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一、物质的标准摩尔生成焓△fHmθ“焓”是物质具有的某种特质,是某种形式的能量。某物质的△fHmθ可以理解为该物质“焓的相对值”。为什么这个相对值带有“△”符号?是因为这个相对值是一个特殊反应的△Hθ。这就要求反应物都必须是稳定的单质;且只能
First, the material standard molar enthalpy of formation △ fHmθ “enthalpy ” is the material has some traits, is some form of energy. A material △ fHmθ can be understood as the substance “relative value of enthalpy ”. Why does this relative value have the symbol “?”? Because this relative value is the ΔHθ of a particular reaction. This requires that reactants have to be stable elements; and only