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DEL../Y3/F4 DEL X2/Y3/F4 DEL Y3/F4 DEL /Y3/F4
X1 X2
(Xl,X2) (Xl,X2,X3,X4)
X1 X2 (X1,X2) (X1,X2,X3,X4)
DEL../Y3/F4 DEL X2/Y3/F4 DEL Y3/F4 DEL/Y3/F4
y3<y2<y1 y1<y2<y3 y2<y1<y3 y2<y3<y1
DEL../Y3/F4 DELX2/Y3/F DELY3/F4 DEL/Y3/F4
X1 X2 (X1,X2) (X1,X2,X3,X4)
Z.的化学式为XY3 若mg X2和ngY2恰好完全反应,则生成(m+n)gZ. 若X2和Y2的相对分子质量分别为M.和N.,则Z.的相对分子质量为(M+N) 若ag X2完全反应生成bgZ.,则同时消耗(a一b)g Y2
X2+2Y2 2XY2 2X2+Y2 2X2Y 3X2+Y2 2X3Y X2+3Y2 2XY3
X1 X2 (X1,X2) (X1,X2,X3,X4)
室外X4断线 室外X2断线 室内X2断线 室外X1断线
DEL../Y3/F4 DEL X2/Y3/F4 DEL Y3/F4 DEL/Y3/F4
X2+2Y2==2XY2 2X2+Y2==2X2Y 3X2+Y2==2X3Y X2+3Y2==2XY3
Ix1<Iy1,Ix1=Ix2 Ix1=Ix2,Ix2<Ix3 Ix2<Ix3,Iy1=Iy2 Ix2=Ix3,Ix2<Iy3
Ix1<Iy1,Ix1<Ix2 Ix1=Ix2,Ix2<Ix3 Ix2<Ix3,Iy1=Iy2 Ix2=Ix3,Iy2<Iy3
X1 X2 (Xl,X2) (Xl,X2,X3,X4)