Watch this video to observe a synthesis reaction, and then answer the questions that follow. Part A What are the reactants in the reaction? What are their properties? Perform a quick Internet search, if needed.

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?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

How does the presence of oxygen affect the chemical pathways used to extract energy from glucose?