A 20.0 L gas cylinder is filled with 7.20 moles of gas. The tank is stored at 35 degree C. What is the pressure in the tank? Express your answer to three significant figures and include the appropriate units. A 200. L kiln is used for vitrifying ceramics. It is currently operating at 1235 degree C, and the pressure is 0 9250 atm How many moles of air molecules are within the confines of the kiln? Express your answer to three significant figures and include the appropriate units.