Page 18 - 2- WEKI Center - الايزو جزء الشرح

N2(g) + O2(g) 2NO(g) Kc = 8.1 × 10-3 ()

NO 0.05 mol ، N2 , O2 0.15 mol
[NO]
، 2 L ‫ﺴﺎوى‬

[ N2 ] = 0.15 = 0.075 M ‫ﺍﻟﺤــﻞ‬
2

[ O2 ] = 0.15 = 0.075 M
2

[ NO ] = 0.05
= 0.025 M
2

Qc = [ NO]2 = [ 0.025]2 = 0.11

[N2] [O2] [0.075 ] [0.075]

Qc > Kc 

. [NO] 

()

2SO2(g) + O2(g) 2SO3(g) , Kc = 35.5
2L
–

[SO3]2 ‫ﺍﻟﺤــﻞ‬
Kc = [SO2]2.[O2]
. ‫ ﻟﻬﻤﺎ ﻧﻔﺲ ﻋﺪد اﻟﻤﻮﻻت وﻧﻔﺲ اﻟﺤﺠﻢ‬SO3 ، SO2 ‫ ﻏﺎزى‬
[SO3]2
35.5 = [SO2] = [SO3] 

[SO2]2.[O2]

1

35.5 =
[O2]

[O2] = 0.028 M

X =

0.056 mol = 2 X 0.028 =

١٣٤ 

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