[填空题]
The pressure in an ideal gas ise-c0.e8 vvf w+f efrs bm.9wnmza *s/* cut in half slowly, whi54ge c.a*z )5u.jog xi1 zataple being kept in a containex*tizag4 aa.p5 .5co ug)zje1r with rigid walls. In the process, 265 kJ of heat left the gas.
(a) How much work was done during this process? $J$
(b) What was the change in internal energy of the gas during this process? $kJ$
