A fluorine bomb calorimetric study of molybdenum disulfide. The standard enthalpies of formation of the di- and sesquisulfides of molybdenum

O’Hare, P.A.G.; Benn, E.; Cheng, Fuliang; Kuzmycz, George

doi:10.1016/0021-9614(70)90022-4

Cited by 22 publications

(2 citation statements)

References 13 publications

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“…For MoS2(c), NBS 270-4 lists AH,0 = -56.2 kcal mol-1 and S°= 14.96 cal K-1 mol-1. The entropy is from Cp measurements by Westrum and McBride,268 while the AH,°v alue is consistent with the results of two old investigations.269 O'Hare et al 270 have made calorimetric measurements that lead to AH,0 = -65.8 kcal mol-1. This value, which we adopt, is in reasonable agreement with some high-temperature studies, as discussed by O'Hare et al 270 We agree with the analysis by O'Hare et al 270 of high-temperature equilibrium and emf data for Mo2S3(c), leading to an approximate AH,0 üí -97 kcal mol-1 for this compound.…”

Section: E Other Molybdenum Compoundssupporting

confidence: 73%

Chromium, molybdenum, and tungsten: thermodynamic properties, chemical equilibriums, and standard potentials

Dellien¹,

Hall²,

Hepler³

1976

Chem. Rev.

117

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Section: E Other Molybdenum Compoundssupporting

confidence: 73%

Chromium, molybdenum, and tungsten: thermodynamic properties, chemical equilibriums, and standard potentials

Dellien¹,

Hall²,

Hepler³

1976

Chem. Rev.

117

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“…The standard enthalpy of formation determined by fluorine bomb technique at 298.15 K is À(65.8 AE 1.2) kcal mol À1 [39]. Estimation of the homogeneity range of MoS 2 was carried out in Ref.…”

Section: Mosmentioning

confidence: 99%

Synthetic approaches to the molybdenum sulfide materials

Afanasiev

2007

Comptes Rendus. Chimie

109

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The decomposition kinetics of molybdenite in an argon plasma

Munz

Gauvin

1975

AIChE Journal

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APPENDIXThe molecular-dynamic results of Alder are given in a form where the Holmholtz energy is the sum of a hard-sphere part and a perturbation part; the latter follows from attractive intermolecular forces. These are represented by a square-well potential where the width of the well is a fixed multiple ( H ) of the hard-sphere diameter. For the hard-sphere part we use the Carnahan-Starling equation. For the perturbation part we use Alder's results: The dimensionless constantsA, are n = l , M = 6 n = 2 , M = 9 n = 3 , M = 5 n = 4 , M = 4 A43 = -0.41246808 X 10' When For methane the effect of temperature on vbsp is given by ---~' s p where subscript sp (specific) indicates that u' is per gram.in an Argon Plasma A reactor system was developed for the study of heterogeneous reaction kinetics in plasma tail flames. This system was used to investigate the thermal decomposition kinetics of stationary particles of molybdenum disulfide in both the molten and solid state when exposed to argon flames in the temperature range 3 OOOOK to 8 00O0K.In the solid state a shrinking-core reaction model was obeyed. The rate of reaction was largely controlled by the diffusion of sulfur vapor outwards through the product layer. An apparent activation energy of 134

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A fluorine bomb calorimetric study of molybdenum disulfide. The standard enthalpies of formation of the di- and sesquisulfides of molybdenum

Cited by 22 publications

References 13 publications

Chromium, molybdenum, and tungsten: thermodynamic properties, chemical equilibriums, and standard potentials

Chromium, molybdenum, and tungsten: thermodynamic properties, chemical equilibriums, and standard potentials

Synthetic approaches to the molybdenum sulfide materials

The decomposition kinetics of molybdenite in an argon plasma

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