One atom of silicon can properly be combined in a compound with
a. two atoms of oxygen.
b. three atoms of hydrogen.
c. one atom of chlorine.
d. four atoms of calcium.

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both