化学反应都有新物质产生,同时还伴随着能量变化。在当今社会中,人类所需能量的绝大部分是由化学反应产生的。因此,化学反应与能量问题已成为当今社会的热点问题之一,也是高考命题的一个重要的内容载体。现将有关该问题的常见考点归纳如下: Chemical reactions produce new substances, accompanied by changes in energy. In today’s society, the vast majority of human energy needs are generated by chemical reactions. Therefore, chemical reactions and energy problems have become one of the hot issues in today’s society and are also an important content carrier for college entrance examination propositions. The common test points for this issue are summarized below: