In what way did alchemists contribute to the development of modern chemistry?

a.) explained changes to matter in mystical, philosophical, or religious terms.
b.) created models of the internal structure of atoms.
c.) used experiments to analyze the relationship between gas pressure and volume.
d.) developed practical equipment, new procedures, and methods of identifying unknown substances

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.