根据同温同容下p1V2=P2V1V2=P2V1/P1=200/1=200立方米。即再充入199立方米空气即可。
(1) PV == n RT n == PV/RT(2)P ==200000pa v ==1000L R == 8.31 T == 273 + t (实验条件下的摄氏温度)