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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8 citations
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TL;DR: In this article, two quaternary oxides, BaLa2Fe2O7(s) and BaLaFeO4(s), were prepared by citrate-nitrate gel combustion route and characterized by X-ray diffraction analysis.
8 citations
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TL;DR: In this article, heat capacity measurements were made on deerite and on grunerite with an adiabatic calorimetric system from the temperature 10 K to 350 K and by d.c.
8 citations
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TL;DR: In this paper, the standard molar enthalpyramids of combustion, in oxygen, at 298.15 K, measured by static bomb-combustion calorimetry, were derived.
Abstract: The standard (p
0=0.1
MPa) molar enthalpy of formation, Δf
H
0
m, for crystalline N-phenylphthalimide
was derived from its standard molar enthalpy of combustion, in oxygen, at
the temperature 298.15 K, measured by static bomb-combustion calorimetry,
as –206.0±3.4 kJ mol–1. The
standard molar enthalpy of sublimation, Δg
cr
H
0
m
, at T=298.15 K, was derived, from high
temperature Calvet microcalorimetry, as 121.3±1.0 kJ mol–1. The derived standard molar enthalpy of formation, in the gaseous state,
is analysed in terms of enthalpic increments and interpreted in terms of molecular
structure.
8 citations
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TL;DR: In this article, the authors measured the heat capacity and the heat content of the BiNb5O14 using relaxation time method, DSC and drop method, respectively, and derived the temperature dependence of heat capacity in the form C676 pm=455.84+0.06016T-7.7342·106/T676 2 (J K-1
Abstract: The heat capacity and the heat content of
bismuth niobate BiNb5O14 were
measured by the relaxation time method, DSC and drop method, respectively.
The temperature dependence of heat capacity in the form C
pm=455.84+0.06016T–7.7342·106/T
2 (J K–1
mol–1) was derived by the least squares method
from the experimental data. Furthermore, the standard molar entropy at 298.15
K S
m=397.17 J K–1
mol–1 was derived from the low temperature
heat capacity measurement.
8 citations