The metal iridium (Ir, MM = 192.2 g/mol) crystalizes with a face centered cubic unit cell with an edge length of 383 pm. How many atoms are in the unit cell?

Which of the following contributes to the structural rigidity of cellulose? adjacent glucose polymers are stabilized by hydrogen bonding. glucose residues are joined by (α1→4) linkages. cellulose is a highly branched molecule. the conformation of the glucose polymer is a coiled structure.

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

How are evaporation and sublimation similar? a both involve the formation of a gas. b both release energy to the surroundings. c both take place throughout a solid. d both take place at the surface of a liquid.