The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. The initial pressure and temperature are 1.07 atm and 275 K. The final pressure is 4.00 atm.
(a) Is the gas monatomic, diatomic, or polyatomic?
(b) What is the final temperature? ___ K
(c) How many moles are in the gas? ___ moles