E- (c) What is the bubble point temperature when the mole fraction of n-hexane is 0.6? [2 marks] (d) the mole fraction of n- If the mole fraction of n-hexane is 0.4, at T= 360 K, what hexane in liquid and vapour phase? [3 marks] (0) Say we use the following process (Figure 1) to purify the n-hexane in the stream: We start with a liquid mixture of 50% n-hexane at its bubble point The liquid mixture is sent to an isothermal distillation column, where the system is kept at a steady-state of vapour-liquid equilibrium at the bubble point, and we collect the vapour into the output stream as soon as the vapour is formed The vapour is cooled to the bubble point We send the liquid into another isothermal distillation column, where we collect the vapour formed at the bubble point. What is the mole fraction of n-hexane in the purified stream? vapour stream purified n-hexane vapour stream tiquld at bubble point 50% n-hexane liquid at bubble point liquid stream liquid stream Figure 1 [5 Marks) E- (c) What is the bubble point temperature when the mole fraction of n-hexane is 0.6? [2 marks] (d) the mole fraction of n- If the mole fraction of n-hexane is 0.4, at T= 360 K, what hexane in liquid and vapour phase? [3 marks] (0) Say we use the following process (Figure 1) to purify the n-hexane in the stream: We start with a liquid mixture of 50% n-hexane at its bubble point The liquid mixture is sent to an isothermal distillation column, where the system is kept at a steady-state of vapour-liquid equilibrium at the bubble point, and we collect the vapour into the output stream as soon as the vapour is formed The vapour is cooled to the bubble point We send the liquid into another isothermal distillation column, where we collect the vapour formed at the bubble point. What is the mole fraction of n-hexane in the purified stream? vapour stream purified n-hexane vapour stream tiquld at bubble point 50% n-hexane liquid at bubble point liquid stream liquid stream Figure 1 [5 Marks)