The phase diagram for sulfur is shown here. The rhombic andmonoclinic states are two solid states with different structures.a. Below what pressure does solid sulfur sublime?b. Which of the two solid states of sulfur is more dense?LiquidRhombicMonoclinic119 °C, 0.027 mmHg96 °C, 0.0043 mmHgVaporTemperaturePressure

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Answered: The phase diagram for sulfur is shown…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Using the Ti-Cu phase diagram, if you start with 100 kg of a Ti-Cu mixture at 3000C and 10 wt. % Cu and cool down very slowly to point D (500 C), determine what phases are present at each letter, determine the compositions for each phase, and determine theweight in each phase. Point D): Phase(s) present Weight % of Cu in each phaseWeight of each phase
Using the Ti-Cu phase diagram, if you start with 100 kg of a Ti-Cu mixture at 3000C and 10 wt. % Cu and cool down very slowly to points A (1400 C), B (950 C), C (800 C), and D (500 C), determine what phases are present at each letter, determine the compositions for each phase, and determine the weight in each phase. Point A): Phase(s) present Weight % of Cu in each phaseWeight of each phase Point B): Phase(s) present Weight % of Cu in each phaseWeight of each phase Point C): Phase(s) present Weight % of Cu in each phaseWeight of each phase Point D): Phase(s) present Weight % of Cu in each phaseWeight of each phase
The following drawing shows the phase diagram at constant pressure for two liquids (A and B). When 30 g of pure A and 70 g of pure B are mixed: a) Reason what the diagram looks like and identify each part. b) At what temperature will the mixture start to boil? What will be the composition of the steam at that time? c) What is the amount of distillate at 130C°? 160 P= Tatm 150 140 O 130 120 T10 100 O 10 20 30 40 50 60 70 80 90 100 % B In weight
Presume that we have 100 grams of an alloy with overall chemical composition of90 wt. pct. tin and 10 wt. pct. lead. The alloy (in the liquid state) is cooled atnear-equilibrium conditions.Determine the following:At slightly below 183oC, what are the following: (parts a-h at a temperature below 183C please!)
For the system KNO3-NaNO3-H2O, a ternary point exists at 5°C at which the twoanhydrous salts are in equilibrium with a saturated solution containing 9.04% KNO3 and41.01% NaNO. Determine analytically the maximum weight of KNO3 which can berecovered pure from a salt mixture containing 70 g of KNO3 and 30 g NaNO3 bycrystallization from an aqueous solution at 5°C. Draw the phase diagram and show your solution.
The percent by mass of nitrogen for a compound is found to be 46.7%. Which of the following could be this species?
2. a) How many kilograms of nickel must be added to 1.75 kg of copper to yield a liquidus temperature of 1300 °C? b) How many kilograms of nickel must be added to 5.43 kg of copper to yield a solidus temperature of 1200 °C? c) The solidus and liquidus temperatures for the copper-gold system are given here. Construct the phase diagram for this system and label each region. Composition (wt.% Au) Solidus Temperature (C) Liquidus Temperature (C) 1085 1085 1019 972 20 1042 996 946 40 60 934 80 911 911 90 928 942 95 974 984 100 1064 1064
Question 6 Compute the molar volume of ethane at 315 K and 50 bar using the SRK equation of state. Report your answer in units of cm?/mol to three decimal places. Question 7 Compute the compressibility of acetone at 510 K and 60 bar using the SRK equation of state. Report your answer to three decimal places.
Temperature (°C) 100 80 60 40 20 0 Sugar Water 100 0 Problem 1 Consider the sugar-water phase diagram (a) How much sugar will dissolve in 1000 g of water at 80°C (176°F)? (b) If the saturated liquid solution in part (a) is cooled to 20°C (68°F), some of the sugar will precipitate out as a solid. What will be the composition of the saturated liquid solu- tion (in wt% sugar) at 20°C? (c) How much of the solid sugar will come out of solution upon cooling to 20°C? Solubility limit Liquid solution (syrup) 20 80 40 60 60 40 Composition (wt%) Liquid solution + solid sugar 80 20 || 200 150 100 50 100 0 Temperature (°F) The solubility of sugar (C₁₂H₂2O₁1) in a sugar-water syrup.
Under extreme pressures, even very familiar substances can form unusual solid phases. Below is the phase diagram for H2O, expanded to include those phases that are found at high pressures. The following two questions refer to that diagram. For the first question, select every statement that is true about the relative densities of different phases of water. a. Solid phase ll is more dense than phase V b. Solid phase ll is more dense than phase lll c. Solid phase Vl is more dense than liquid water d. Solid phase Vll is more dense than phase Vlll e. "Traditional" ic (solid phase lh) is more dense than liquid water
A) Calculate the differences in the chemical potentials of ice and super-cooled water at -5.00 C and 1.00 atm pressure B) Calculate the differences in the chemical potentials of super heated ice and water at 100 C and 1.00 atm pressure For this problem, the molar entropics for each phase of water are S (G48.0Jmol K S()700J mol and S (E)= 18S.8 J mol K
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