化学反应自发性判据的反例推导

Inferring the Criterion of Chemical Reactions Directions by Counter-example Method

文章结合常见的化学反应实例,采用反例推导的方式,逐项引出影响化学反应方向的因素,经过综合,最后给出准确的化学反应自发性判据公式。通过具体案例引起学习兴趣,并采用反例法加深同学们对判据因素的印象,以期达到知其所以然的教学效果。

In the paper, we using counter-example method to infer the criterion of chemical reaction direction by combined with examples of common chemical reactions. In order to raising the teaching effect, we drawing students＇ interest with the concrete case firstly, and then enhance impression of criterion factors of chemical reaction direction by the counter-example method.