Part A - Molar mass A gas mixture contains 3.6 kg of H2 with M_bar1 = 2.02 kg/kmol , 8.1 kg of N2 with M_bar2 = 28.01 kg/kmol , and 5.1 kg of Ar with M_bar3 = 39.95 kg/kmol. What is the apparent molar mass of the mixture? Express your answer with appropriate units to three significant figures. Part B - Specific enthalpy The mixture from Part A is initially at 330 K and 155 kPa . Heat is added until the mixture is at 430 K and 255 kPa. If cp1 = 14.307 kJ/kg⋅K, cp2 = 1.039 kJ/kg⋅K , and cp3 = 0.5203 kJ/kg⋅K, what is the change in specific enthalpy of the mixture using the perfect gas model? Express your answer with appropriate units to three significant figures. Part C - Entropy of mixing The mixture in Part A was formed by taking containers of H2, N2, and Ar all at 330 K and 155 kPa and allowing them to mix. Using the energy equation and ideal gas equation of state, it can be shown that if the gases are all initially at the same temperature and pressure, then the final mixture will be at that same temperature and pressure if no heat is transfered and no work is done. What is the total change in entropy for the mixing process? Express your answer with appropriate units to three significant figures.
Part A - Molar mass A gas mixture contains 3.6 kg of H2 with M_bar1 = 2.02 kg/kmol , 8.1 kg of N2 with M_bar2 = 28.01 kg/kmol , and 5.1 kg of Ar with M_bar3 = 39.95 kg/kmol. What is the apparent molar mass of the mixture? Express your answer with appropriate units to three significant figures. Part B - Specific enthalpy The mixture from Part A is initially at 330 K and 155 kPa . Heat is added until the mixture is at 430 K and 255 kPa. If cp1 = 14.307 kJ/kg⋅K, cp2 = 1.039 kJ/kg⋅K , and cp3 = 0.5203 kJ/kg⋅K, what is the change in specific enthalpy of the mixture using the perfect gas model? Express your answer with appropriate units to three significant figures. Part C - Entropy of mixing The mixture in Part A was formed by taking containers of H2, N2, and Ar all at 330 K and 155 kPa and allowing them to mix. Using the energy equation and ideal gas equation of state, it can be shown that if the gases are all initially at the same temperature and pressure, then the final mixture will be at that same temperature and pressure if no heat is transfered and no work is done. What is the total change in entropy for the mixing process? Express your answer with appropriate units to three significant figures.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
Part A - Molar mass
A gas mixture contains 3.6 kg of H2 with M_bar1 = 2.02 kg/kmol , 8.1 kg of N2 with M_bar2 = 28.01 kg/kmol , and 5.1 kg of Ar with M_bar3 = 39.95 kg/kmol. What is the apparent molar mass of the mixture?
Express your answer with appropriate units to three significant figures.
Part B - Specific enthalpy
The mixture from Part A is initially at 330 K and 155 kPa . Heat is added until the mixture is at 430 K and 255 kPa. If cp1 = 14.307 kJ/kg⋅K, cp2 = 1.039 kJ/kg⋅K , and cp3 = 0.5203 kJ/kg⋅K, what is the change in specific enthalpy of the mixture using the perfect gas model?
Express your answer with appropriate units to three significant figures.
Part C - Entropy of mixing
The mixture in Part A was formed by taking containers of H2, N2, and Ar all at 330 K and 155 kPa and allowing them to mix. Using the energy equation and ideal gas equation of state, it can be shown that if the gases are all initially at the same temperature and pressure, then the final mixture will be at that same temperature and pressure if no heat is transfered and no work is done. What is the total change in entropy for the mixing process?
Express your answer with appropriate units to three significant figures.
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