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高考作为高等院校入学的选拔性考试,在考查核心基础知识、基本能力的同时还考查学生掌握知识的熟练程度,解题运算速度,思维的严密性、发散性等。盖斯定律作为新课程新增的内容,一直是考查的重点。一、基于盖斯定律焓变的常规求算按照课本对该部分知识的呈现方式,以盖斯定律求解反应热主要有两种途径。1.虚拟路径法我们依据盖斯定律的定义,以框图流程的形式简洁明了地呈现了总反应、分反应的关系,导出所求目标方程式焓变的表达式。其思路清晰,关系流程一旦成功构建,焓变就可很方
College entrance examination as a college entrance examination, in examining the core of basic knowledge, basic ability while also examining students proficiency in knowledge, solving problems speed, thinking rigor, divergence and so on. Gass’s law as the new content of the new course, has always been the focus of test. First, based on the regular calculation of Gass’s enthalpy change According to the textbook on the part of the knowledge of the way of presentation to Gass’s law to solve the reaction heat there are two main ways. 1. Virtual Path Method According to the definition of Gass’s law, we present the relationship between total and sub-responses in a simple and clear manner in the form of a block diagram and derive the expression of the enthalpy change of the desired equation. The idea is clear, the relationship between the process once the successful construction, enthalpy change can be very square