A sample of gas has a volume of 5.0 L when at a temperature of 320 K and a pressure of 2 atm. How many moles are there of this gas?

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

Which statement best explains the relationship between an area is geography and the temperature of its surface water

Which sample at stp has the same number of atoms as 18 liters of ne at stp