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14 Cards in this Set
- Front
- Back
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Anything that has mass and takes up volume
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Matter.
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A ____ substance is composed of a single component and has a constant composition, regardless of sample size and origin of the sample.
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Pure Substance.
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A______ is composed of more than one component. The composition of this can vary depending on the sample.
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Its a freaking Mixture.
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A ______ is a pure substance that cannot be broken down into simpler substances by a chemical reaction.
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Element.
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A ______ is a pure substance formed by chemically combining two or more elements.
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Compound
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Significant Numbers are...
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Irrelevant.. better look it up though since we wasted time on it in class. Page 11. ;)
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When gas particles collide with the walls of a container, they exert a ______.
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Pressure
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Gas that states: For a fixed amount of gas at a constant temperature, the pressure and volume of a gas are inversely related.
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Boyles law
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As we breath air is inhaled and expired into the lungs as the rib cage and diaphragm expand and contract. This is an example of what gas law?
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Boyle's Law and dont you forget it.
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All gases expland when they are heated and contract when they are cooled, what gas law explains this?
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Charle's law: Fixed amount of gas at constant pressure, the volume of gas is proportional to its Kelvin temp.
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Warm air expanding and rising in the atmosphere is an example of what gas law?
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Charles's law
Charles also said survival of the fittest, but that was a different Charles, so remember this if you want to survive. |
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If you have a fixed amount of gas at constant volume and increase the temperature, what will happen to the pressure?
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Pressure will increase, just like a pressure cooker.
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pH= ???
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-log[H3O+]
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a small difference in pH translates to a large change in H3O+ concentration? (T/F)
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True.
i.e. a difference of one pH unit means a ten-fold difference in H3O concentration. |
