A (0.65) mole quantity of (O₂) originally at (85°C) is cooled such that it now occupies (4.0 L) at (20°C). What is the final pressure exerted by the gas?
a. (1.08 , atm)
b. (2.17 , atm)
c. (2.42 , atm)
d. (3.83 , atm)