What are the boiling point and freezing point of a 0.781 m aqueous solution of any nonvolatile, nonelectrolyte solute?

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg

To prevent the presence of air, noble gases are placed over highly reactive chemicals to act as inert "blanketing" gases. a chemical engineer places a mixture of noble gases consisting of 4.37 g of he, 13.36 g of ne, and 36.65 g of kr in a piston-cylinder assembly at stp. calculate the partial pressure in torr of kr.

What 3 categories are elements divided