A rigid container holds 1.50 moles of H2(g) at a pressure of 0.500 atm. What mass of CO2(g) must be added to this container to increase the total pressure to 1.00 atm

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

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.

An experimental procedure requires a 10 ml of acid to be dissolved