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J. Landry Unit 1
Unit 1 Chemistry
| Question | Answer |
|---|---|
| Organic Chemistry | the study of all substances that contain carbon |
| Inorganic Chemistry | the study of substances without carbon |
| Analytical Chemistry | deals with determining the composition of substances |
| Physical Chemistry | determines the theoretical basis for chemical behavior |
| Biochemistry | studies the composition and changes within living organisms |
| Pure Chemistry | the study of chemical processes for the sake of the knowledge itself |
| Applied Chemistry | the study of chemical knowledge with the goal of applying it to a specific problem |
| Observations | recorded facts about a natural phenomenon |
| Hypothesis | a descriptive model for the observations made |
| Experiments | one ore more conditions are controlled to test the hypothesis |
| Theory | thoroughly tested hypothesis that explains why experiments give certain results |
| Law | a concise statement that summerizes the results of a wide variety of observations and experiments to describe natural phenomenon |
| Matter | anything that has mass and volume |
| Mass | the amount of matter that an object has |
| Weight | the amount of gravitational attraction for an object |
| Extensive Property | a property that depends on the amount of substance present, but not the type |
| Intensive Property | a property that depends on the type of matter present, but not the amount |
| Pure Substance | a particular kind of matter that has a uniform and definite composition; atoms and compounds |
| Physical Property | a characteristic of a substance that can be observed or measured without changing the substance's composition |
| Solid | state of matter with definite shape and volume |
| Liquid | state of matter with definite volume but no definite shape |
| Gas | state of matter with not definite shape or volume |