The kinetics of some phase transformations obey the Avrami relationship. Using the fraction transformed-time data given below, determine the total tie required for the transformation to go to 96% completion. Fraction transformed Time (s) i 0.2 11.6 0.9 26.7 S
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- The kinetics of some phase transformations obey the Avrami relationship. Using the fraction transformed-time data given below, determine the total time required for the transformation to go to 91% completion. Fraction transformed Time (s) 0.3 11.8 0.9 27.3100 2200 20 40 60 80 1200 2000 -Liquidus 1000 Liquid 1800 Solidus F a +L 1600 B+L 800 779°C (Tg). E 8.0 71.9 91.2 1400 (CaE (Cg) (CBE 1200 600 Solvus 1000 a + B 800 400 C 600 H 200 0 400 100 20 40 60 80 (Cu) Composition (wt% Ag) (Ag) 1- define pointe E? 2- define pointe B? 3- define the line AE? 4- define the line BG? 5- define the line FG? Temperature (°C) Temperature ('F)The simple dynamic method is used to measure kļa in a fermenter operated at 30 C and 1 atm pressure. Data for the dissolved oxygen concentration as a function of time during the reoxygenation step are as follows: Time (s) CAL (% air saturation) 10 43.5 15 53.5 20 60.0 30 67.5 40 70.5 50 72.0 70 73.0 100 73.5 130 73.5 (a) Calculate the value of kla.
- please show work and formulas so that i may learn the process correctly. if you use a table please mention which table was used. thank you so much. 2. Fill in the blank cells of this table: T( C) P(kPa) u(kJ/kg) Phase description 175 2524.5 325 4000 325 Saturated liquidShown to the right is the solid-liquid phase behavior for mixtures of component A and component B at 1 atm. Use the phase diagram to answer the following questions. a) Specify the melting point of substance B at 1 atm b) What is the maximum composition (mole fraction) of component B that is possible for the mixture to exist in phase S2? At what temperature does this occur? c) 20mol of component A and 180mol of component B are mixed at 350°C and 1 atm. The mixture is cooled at constant pressure to 200°C. i) What phases are present at the final state? ii) What is the composition of each phase at the final state? iii) What is the number of moles of each phase at the final state?= 14 15 16 17 18 19 20 21 22 23 24 25 26 A gas storage cylinder in an ordinary chemical laboratory measures 3.9 cm wide and 16. cm high. This is the label on it. olo Contents: N, gas Pressure: 7.93 atm If the cylinder is opened and the gas allowed to escape into a large empty plastic bag, what will be the final volume of nitrogen gas, including what's collected in the plastic bag and what's left over in the cylinder? Write your answer in liters. Round your answer to 2 significant digits. ?
- A system consists of 50% mole percent of propane, 20% mole percent of pentane, and 30% mole percent of heptane at 150°F. Detail as shown in Table 2 below. Assuming ideal solution behaviour and using the Raoult's Law (where x₁ = mole fraction in liquid phase), Table 2: Gaseous properties Gas Molecular weight (g/mol) 44.1 Xi 72.15 100.21 Propane Pentane Heptane (i) Calculate the total vapor pressure (P+) of the system. 0.5 0.2 0.3 Pvap at 150°F (psia) 345.0 36.6 50 (ii) Calculate the gas/vapor phase specific gravity. Given the SGair is 28.96 g/mol. (iii) Calculate the liquid phase specific gravity. Given the SGwater is 62.4 lb/ft³.A 370-g sample of an unknown (nongaseous) material experiences a 24.0°C increase in temperature after absorbing 1.24 x 103) of energy. (a) What is the specific heat of this material? 3400 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. J/(kg. °C)The phase diagram below is that of Au-Ag system. 1100 1065°C 1050 100 960°C L+a 950 900 50 60 70 80 90 100 10 20 30 Au (%) 8.
- b) Figure 1 shows a phase diagram for Cu-Ni binary system. Make a phase analysis of this system at point Q. T.°C 1450 1250 1050 0 20 40 60 80 1007. One kg of CO2 has a volume of 1 m³ at 100°C. Compute the pressure by (a) Van der Waal's equation (b) Perfect gas equation. The constants have the following values: a = 362850 Nm*/(kg mol)? and b=0.0423 m³/kg mol. Also, Ro=8314 Nm/kg-mol K. [(a)p=70361NGiven a ttt diagram of steel 1040. For each section determine the final steel structure. Mark the tracks on the graph. For your convenience, 2 identical graphs are attached below. Each section starts from a temperature of 800c: 1 Rapid cooling to 400c, staying for 100 seconds at this temperature and then rapid cooling to room temperature. 2. Rapid cooling to 600c, staying for 30 seconds at this temperature and then rapid cooling to room temperature. 3. Rapid cooling to 400c, staying for one second at this temperature and then rapid cooling to room temperature. 4. Rapid cooling to 700c Stay for 8 minutes at this temperature and then rapid cooling to room temperature.