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Heat capacity, c p: 0.212 J/(mol K) at −200°C Liquid properties Std enthalpy change of formation, Δ f H o liquid: −318.2 kJ/mol Standard molar entropy, S o liquid: 180 J/(mol K) Heat capacity, c p: 2.68 J/(gK) at 20°C-25°C Gas properties Std enthalpy change of formation, Δ f H o gas: −261.1 kJ/mol Standard molar entropy, S o gas: 333 ...
Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of compounds not readily distilled at ambient pressures or simply to save time or energy. This technique separates compounds based on differences in their boiling points.
Heat capacity, c p? J/(mol K) Liquid properties Standard enthalpy change of formation, Δ f H o liquid: −460 kJ/mol Standard molar entropy, S o liquid: 166.9 J/(mol·K) Heat capacity, c p: 149.5 J/(mol·K) Gas properties Standard enthalpy change of formation, Δ f H o gas: −3955.4 kJ/mol Standard molar entropy, S o gas: 311.8 J/(mol·K ...
Pressure-swing distillation is essentially the same as the unidirectional distillation used to break azeotropic mixtures, but here both positive and negative pressures may be employed. This improves the selectivity of the distillation and allows a chemist to optimize distillation by avoiding extremes of pressure and temperature that waste energy.
Heat capacity, c p [2] 81.65 J/(mol K) at −108.39°C ... log 10 Tetrahydrofuran vapor pressure. ... Distillation data. Vapor-Liquid Equilibrium
4 Distillation data. 5 Spectral data. ... Heat capacity, c p: 170 J/(mol K) ... data relate to Standard temperature and pressure.
Heat capacity, c p? J/(mol K) Liquid properties Std enthalpy change of formation, Δ f H o liquid –169.7 kJ/mol Standard molar entropy, S o liquid: 208.53 J/(mol K) Enthalpy of combustion, Δ c H o liquid –1236.4 kJ/mol Heat capacity, c p: 129.0 J/(mol K) Gas properties Std enthalpy change of formation, Δ f H o gas –125.4 kJ/mol Standard ...
A McCabe–Thiele diagram for the distillation of a binary (two-component) feed is constructed using the vapor-liquid equilibrium (VLE) data—which is how vapor is concentrated when in contact with its liquid form—for the component with the lower boiling point. Figure 1: Typical McCabe–Thiele diagram for distillation of a binary feed