氟化钙与硫酸在393．15K和553．15K时的焓变，自由能变与熵变值

Values of enthalpy changes, free energy changes and entropy changes in the reaction of the fluorite with sulfuric acid at 393. 15K and 553. 15K

对ＣａＦ２（ｃ）＋Ｈ２ＳＯ４（１）＝２ＨＦ（ｇ）＋ＣａＳＯ４（ｃ）反应在３９３．１５Ｋ（１２０℃）及５５３．１５Ｋ（２８０℃）时的焓变值、自由能变值及熵变值，进行了详细计算，得到了良好的结果。

The values of the enthalpy changes, free energy changes and entropy changes in the reaction of the fluorite with sulfuric acid at 393.15K(120℃) and 553.15K(280℃) were precisely calculated and the results were excellent.