[填空题]
One and one-half moles of an ideal monatomic gas z-5h,- n zpwsby).(cp. xhg scexpand adiabatically, performinbh. s5, gcpz.- nxwy (zs-)hpcm 2 4c .:fo1vz*kcnwh7wz,gfdg 7500 J offzw v:hzdoc*f4m .2,c n7w1kg work in the process. What is the change in temperature of the gas during this expansion? $ K$
