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- How many phases and component are present in (a) homogeneous system (b) an aqueous solution of salt (c) toluene in equilibrium with its vapourWhen a two-component system has two phases, what is the degree of freedom?List 7 real-life applications in Chemical Equilibrium in a Liquid Phase and list 7 real-life applications in Distribution of a Solute between Immiscible Solvents.
- Q.5 When two components A and B are mixed and the resulting solution formed is almost an ideal solution. Derive an expression for free energy change of mixing.1. A hypothetical three component system has a composition of 24% A, 40% B and 36% C. Plot this composition in a Roozeboom diagram.In calculating ΔHmix for regular solutions, please derive 1) the mole fraction for the minimum of ΔHmix 2) the equation for the minimum of ΔHmix
- A solution is prepared by dissolving 1.23 g of C60 (buckminsterfullerene) in 100.0 g of toluene (methylbenzene). Given that the vapor pressure of pure toluene is 5.00 kPa at 30ºC, what is the vapor pressure of toluene over the solution? 1 kPa 19 kPa 4.99 kPa 12 kPa 9.15 kPaConsider a mixture of two liquids A and B (i.e., a solution of A+B). How many degrees of freedom are required to define a system where the solution is in equilibrium with both solids (solid A+ solid B)? What is/are the relevant intensive variable(s)?(3 is not the ansewer)1 At a temperature of 302.8 K, mixtures of phenol andwater exist as two separate phases with mole fractionsof phenol of 0.30 and 0.93. Use the lever rule to determine the relative amounts of the two phases for amixture w ith an overall mole fraction of phenol of 0.45.
- Draw Vapour pressure vs composition (in terms of mole fraction) diagram for an ideal solution.The molar conductivities of 0.01 M solution of sodium chloride, potassium chloride and potassium sulfate are 126.5, 149.9 and 153.3 Scm² mol⁻¹ respectively. The molar conductivity for sodium sulfate isDescribe the distillation of partial miscible liquid in terms of phase diagram.