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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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Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.
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When 3.5 mol al react with 12.5 mol hcl, what is the limiting reactant and how many moles of h2 can...
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