论文部分内容阅读
在近几年的高考中《化学能与热能》这一部分内容成为重点,现就09年的几个高考题对此处内容做以下总结。1.(山东理综第28题14分)运用化学反应原理研究氮、氧等单质及其化合物的反应有重要意义
In the recent college entrance examinations, the part of “chemical energy and heat energy” has become the focus. Now we will summarize the contents of the several college entrance examination questions in 2009. 1. (Shandong Liqun 28th Question 14 points) The use of chemical reaction principle to study the response of nitrogen, oxygen and other simple substances and their compounds is of great significance