Which phases can coexist at equilibrium at point A on the phase diagram? A. solid and gas
B. gas and liquid
C. liquid and solid
D. solid, liquid and gas

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Avariable that is not being directly tested during an experiment should be

Word equation for k(s) +h2o(l) yield koh (aq) + h2