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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 article, the standard entropy of formation of Al 2 Nd at 298 K, Δ f S° 298 (Al 2 nd), was determined from measuring the heat capacities, Cp, from near absolute zero (2K) to 300 K by the relaxation method.
Abstract: The thermodynamic properties of Al 2 Nd were investigated by calorimetry. The standard entropy of formation of Al 2 Nd at 298 K, Δ f S° 298 (Al 2 Nd), was determined from measuring the heat capacities, Cp, from near absolute zero (2K) to 300 K by the relaxation method. The standard enthalpy of formation of Al 2 Nd at 298 K, Δ f H° 298 (Al 2 Nd), was determined by solution calorimetry in hydrochloric acid solution. The standard Gibbs energy of formation of Al 2 Nd at 298 K, Δ f G° 298 (Al 2 Nd), was determined from these data. The results were obtained as follows: Δ f S° 298 (Al 2 Nd)/J·K -1 ·mol -1 = -10.7±1.2, Δ f H° 298 (Al 2 Nd)/kJ·mol -1 = -105.03 ± 27, and Δ f G° 298 (Al2Nd)/kJ·mol -1 = -101.85 ±27.
4 citations
TL;DR: In this paper, the cobalt sillenite with overall stoichiometry Bi24Co2O39−δ was synthesized using conventional ceramic route and characterized it in detail, where XRD and EDS were used to determine phase purity and Rietveld refinement was applied to determine lattice parameters.
4 citations
TL;DR: In this paper, Coir-pith derived activated carbon has been shown to be a feasible adsorbent for the extracting pentachlorophenol from aqueous medium and the adsorption was studied by varying the dosage of carbon, contact time, concentration of the adsorbate, temperature and pH.
4 citations
TL;DR: In this paper, the hydrogen storage properties and thermodynamics of dissolved hydrogen in the C14 hexagonal Laves phase Zr0.5 and Zr 0.5 alloys are studied.
4 citations
TL;DR: In this paper, the entropy and free energy function were derived for CaTiO 3 and (Ca 0.80 Pu 0.20 )TiO3 in polynomial expressions of temperature using Shomate's method.
4 citations