1. The following is a phase diagram for CO2. Label the dominant phase in each region as well as the two spheres/nodal points (0) and (●) 10000 1000- 100- 10- 1+ 200 250 300 350 400 temperature (K) pressure (bar)
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- give 5 examples of a 1 phase diagram and show its phase ruleAnswers must be typed out, using units, in the simplest logical manner EXPLANATION CANNOT BE HAND-DRAWN Phase Diagram for CO2The phase diagram for CO2 is shown in Figure 17-38 . (a) What is the phase of CO2 at T=20°C and P=500 kPa? (b) What is the phase of CO2 at T=−80°C and P=120 kPa? (c) For reasons of economy and convenience, bulk CO2 is often transported in liquid form in pressurized tanks. Using the phase diagram, determine the minimum pressure required to keep CO2 in the liquid phase at 20 °C.The solid–liquid equilibrium line in the phase diagram of water has a negative slope, equal to −0.0076 °C bar−1. Calculate the freezing point of water beneath a glacier that is 3 km high and has a density of 917 kg/m3.
- Sketch a well-labelled typical phase diagram for a pure substance, and label all regions appropriately.Based on the ternary phase diagram, a binary mixture of furfural and water will always split into two liquid phases: 1) 95 % furfural, 5 % H2O and 2) 92 % H2O, 8 % furfural. Neither true nor false True False The actual composition depends on other experimental parameters.The following information is given for water at 1atm: boiling point = 100 °C Hvap(100 °C) = 40.7 kJ/mol melting point = 0 °C Hfus(0 °C) = 6.01 kJ/mol specific heat solid= 2.10 J/g°C specific heat liquid = 4.18 J/g°C What is H in kJ for the process of freezing a 41.7 g sample of liquid water at its normal melting point of 0 °C. _____KJ
- Which of the following phase diagrams corresponds to a system wherein the upper critical temperature is less than the boiling point at all compositions? A C E D BWhat named equation(s) define the lines in single-component phase diagrams?The following information is given for bismuth at 1atm: boiling point = 1627 °C Hvap(1627 °C) = 172 kJ/mol melting point = 271 °C Hfus(271 °C) = 11.0 kJ/mol specific heat solid= 0.126 J/g°C specific heat liquid = 0.151 J/g°C What is H in kJ for the process of freezing a 35.8 g sample of liquid bismuth at its normal melting point of 271 °C.________ kJ
- The following information is given for silver at 1atm: boiling point = 2212 °C Hvap(2212 °C) = 254 kJ/mol melting point = 961 °C Hfus(961 °C) = 12.0 kJ/mol specific heat solid= 0.238 J/g°C specific heat liquid = 0.285 J/g°C What is H in kJ for the process of freezing a 45.2 g sample of liquid silver at its normal melting point of 961 °C.1. How many triple points are there? 2. What is the most stable form of sulphur under normal conditions? 3. Describe what happens when sulphur at 1 atm is heated from 80 decrees Celsius to 200 decrees Celsius. 4. Determine the volume change for the transformation from rhombic to Monoclinic sulphur. 5. Estimate the pressure at which rhombic and monoclinic sulphur coexist in equilibrium at a temperature of 373 K.The figure below is the solid-liquid phase diagram for the substances A and B. a) Label the number of phases and the substances in equilibrium in each region. b) Identify the region(s) where three phases coexist in equilibrium. c) Describe what will be observed when liquids of compositions a and b are cooled to a temperature just under T2. Please answer all parts