1.A helium filled ballon contains 125mL of gas at a pressure of 0.974atm. What volume will the gas occupy at standard pressure?
2. At Standard temperatur and pressure a gas has a volume of 275mL. The temperature is them increased to 130C, and the pressure is held constant. What is the new volume? Answer in units of mL.
3.The normal respiratory rate for a human being is 15.0 breathes per minute. The average volume of air for each breath is 505 cm3 at 20C and 9:95 X104Pa. What is the volume of air at STP that an individual breathes in one day?