A study of Bi2Al4O9 heat capacity in the range 298–1000 K

Phase equilibria investigations and thermodynamic modeling of the system Bi2O3–Al2O3

“…Besides, only few data are given regarding thermodynamic properties of (1:2). Denisov et al measured C P in temperature range 25-727°C by DSC [25].…”

“…A and B are adjustable coefficients to be calculated. Moreover, additional terms were added to the expression of Gibbs energy of the intermediate compound (1:2) in order to take into account the Cp values experimentally obtained by Denisov et al [25]. Therefore, the corresponding Gibbs energy is expressed as:…”

“…Data for liquidus were taken from Speranskaya et al [13], heat capacity Cp of the compound Bi 2 Al 4 O 9 measured by Denisov et al [25] and data about invariant equilibria which were experimentally determined within the present work were also considered.…”

“…Comparison between experimental[25] and calculated Cp values of the compound Bi 2 Al 4 O 9 (1:2).Fig. 9.…”

Density, Vapor Pressure, Enthalpy of Vaporization, and Heat Capacity of (E,E)-Methyl Sorbate

“…The physical and thermodynamic properties of pure substances are prerequisites for the design and optimization of their chemical production processes. Heat capacity of a substance reflects its heat absorption ability, which is indispensable for heat load calculation and is also required for the calculation of enthalpy, entropy, Gibbs free energy, and so on. − Enthalpy of evaporation Δ l g H m 0 ( T ) is an important parameter for assessing the interactions among molecules in liquid, and it is essential for the simulation and design of multicomponent and multistage vapor–liquid equilibrium. − Saturated vapor pressure is the basis for calculating vapor–liquid equilibrium data, and it can be used to predict the enthalpy of evaporation. , Liquid density, as a fundamental physical property of a pure substance, is indispensable in the research of fluid mechanics, heat transfer, and mass transfer.…”