Homework Answers
Above the binodal curve, a one phase solution exists and below it, a two phase solution.
Hence, at 0 0C two phase and at 15 0C one phase
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Using the phase diagram of polydstyrene and DOP below, would you expect a single phase solution...
b. You have prepared a solution of water-soluble polymer, and wish to isolate the polymer from...
b. You have prepared a solution of water-soluble polymer, and wish to isolate the polymer from the water by freeze drying it. This process involves two steps: i) The temperature of the solution is dropped at ambient pressure to a temperature below water's triple point. ii) The pressure of the frozen solution is reduced until water spontaneously leaves the system With this above in mind, sketch a phase diagram of water showing regions of stability in its solid, liquid, and...
Would you expect the temperature range of the liquid phase of a 1.0m (molality) solution of...
Would you expect the temperature range of the liquid phase of a 1.0m (molality) solution of sodium chloride or magnesuim chlorideto be larger? Briefly explain your answer.
7) (14 pt) Given the Eh/pH diagram below, a) what would you expect the dominant speciation...
7) (14 pt) Given the Eh/pH diagram below, a) what would you expect the dominant speciation of Fe to be at Eh = 0.2 mV and pH = 4? b) what would you expect the dominant speciation of Fe to be at Eh = 0.2 mV and pH = 8? c) Considering the precipitation of siderite (Fe2+ + HCO3 → FeCO3 + H+), why is siderite unstable at pH <-6? +20 +15 +10 +0.41 Hematite Fe,o, Eh (V) Fe pe...
1 picture- problem 2 other pictures- phase diagrams for problem 1. Draw a phase diagram for...
1 picture- problem
2 other pictures- phase diagrams for problem
1. Draw a phase diagram for a binary eutectic alloy with solid solubility, naming and describing the significance of the main features. The binary alloy system of metals A and B contains two intermediate (intermetallic) phases A B and AB2 of narrow composition range, each of which forms by a peritectic reaction A cutectic point also exists, at 85at% B. The melting point of A is higher than that of...
Just part c please 2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The co...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate...
1. The figure below is a binary Magnesium-Lead Phase diagram. Assuming you start with 100 g...
1. The figure below is a binary Magnesium-Lead Phase diagram. Assuming you start with 100 g of alloy at 50 wt% Lead at 500C, answer the following questions (put all of your lines for full credit): a. Report the maximum solubility of lead in magnesium and its temperature; b. Report the maximum solubility of magnesium in lead and its temperature; c. Identify the point on the phase diagram associated with the temperature and composition given in the problem statement and...
Just part c please 2,) Using the Pb - Sn phase diagram, at the points indicated...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
Figure 1 Single line diagram b2 b3 b1 b4 grid Τι 13 A power system single line diagram is shown...
Figure 1 Single line diagram b2 b3 b1 b4 grid Τι 13 A power system single line diagram is shown in Figure 1. The single line diagram shows a synchronous generator G connected to a large 50 Hz grid via its unit transformer T and a network of three transmission lines. Relevant details of the grid, transformer, generator and overhead lines are provided in Tables I,II,II & IV respectively. A double line to ground fault occurs at bus 3 Questions....
Diagram 1 Liquid-Vapor Phase Diagram for a Binary Mixture of A and B 90 80 Temp...
Diagram 1 Liquid-Vapor Phase Diagram for a Binary Mixture of A and B 90 80 Temp (°C) 70 60 50 0.6 1.0 0.2 0.4 0.8 Mole Fraction of Organic Molecule A Refer to the Diagram 1 The liquid-vapor phase diagram for mixtures of Organic A (molar mass: 96.2 g/mole) and Organic B (molar mass = 70.21 g/mole). From the diagram, the boiling point of pure Organic A is: REPORT YOUR ANSWER TO 2 DIGITS ACCURACY DO NOT PUT UNITS IN...
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the...
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the boiling point changes with composition at constant pressure. If you started with a solution that was Xchloroform = 0.1 at a temperature of 333 K, is it possible to use fractional distillation to purify this solution to nearly 100% chloroform? Approximately what concentration (in mole fraction) would you expect you could achieve through fractional distillation? Curves calculated by mod. UNIFAC (Dortmund) Temperature Minimum Azeotrope...
b. You have prepared a solution of water-soluble polymer, and wish to isolate the polymer from the water by freeze drying it. This process involves two steps: i) The temperature of the solution is dropped at ambient pressure to a temperature below water's triple point. ii) The pressure of the frozen solution is reduced until water spontaneously leaves the system With this above in mind, sketch a phase diagram of water showing regions of stability in its solid, liquid, and...
7) (14 pt) Given the Eh/pH diagram below, a) what would you expect the dominant speciation of Fe to be at Eh = 0.2 mV and pH = 4? b) what would you expect the dominant speciation of Fe to be at Eh = 0.2 mV and pH = 8? c) Considering the precipitation of siderite (Fe2+ + HCO3 → FeCO3 + H+), why is siderite unstable at pH <-6? +20 +15 +10 +0.41 Hematite Fe,o, Eh (V) Fe pe...
1 picture- problem
2 other pictures- phase diagrams for problem
1. Draw a phase diagram for a binary eutectic alloy with solid solubility, naming and describing the significance of the main features. The binary alloy system of metals A and B contains two intermediate (intermetallic) phases A B and AB2 of narrow composition range, each of which forms by a peritectic reaction A cutectic point also exists, at 85at% B. The melting point of A is higher than that of...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate...
1. The figure below is a binary Magnesium-Lead Phase diagram. Assuming you start with 100 g of alloy at 50 wt% Lead at 500C, answer the following questions (put all of your lines for full credit): a. Report the maximum solubility of lead in magnesium and its temperature; b. Report the maximum solubility of magnesium in lead and its temperature; c. Identify the point on the phase diagram associated with the temperature and composition given in the problem statement and...
Just part c please
2,) Using the Pb - Sn phase diagram, at the points indicated below, determine the followhg draw tie lines and indicate important values on diagram) I. The phases present II. The composition of each phase I. The relative amounts of each phase(expressed in weight percentages) 182°C eutectic. c= 85% Sn b) T= 200°C c- IL=
Figure 1 Single line diagram b2 b3 b1 b4 grid Τι 13 A power system single line diagram is shown in Figure 1. The single line diagram shows a synchronous generator G connected to a large 50 Hz grid via its unit transformer T and a network of three transmission lines. Relevant details of the grid, transformer, generator and overhead lines are provided in Tables I,II,II & IV respectively. A double line to ground fault occurs at bus 3 Questions....
Diagram 1 Liquid-Vapor Phase Diagram for a Binary Mixture of A and B 90 80 Temp (°C) 70 60 50 0.6 1.0 0.2 0.4 0.8 Mole Fraction of Organic Molecule A Refer to the Diagram 1 The liquid-vapor phase diagram for mixtures of Organic A (molar mass: 96.2 g/mole) and Organic B (molar mass = 70.21 g/mole). From the diagram, the boiling point of pure Organic A is: REPORT YOUR ANSWER TO 2 DIGITS ACCURACY DO NOT PUT UNITS IN...
Consider the phase diagram below for a mixture of chloroform and methanol, looking at how the boiling point changes with composition at constant pressure. If you started with a solution that was Xchloroform = 0.1 at a temperature of 333 K, is it possible to use fractional distillation to purify this solution to nearly 100% chloroform? Approximately what concentration (in mole fraction) would you expect you could achieve through fractional distillation? Curves calculated by mod. UNIFAC (Dortmund) Temperature Minimum Azeotrope...
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