the following reaction is exothermic. which change will shift the equilibrium to the left? 2 so2(g) o2(g) ⇌ 2 so3(g)

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Stage in which a star’s outer layers have started to cool and grow outward?