1-propynyllithium reacts with (r, r)-2,3-dimethyloxacyclopropane in a stereoselective reaction. draw a curved arrow mechanism and the missing intermediate and product, clearly showing stereochemistry with a wedge and hashed bond at each stereocenter.

Enzymes affect the reactions in living cells by changing the

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid

28. which is not a reason that water is used to store spent fuel rods from nuclear power plants? water increases the speed of the chain reaction in the fuel rods. water protects nuclear power plant workers from the high temperature and radiation of the fuel rods. water acts as a radiation shield to reduce the radiation levels. water cools the spent rods. salts action