1. A 10.0 L gas cylinder is filled with 7.00 moles of gas. The tank is stored at 13 °C . What is the pressure in the tank?
2. A 200. L kiln is used for vitrifying ceramics. It is currently operating at 1225 °C , and the pressure is 1.050 atm . How many moles of air molecules are within the confines of the kiln?
3. A 18.0 L gas cylinder has been filled with 4.80 moles of gas. You measure the pressure to be 4.40 atm. What is the temperature inside the tank?
Express your answer to three significant figures and include the appropriate units.