Mass-spectrometric measurements of enthalpy and entropy changes for the mixed dimer reaction: Na2Cl2(g)+K2Cl2(g)=2NaKCl2(g).

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概要

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• The enthalpy(Δ<I>H</I><SUB>r</SUB>°) and entropy(Δ<I>S</I><SUB>r</SUB>°) changes for the mixed dimer formation reaction, Na<SUB>2</SUB>Cl<SUB>2</SUB>+K<SUB>2</SUB>Cl<SUB>2</SUB>=2NaKCl<SUB>2</SUB>, have been measured by mass-spectrometry in the temperature range of 793 to 1083 K. Δ<I>H</I><SUB>r</SUB>°=−1.67 kJ mol<SUP>−1</SUP> and Δ<I>S</I><SUB>r</SUB>°=5.69 J K<SUP>−1</SUP> mol<SUP>−1</SUP> were obtained. These very small values were referred both to the mainly ionicbonding structure in the related dimers and to preserving the isobonding through the reaction.

• 公益社団法人 日本化学会の論文

著者

• Itoh Mitsuru

  Research Laboratory Of Engineering Materials Tokyo Institute Of Technology

• SATA Toshiyuki

  Research Laboratory of Engineering Materials, Tokyo Institute of Technology

• Sata Toshiyuki

  Research Laboratory Of Engineering Materials Tokyo Institute Of Technology

• Sasamoto Tadashi

  Tokyo National Technical College

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