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写出下列反应平衡常数的表达式(1)2HI(g)⇌I2(g)+H2(g)(2)2I2(g)+2H2(g)⇌4HI(g)(3)I2(g)+H2(g)⇌2HI(g)

题目详情
写出下列反应平衡常数的表达式
(1)2HI(g)⇌I2(g)+H2(g)
(2)2I2(g)+2H2(g)⇌4HI(g)
(3)I2(g)+H2(g)⇌2HI(g)
▼优质解答
答案和解析
(1)2HI(g)⇌I2(g)+H2(g),平衡常数表达式为K=
c(H2)c(I2)
c2(HI)
,故答案为:
c(H2)c(I2)
c2(HI)

(2)2I2(g)+2H2(g)⇌4HI(g),平衡常数表达式为K=
c4(HI)
c2(H2)c2(I2)
,故答案为:
c4(HI)
c2(H2)c2(I2)

(3)I2(g)+H2(g)⇌2HI(g),平衡常数表达式为K=
c2(HI)
c(H2)c(I2)
,故答案为:
c2(HI)
c(H2)c(I2)