How many atoms are in 1.3 moles of copper

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

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?