1)某一反应的平衡常数是一个不变的常数; 2)反应CO(g) + H2O(g) ...

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1)某一反应的平衡常数是一个不变的常数; 2)反应CO(g) + H2O(g) = CO2(g) + H2(g),因为反应前后分子数相等,所以无论压力如何变化,对平衡均无影响; 3)在一定温度、压力下,某反应的△rGm > 0,所以要选用合适的催化剂,是反应得以进行。

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