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problem 5 completely (part a, b and c). With steps. There is a bit correction as following.. MISPRINT in problem 5: last but one line, where it is written: "the heat added during the ADIABATIC expansion...", it should be instead "the heat added during the ISOBARIC expansion..."

problem 5 completely (part a, b and c). With steps. There is a bit correction as following.. MISPRINT in problem 5: last but one line, where it is written: "the heat added during the ADIABATIC expansion...", it should be instead "the heat added during the ISOBARIC expansion..."

Elements Of Electromagnetics
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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Plz solve me problem 5 completely (part a, b and c). With steps. There is a bit correction as following.. MISPRINT in problem 5: last but one line, where it is written: "the heat added during the ADIABATIC expansion...", it should be instead "the heat added during the ISOBARIC expansion..."
(c) Ten liters of water, with initial temperature T=20 °C, is mixed with an unknown mass of ice with initial temperature lice= -40 isolated. When thermodynamic equilibrium is reached, the state of the system is a mixture of water+ice with 50% liquid water. Find the unknown mass of ice. Consider the system water+ice to be Problem 5- Thermodynamics One mole of monoatomic ideal gas performs a cycle in four steps in the P-V diagram. The first step, A-> B, is an isobaric expansion; the second step, B-> C, is a adiabatic expansion; the third step, C-> D, is an isobaric compression; and the forth step, D -> A, is an adiabatic compression returning the gas to its original state. Assume that: VA = 0.83 m; TA = 1000 K; Vç = 4V, mở; the heat added to the gas during the adiabatic expansion is Qag = 2.5x0.83x10 J. Find: (a) the pressures and volumes of states B and D; (b) the sign and value of the change in entropy for the transformation C-> D; (c) the efficiency of the cycle. (Hint: use (0.5)/3-0.31 and In2=0.69).
Transcribed Image Text:(c) Ten liters of water, with initial temperature T=20 °C, is mixed with an unknown mass of ice with initial temperature lice= -40 isolated. When thermodynamic equilibrium is reached, the state of the system is a mixture of water+ice with 50% liquid water. Find the unknown mass of ice. Consider the system water+ice to be Problem 5- Thermodynamics One mole of monoatomic ideal gas performs a cycle in four steps in the P-V diagram. The first step, A-> B, is an isobaric expansion; the second step, B-> C, is a adiabatic expansion; the third step, C-> D, is an isobaric compression; and the forth step, D -> A, is an adiabatic compression returning the gas to its original state. Assume that: VA = 0.83 m; TA = 1000 K; Vç = 4V, mở; the heat added to the gas during the adiabatic expansion is Qag = 2.5x0.83x10 J. Find: (a) the pressures and volumes of states B and D; (b) the sign and value of the change in entropy for the transformation C-> D; (c) the efficiency of the cycle. (Hint: use (0.5)/3-0.31 and In2=0.69).
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