Temperature (°C) 300 200 100 327°C a a +L 18.3 (CaE) 20 183°C Con In materials science, a phase is a homo true of the a phase? O It is a solid composed mostly of P O It is a solid composed mostly of P O It is mostly solid Pb, but it's partial O It is solid, pure Pb
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- 1. Immiscible components do not mix in the liquid phase, and each independently exerts its saturation pressure until they rach a certain phase they can form homogenous mixture? 2. It will be easier to separate the components of a vapor micture if they have the same concentration. True or FalseComplete the following table for water T, °F P, psia U, Btu/lbm phase description 300 782 40 Saturated liquidA substance exists in two solid modifications alpha and beta and also as liquid and vapour at a pressure of 1 atm alpha melts at a lower temperature to form liquid. Also alpha is denser than the liquid but beta is less dense than the liquid assuming that no meta stable equilibria are observed sketch p-t phase diagram show the significance of each point,line and region also show all triple points.
- Please show the complete solution. (Example: Conversion of Units) How much heat in kJ must be transferred to 20 kg of air to increase the temperature from 20 Degree Celsius to 280 Degree Celsius if the pressure is maintained constant?1. Visualize a substance with the following points on the phase diagram: a triplepoint at 0.05 atm and 150 K; a normal melting point at 175 K; a normal boiling pointat 350 K; and a critical point at 2.0 atm and 450 K. The solid liquid line is “normal”(meaning positive sloping). For this, complete the following:a. Roughly sketch the phase diagram, using units of atmosphere and Kelvin. Labelthe area 1, 2, and 3, and points T and C on the diagram.b. Describe what one would see at pressures and temperatures above 2.0 atmand 450 K.c. Describe the phase changes from 50 K to 250 K at 1.5 atm.d. What exists in a system that is at 1 atm and 350 K?e. What exists in a system that is at 1 atm and 175 K?2. Based from the phase diagrams of water and carbon dioxide, answer thefollowing questions and justify your answers: 1. You have ice at 263 K (-10.0 oC)and 1.0 atm. What could you do to make the ice sublime? 2. A sample of dry ice(solid CO2) is cooled to 173 K (-100.0 oC), and is set on a table at…QUESTION1 1.1 Name and explain three forms of density ?1.2 A mixture of two liquids of equal volume is made; the one has a relative density of 0.8 and the other a density of 980 kg/m3. What will be the weight of 2 500 liters?
- Material T, oC P, kPa v, m3/kg Quality, x Phase description Water 100 0.25 Water 300 100 R-134a 40 0.004 Fill out this table by using thermodynamic tables and show all details, calcuations and tables used to find the missing values.An ideal gas at 0.60 atmospheric and 87 deg C occupies 0.450 Liter. How many moles are in the sample? (R = 0.0821 atm/mole K) A transportation company specializes in the shipment of pressurized gaseous materials. An order is received for 100 liters of a particular gas at STP (32 deg F and 1 atm). What minimum volume tank is necessary to transport the gas at 80 deg F and a maximum pressure of 8 atm?Which of the following can be used to model the PVT relationship for BOTH LIQUIDS AND VAPORS? SELECT ALL correct answers below Truncated Virial Equation of State Redlick/Kwong Equation of State Pitzer's correlation for Z with Lee Kessler Tables Ideal Gas Equation of State
- A balloon filled with ideal Helium gas (a monatomic gas) is tethered outside, and over time the balloon contracts from a volume of 1.15×10^3 m^3 to a volume of 1.05×10^3 m^3 . Assume that as it is contracting, the balloon maintains a constant pressure of 1.00 atm ( 1.013×10^5 Pa). The balloon contains 50,000 moles of Helium gas. a) Complete the following: i. Sketch a PV diagram for this process below. Label the pressures and volumes relevant at the initial and final times. ii. Find the work done by the environment on the gas during this process. Show your work! iii. Answer the following question: Did energy in the form of work enter or leave the system of Helium gas during the contraction? b) Find the change in the internal energy of the Helium gas during the process. c) Find the amount of heat transfer to or from the environment during this process and then answer the following question: Was the environment (outside atmosphere) at a higher or lower temperature than the helium gas…As a future engineer, give a sample situation where Duhem’s Theorem can be applied in the industry. Enumerate all possible variables that must be specified to fully determine the intensive and extensive states of the system. Also, enumerate possible changes that would affect the intensive and extensive coordinates. 1. Describe the system. What are the phases and components present in the system?2. What are the extensive and intensive variables to completely determine the equilibrium state of the system?Of the 3 Volume roots of the cubic equations of state which may be complex, and lying below and above the saturation pressure, the smallest root is liquid-like and the largest is vapor-like, what can describe the third one lying between two values?a. metastable stateb. insignificantc. supersaturation pressured. two-phase region