how many molecules of carbon dioxide are produced when 67.9g of dicarbon hexahydride are reacting? SHOW ALL WORK PLEASE

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

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.

Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2