Under which conditions of temperature and pressure is a gas most soluble in water?

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

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

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !