Why is Coppernican Revolution significant check all that apply

Which is a characteristic of mixtures?

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 mmhg

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.