One mole of an ideal gas is compressed from 40 L to 5 L against a constant external pressure of 3 atm at 298 K. Calculate work done (in L - atm). If work done is (w) L - atm, find out (w/5).
a) -330 L - atm, -66
b) 330 L - atm, 66
c) -330 L - atm, -165
d) 330 L - atm, 165