题目内容
已知448℃时反应H2(g)+I2(g)
2HI(g)的平衡常数是49,则HI(g)
H2(g)+
I2(g) 在该温度下的平衡常数是

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A.![]() | B.2401 | C.7 | D.![]() |
D
试题分析:化学平衡常数是在一定条件下,当可逆反应达到平衡状态时,生成物浓度的幂之积和反应物浓度的幂之积的比值,所以逆反应的平衡常数是正方应平衡常数的倒数。由于逆反应的化学计量数是正方应化学计量数的
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A.![]() | B.2401 | C.7 | D.![]() |