Topic
Standard molar entropy
About: Standard molar entropy is a research topic. Over the lifetime, 1586 publications have been published within this topic receiving 29886 citations.
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TL;DR: In this paper, the authors used microcalorimetry and high-performance liquid chromatography to conduct a thermodynamic investigation of the following reactions: (1) 1, 4 - β - D-xylobiose ( aq ) + H 2 O ( l ) = 2 D -xylose (aq ), (2) D -cellobiose and D -glucose (Aq )+ H 2 o ( l) = 2 α - D -Glucose( aq ), and (3) D-maltose ( A
23 citations
TL;DR: In this paper, the standard molar enthalpies of combustion, sublimation, and formation of three methoxynitrophenol isomers: 2-methoxy-4-nitrophenols, 4-methyltrophenolis, and 4-methyl-2.2.
23 citations
TL;DR: The heat capacity of sodalite was measured with a computerized adiabatic calorimetric system at temperatures from 15 K to 350 K and with a d.s.c. from 340 K to 1000 K.
23 citations
TL;DR: In this paper, a two-level mean field model was proposed to describe the phase transition in graphite and showed that the most predominant transition occurs at low Li content, which results in a previously unexplained feature in voltage and dQ/dV profiles and thermodynamic measurements of partial molar enthalpy.
23 citations
TL;DR: In this article, the equilibrium constant for a bimolecular association may be expressed in terms of the energy change, ΔE, and standard entropy change on association, and the proper method of dividing ΔE is known; this paper is concerned with the division of ΔS°.
Abstract: The equilibrium constant for a bimolecular association may be expressed in terms of the energy change, ΔE, and standard entropy change, ΔS°, on association. On account of the well‐known relation between the equilibrium constant, and the rate constants of the bimolecular association and its reverse, the corresponding unimolecular decomposition, the values of these rate constants could be determined separately, if one could divide each of the terms, ΔE and ΔS°, into two parts, in the proper way. The proper method of dividing ΔE is known; this paper is concerned with the division of ΔS°. Considered from a statistical point of view, the entropy of a system depends upon the volume in phase space available to the system under fixed thermodynamic conditions. The separate rate constants will depend upon the fraction of the phase space in which it is possible for the reaction under consideration to take place. Application of this principle leads to an interpretation of the collision number and the steric factor of bimolecular association reactions. The known bimolecular associations have been discussed from this point of view.
22 citations