3. The second Virial coefficient of an equimolar binary vapor mixture of methane and n-hexane is -517 cm'/mol at 50°C. What is B at the same temperature for a mixture containing 25 mol% methane and 75 mol% n-hexane. At 50°C B =-33 cm'/mol for methane, B =-1512cm'/mol for n-hexane.
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- Phenol and water form non-ideal liquid mixtures. When 7.32 g of phenol and 7.95 g of water are mixed together at 60 °C they form two immiscible liquid phases with mole fractions of phenol of 0.042 and 0.161. (i) Calculate the overall mole fraction of phenol in the mixture. (ii) Use the lever rule to determine the relative amounts of the two phases.Phenol and water form non-ideal liquid mixtures. When 7.32 g of phenol and 7.95 g of water are mixed together at 60 °C they form two immiscible liquid phases with mole fractions of phenol of 0. 0 42 and 0 .161 . (a) Calculate the overall mole fraction of phenol in the mixture. (b) Use the lever rule to determine the relative amounts of the two phases .C6H5Cl e C6H5Br form nearly ideal mixtures. At 136.7◦ C the vapor pressure of C6H5Cl is 1.137 bar, while that of C6H5Br is 0.604 bar. Which is the composition of the mixture for which the total vapor pressure is 1 bar ?
- A mixture of phenol and water, under certain conditions of temperature and composition, forms two separate liquid phases, one rich in phenol and the other rich in water. At 30⁰ the compositions of the upper and lower layers are 70% and 9% by mass phenol, respectively. If 40kg of phenol and 60kg of water are mixed and the layers are allowed to separate at 30⁰C, what will be the weight of the two layers?The table below shows temperature/composition data collected for a mixture of methylbenzene (M) and octane (O) at 1 atm. Recall that x stands for the mole fraction in the liquid and y stands for the mole fraction in the vapor in equilibrium. The boiling points for methylbenzene (M) and octane (O) are 110.60C and 125.60C, respectively. Construct the phase diagram with Temperature vs. xM. What is the composition of the vapor in equilibrium with the liquid of composition (a) xM = 0.250 and (b) xO = 0.250. T (0C) 110.9 112.0 114.0 115.8 117.3 119.0 121.1 123.0 xM 0.908 0.795 0.615 0.527 0.408 0.300 0.203 0.097 yM 0.923 0.836 0.698 0.624 0.527 0.410 0.297 0.164Iron(II) chloride (melting point 677 °C) and potassium chloride (melting point 776 °C) form the compounds KFeCl3 and K2FeCl4 at elevated temperatures. KFeCl3 melts congruently at 399 °C and K2FeCl4 melts incongruently at 380 °C. Eutectics are formed with compositions x = 0.38 (melting point 351 °C) and x = 0.54 (melting point 393 °C), where x is the mole fraction of FeCl2. The KCl solubility curve intersects the A curve at x = 0.34. Sketch the phase diagram. State the phases that are in equilibrium when a mixture of composition x = 0.36 is cooled from 400 °C to 300 °C.
- Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. A liquid mixture containing 30 mole% isopropanol and 70 mole% water is heated in a closed container to a final temperature of 83°C at atmospheric pressure. What is the composition of each of the phases at the final equilibrium temperature? At this condition, what fraction of the original liquid is vaporized? REFERENCE: T-xy Diagram for Isopropanol-Water Mixture at 1 atmnon idealities in liquid mixtures 1) which non-ovalent force is responsible for most of the non-idealities in liquid mixtures? 2) if a binary liquid mixture exhibits a positive deviation from rault's law, what are the possible values of the acivity coefficients of the two components? 3)are the following mixtures expected to be non ideal or ideal? i) cyclohexane and cycloctane ii) isopropanol and water iii)chloroform and acetone iiii) benzene and tolueneThe weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol (x) satisfies a. X < 0.5 b. 0.5 < XM < 0.64 c. xu = 0.5 d. Xu ~ 0.5