Introduction .What is Physical Chemistry? Chemical changes←→Physical changes The purpose of the study of physical or theoretical chemistry is to understand and use the laws of chemistry and physics. PDF文件使用"pdfFactory Pro”试用版本创建wm,fineprint..com,cn Introduction •What is Physical Chemistry? Chemical changes Û Physical changes The purpose of the study of physical or theoretical chemistry is to understand and use the laws of chemistry and physics. PDF 文件使用 "pdfFactory Pro" 试用版本创建 3www.fineprint.com.cn