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化学计算能力的核心是数学思想在化学问题中的确立和数学方法的恰当选择与灵活运用。下面笔者就数学思想在化学问题中的应用举例做简单探讨。一、方程与函数思想在一些化学试题中,两个未知量之间遵循一定的函数关系,因此可将相互关联的未知量运用函数知识加以解决。例1.将0.04 mol高锰酸钾粉末加热一段时间后,得到a mol气体,再将反应后剩余固体投入到足量的浓盐酸中加热,充分反应后又得到b mol气体(其中还原产物
At the core of the ability of chemical calculation is the establishment of mathematical ideas in chemistry and the proper selection and application of mathematical methods. The following author on the mathematical ideas in the application of chemical problems to do a simple example. First, the equation and the function of thought In some chemical tests, the two unknowns follow a certain functional relationship, so the unknowns associated with the use of functional knowledge to be resolved. Example 1 0.04mol potassium permanganate powder heated for a period of time to obtain a mol gas, and then the remaining solid after the reaction into a sufficient amount of concentrated hydrochloric acid heating, the full reaction and then b mol gas (wherein the reduction product