Ninety-nine percent of all the matter that can be abserved in universe exists as?

The conventional equilibrium constant expression (kc) for the system below is: 2icl(s) ⇄ i2(s) + cl2(g) [cl2] ([i2] + [cl2])/2[icl] [i2][cl2]/[icl]2 none of the listed answers are correct [i2][cl2]/2[icl]

Air can be considered a mixture. which statement does not explain why?

Which property of water causes water drops to bead on a freshly waxed car?