching of nylon, bathing suits, chewing gum
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5. Biochemistry Study of the chemistry of living things For example, the process of digestion and respiration
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Applications of Chemistry: Materials Energy Medicine and biotechnology Agriculture Environment Astronomy
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CHEMISTRY is ALL AROUND You… You just need to learn how to look for it!!!
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The Scientific Method O bservation (use your senses) H ypothesis (proposed explanation for observation) E xperiment (test the hypothesis) C onclusion (what did you find?) Reject or support hypothesis? May need to revise hypothesis and re-experiment Communicate O.H.E.C. Not AGAIN!!!
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Laws and Theories Theory = an idea that is widely supported by scientific experimentation Can never be proven because it can always be challenged Gives one the power to predict the behavior of natural systems Law = concise statement that summarizes the results of many observations and experiments
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Scientific Method Worksheet Inference vs. observation Qualitative vs. quantitative Control vs variable
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Chapter 1 EOC Questions Page 25-27 # #16, 18, 22, 25, 29, 41 Mystery Cubes
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