A 10-liter container has 2 moles of oxygen at a pressure of 92 kPa. The effective speed (rms) of the

A 10-liter container has 2 moles of oxygen at a pressure of 92 kPa. The effective speed (rms) of the oxygen molecules in the gas is:________
a) 534 m/s
b) 208 m/s
c) 375 m/s
d) 441 m/s