Purity and mixtures
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Last updated 6:46 PM on 4/29/25
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12 Terms
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Pure substance
Either a single element or a single compound
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Mixture
A combination of two or more substances that are not chemically combined
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Formulation
A mixture that has been designed for a specific purpose
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Melting/boiling point of pure substances
a single defined temperature
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Melting/boiling points of mixtures
a range of temperatures
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Melting point of pure water
0 °C
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Boiling point of pure water
100 °C
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Examples of formulations
Paint, processed food, fuels, cleaning products, cosmetics
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Test for purity
Test melting/boiling point
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Nanoparticles
lumps of substance that are 1
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Nanoparticles in formulations
Useful in formulations as you can use less
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Test if water is pure
test if boiling point is exactly 100 °C
Note 
Flashcards (130)