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Which one of the following solvents is commonly used in the extraction of and indicator from flowers?
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The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?
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Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
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Which compounds have the empirical formula ch2o? a. c2h4o2 b. c3h6o3 c. ch2o2 d. c5h10o5 e. c6h12o6
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Which one of the following solvents is commonly used in the extraction of and indicator from flowers...
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