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同一个可逆反应在一定的条件下能否达到等效的平衡状态(即两种平衡状态下各物质的百分含量对应相等),完全取决于初始态各物质物质的量的配比(这类题可称为配比题)。如何利用初始态各物质物质的量的不同配比判断同一个可逆反应在同一条件下达到等效的平衡状态?笔者经过研究发现有如下规律(笔者称之为配比规律)。
Whether the same reversible reaction can reach the equivalent equilibrium state under certain conditions (that is, the percentages of the substances in the two equilibrium states are correspondingly equal) is entirely determined by the ratio of the amount of each substance in the initial state (such Questions can be called matching questions). How to use the different proportions of substances in the initial state to determine the same reversible reaction under the same conditions to achieve the equivalent equilibrium state? The author found that the following laws (the author calls it the matching law).