The PV diagram below shows what happens to 6.00 x 10 3 mol of ideal gas. Processes BC and DA take place at constant PV = pressure x volume. a Which process is isothermal expansion? a. AB b. BC c. CD d. DA e. not present. b) Which process is adiabatic compression? a. AB b. BC c. CD d. DA e. not present. C ) Which process is isobaric compression? a. AB b. BC C. CD d. DA e. not present. d) Calculate the work done by the gas in process AB. B 5.0 - A P (atm) PV=constant PV=constant C 1.0 -- - - D 0 3.0 6.0 15.0 30.0 V (m3)