| 1. | A pure substance, the only thing keeping her in the world.
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| 2. | It is a well-defined, chemically pure substance consisting of six linked glucose units.
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| 3. | :It is because 1 part in 1 is that pure substance.
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| 4. | :The answer is no, not for macroscopic amounts of a nearly pure substance.
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| 5. | By definition, properties of mixing are related to those of the pure substances by:
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| 6. | First only use isotopical pure substances best the pure elements.
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| 7. | It is also frequently used to define fundamental equations of state of pure substances.
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| 8. | It has been observed spectroscopically but has not been isolated as a pure substance.
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| 9. | :Yes, mixtures tend to have more phases compared to the pure substances, see Gibbs'phase rule.
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| 10. | Defining life is difficult in part because life is a process, not a pure substance.
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