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9 Cards in this Set
- Front
- Back
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Physical Property |
a property that can be measured and observed without changing the composition or identity of a substance (color, melting/boiling point) |
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Chemical Property |
a property that can only be observed when a chemical change takes place (Hydrogen gas burns in oxygen gas to form water) |
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What are some common examples of chemical changes? |
boiling an egg, digestion |
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All measurable properties fall into one of which two categories? |
Extensive properties and intensive properties |
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Extensive property |
A property that depends on how much matter is being considered. Values of the same extensive property can be added together (the length of two tennis courts is the sum of the lengths of each tennis court) |
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Mass |
the quantity of matter in a given sample of a substance (extensive property) |
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Volume |
length cubed (extensive) |
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Intensive Property |
a property that does not depend on how much matter is being considered and is not additive (e.g. temperature) |
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Density |
mass ÷ volume (intensive) |
