The alchemical, medical, and technological traditions were precursors to chemistry. State a contribution that each made to the development of the science of chemistry. How did the phlogiston theory...

The alchemical, medical, and technological traditions were precursors to chemistry. State a contribution that each made to the development of the science of chemistry.

How did the phlogiston theory explain combustion?

One important observation that supporters of the phlogiston theory had trouble explaining was that the calx of a metal weighs more than the metal itself. Why was that observation important? How did the phlogistonists respond?