Explain how the total pressure of a mixture of gases is determined.

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

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

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.