Which of the following is a heterogeneous mixture?
a. water in a swimming pool
b. sugar...
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How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene
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How are the terms group and period used on the periodic table
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Who examines and coordinates the cleanup of polluted sites?
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Why are enzymes important to cells? they bring about chemical reactions. they provide structural support. they form the two layers of membranes. they store large quantities of energy.
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