Why is a solution of 4% acetic acid in 95% ethanol used to wash the crude aldol-dehydration product? (b) the choice of an appropriate solvent is crucial for a successful recrystallization. describe how you will determine the proper recrystallization solvent for your product in project 11.1?
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Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.
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The ammonia molecule in the diagram has the observed bond orientation because
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Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
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Why is a solution of 4% acetic acid in 95% ethanol used to wash the crude aldol-dehydration product?...
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