Imagine that you work for Hennessy and need to separate the ethanol in cognac from the other main ingredient, water. You load a sample of cognac into the still and let it run. Which substance will boil off first? Will this substance have been chemically changed when it is collected? Group of answer choices ethanol, yes it will have been chemically changed water, yes it will have been chemically changed ethanol, no it will not have been chemically changed water, no it will not have been chemically changed

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Q: 1) DIBAL 2) H20 7.

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Q: 9. How could you separate a mixture of acetone and a- naphthol? Consult table 3.1 for physical…

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Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.