Question

乙烯和H2组成的混合气体5L,在催化剂作用下充分反应后得到的气体体积为VL

Answer 1

1,

C2H4+H2=C2H6

1---------1----1

X---------1-----Y

X=1

Y=1

V=5-2+1=4L

2,

C2H4+H2=C2H6

1---------1----1

X---------X-----X

V=5-2X+X=5-X L (X小于5)