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一、掌握主要知识点1.气体性质.重点:(1)分子动理论;(2)气体的状态参量及实验定律;(3)理想气体状态方程.主要理解分子动理论的具体内容,解释日常生活中遇到的问题.正确确定气体的P、V、T三个状态参量,根据相关物理情景,选用定律或方程解决问题.2.内能.重点:(1)内能以及改变内能的两种方式;(2)能的转化和能量守恒定律(热力学第一定律);(3)能量转化的方向性(热力学第二定律).主要
First, grasp the main points of knowledge 1. Gas properties. Focus: (1) molecular dynamics theory; (2) gas state parameters and experimental laws; (3) ideal gas state equation. The main understanding of the specific content of molecular dynamics theory, Problems encountered in life. Correctly determine the gas P, V, T three state parameters, according to the relevant physical situation, the choice of law or equation to solve the problem .2. Internal energy. Focus: (1) internal energy and change the internal energy Two ways; (2) the law of energy conservation and conservation of energy (the first law of thermodynamics); (3) the direction of energy conversion (the second law of thermodynamics).