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23 Cards in this Set
- Front
- Back
Which of these areas of chemistry would require the most extensive mathematical background?
Analytical Organic Inorganic Physical Biochemical |
Analytical
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A hypothesis is a:
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descriptive model for observations
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Which of the following is a significant contributor to the greenhouse effect?
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Carbon Dioxide
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When there is a change in ___, chemistry is involved.
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Composition
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An important characteristic of an accepted scientific theory is that ___.
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It can be disproved at any time.
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Most of the world's energy is supplied by:
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the sun
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Previous periods of history were known as the stone age, the iron age and the bronze age. The modern world is primarily the ___ age.
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plastics
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Amino acids, proteins, DNA would be suitable topics in a ___ book.
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biochemistry
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CFC's were banned because they have been linked to the damage of :
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the ozone layer
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The answers to odd-numbered problems in the chemistry text are found in appendix:
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C
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A scientific field is distinguished from a nonscientific field by the:
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repeatability
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The use of chemicals called pheromones to help in pest eradication is better than insecticides because they are:
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specific
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The chemical equation for photosynthesis involves ___ substances that are in the gas phase.
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2
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Peat is..?
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a potential source for petroleum
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Who noticed that infectious bacteria failed to grow on portions of a bacterial culture where mold was growing?
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Alexander Flemming
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Whose law summarizes what happens when a sealed, gas-filled container is heated?
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Gay-lussac's
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The pressure of gas is directly proportional to the ___ temp at constant value
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kelvin
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abscissa
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to cut from ordinate
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X value is the ___ variable
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control
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k=constant=
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y/x
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k of hyperbola:
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xy
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powercurve formula:
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k=y/x squared
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Laws of Thermo-Dynamics
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1. electrons are the conductor of heat
2. electrons are waves 3. quantum fields (law of quantum mechanics) |