The vaporization of Hg/l was studied by high temperature mass spectrometry with a Knudsen cell in the temperature range 300–386 K. The partial pressure of the molecule Hg2 was determined as: log(p/Pa) = −5859 K/T+11.19. The following enthalpies of vaporization and dissociation were obtained for Hg2 (g):ΔvapH°298 = 114±2 kJ mol−1 and D°298 = 8±2 kJ mol−1.

Topics
Temperature mass spectrometry, Crystallography
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© 1982 American Institute of Physics.
1982
American Institute of Physics
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