[填空题]
The pressure in an i -fr.r ;*1 nho+spqipideal gas is cut in half slowly, while beinyz -i )) tvtxf ;wl7p5+kwt4eog kept in a container4+owpk yz75tt xt)e-if) ;wlv 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? $kJ$
