Chapter 1 Matter and Change
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Chapter 1 Matter and Change
Section 1.1 Chemistry Is aPhysical Science
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Chemistry is the study of the composition, structure, and properties of matter, the processes that matter undergoes, and the energy changes that accompany these processes.
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Branches of Chemistry
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1. Organic chemistry—the study of most carbon- containing compounds
Branches of Chemistry
Friday, September 6, 2013
1. Organic chemistry—the study of most carbon- containing compounds
2. Inorganic chemistry—the study of non-organic substances, many of which have organic fragments bonded to metals (organometallics)
Branches of Chemistry
Friday, September 6, 2013
1. Organic chemistry—the study of most carbon- containing compounds
2. Inorganic chemistry—the study of non-organic substances, many of which have organic fragments bonded to metals (organometallics)
3. Physical chemistry—the study of the properties and changes of matter and their relation to energy
Branches of Chemistry
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4. Analytical chemistry—identifies the components and composition of materials
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4. Analytical chemistry—identifies the components and composition of materials
5. Biochemistry—the study of substances and processes occurring in living things
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4. Analytical chemistry—identifies the components and composition of materials
5. Biochemistry—the study of substances and processes occurring in living things
6. Theoretical chemistry—the use of mathematics and technology to understand the properties of new compounds
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What are chemicals?
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• A chemical is any substance that has a definite composition, such as:
What are chemicals?
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• A chemical is any substance that has a definite composition, such as:
• copper
What are chemicals?
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• A chemical is any substance that has a definite composition, such as:
• copper• water
What are chemicals?
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• A chemical is any substance that has a definite composition, such as:
• copper• water• sodium chloride (table salt)
What are chemicals?
Friday, September 6, 2013
• A chemical is any substance that has a definite composition, such as:
• copper• water• sodium chloride (table salt)• sucrose (table sugar)
What are chemicals?
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Water Copper Table Salt
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Top Five Chemicals Made in the United States
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Types of Scientific Research
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• Basic Research is done to increase our knowledge and understanding.
Types of Scientific Research
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• Basic Research is done to increase our knowledge and understanding.
• Applied Research is done to solve a specific problem.
Types of Scientific Research
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• Basic Research is done to increase our knowledge and understanding.
• Applied Research is done to solve a specific problem.
• Technological Development is done to create products that improve our quality of life.
Types of Scientific Research
Friday, September 6, 2013
• Basic Research is done to increase our knowledge and understanding.
• Applied Research is done to solve a specific problem.
• Technological Development is done to create products that improve our quality of life.
Note: these will often overlap!
Types of Scientific Research
Friday, September 6, 2013