Esters are usually synthesized from an alcohol and an acid, most frequently, a carboxylic acid. In some cases, an epoxide is used instead of the alcohol; or an acid halide or anhydride replaces the ...

A seed crystal can be dropped into a saturated solution of sodium acetate. The solution will suddenly crystallize and turn to solid. Alternately, the solution may be slowly poured out onto a seed ...

told CNA she believes “this is the first study that shows the possibility of using [ulipristal acetate] for abortion” but that “just looking at the chemical structure, it has a structure ...

Commercial heat packs (containing iron and water, or supersaturated sodium acetate) and cold packs (various ammonium salts) can be used to show exo- and endothermicity. Heat packs that contain iron ...

The Vatican and the U.S. Conference of Catholic Bishops have warned for years that emergency contraceptives could induce abortions in early pregnancies, which pharmaceutical companies have ...