a.) A 12 kmol liquid mixture with XSi = 0.8, xca = 0.2 at 1500oC was cooled to 1030oC. Determine the amount of liquid and pure solid Si that are in equilibrium with each other. b.) Suppose the mixture in (a) is cooled further to 900oC. how many kg of CaSi2 is formed? (Molar weights: Ca – 40 g/mol, Si – 28 g/mol) c.)At xSi = 0.694 and T = 1030oC, is the system solid, liquid, or both?

a.) A 12 kmol liquid mixture with XSi = 0.8, xca = 0.2 at 1500oC was cooled to 1030oC. Determine the amount of liquid and pure solid Si that are in equilibrium with each other. b.) Suppose the mixture in (a) is cooled further to 900oC. how many kg of CaSi2 is formed? (Molar weights: Ca – 40 g/mol, Si – 28 g/mol) c.)At xSi = 0.694 and T = 1030oC, is the system solid, liquid, or both?

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter7: Equilibria In Multiple-component Systems

Section: Chapter Questions

Problem 7.57E

See similar textbooks

Similar questions

AI-Si Eutectic, Calculate the mass fraction of the B phase, silicon, given a sample with 61.8 wt% alumimum at 576.99 degrees C.
Is it possible to have a homogeneous, binary liquid solution that has a higher (or lower) viscosity relative to either component?
A polynomial fit to measurements of the total volume of a binary mixture of A and B isv = 778.55 − 22.5749x + 0.568 92x2 + 0.010 23x3 + 0.002 34x4where v = V/cm3, x = nB/mol, and nB is the amount of B present. Derive an expression for the partial molar volume of B.
give 5 examples of a 1 phase diagram and show its phase rule
The Molecular Weight of an unknown liquid is determined using the Dumas Method. The following data has been obtained: Atmospheric Pressure = 754.6 TorrVolume of the Flask = 213 mLTemp. of Water Bath = 100 °CMass of Re-Condensed Liquid = 0.582 g What is the Molecular Weight of the liquid?
What is the chemical formula of the solid represented by the verticalphase boundary passing through point g? (Hint: use mole fractions of A and B to answer this)
Two hundred kilogram of liquid contains 40% butane, 40% pentane and 20% hexane by mass. Determine the mole fraction composition of the liquid and the mass fraction composition on a hexane-free basis.
Describe the Brownian Motion?
Melting point (Tm): -94.9C Boiling point (Tb): 110.7C a.) Using the data, find the vapor pressure of toluene at 20C in units of mol/L b.) What is the enthalpy of vaporization (∆?vap ) for toluene in kJ/mol?
What is the partial molar feature? What are the differences between partial molar properties and normal molar properties?
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 0.164
For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -3179 K.What is the ΔHvap of this liquid? Your answer should be in kJ/mol and have 3 sig figs