16. Calculate the internal energy of combustion per unit mass for gaseous propane, C3H8, at 25°C with the H₂O of combustion in the liquid phase from the corresponding value of Ah = -50 360 kJ/kg. (-50 191 kJ/kg) 17. Calculate the internal energy of combustion per unit mass for liquid propane, C3H8, at 25°C with the H₂O of combustion in the vapour phase from the corresponding value of Ah = - 45 992 kJ/kg (-46 105 kJ/kg) 8 18. An for hydrogen at 60°C given as - 242 400 kJ/kmol. Calculate An at 1950°C given that the molar enthalpies of the gases concerned are as in Table below. Table 19: Relevant molar enthalpies of the gases for tutorial set 1 problem 18 T= 333 K Gas H₂ 0₂ H₂O 1012.32 1035.75 1181.7 T=2223 K 60671.33 67686.35 84251.32 (-252 087 kJ/kmol)
16. Calculate the internal energy of combustion per unit mass for gaseous propane, C3H8, at 25°C with the H₂O of combustion in the liquid phase from the corresponding value of Ah = -50 360 kJ/kg. (-50 191 kJ/kg) 17. Calculate the internal energy of combustion per unit mass for liquid propane, C3H8, at 25°C with the H₂O of combustion in the vapour phase from the corresponding value of Ah = - 45 992 kJ/kg (-46 105 kJ/kg) 8 18. An for hydrogen at 60°C given as - 242 400 kJ/kmol. Calculate An at 1950°C given that the molar enthalpies of the gases concerned are as in Table below. Table 19: Relevant molar enthalpies of the gases for tutorial set 1 problem 18 T= 333 K Gas H₂ 0₂ H₂O 1012.32 1035.75 1181.7 T=2223 K 60671.33 67686.35 84251.32 (-252 087 kJ/kmol)
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Question
Transcribed Image Text:16. Calculate the internal energy of combustion per unit mass for gaseous propane,
C3H₁, at 25°C with the H₂O of combustion in the liquid phase from the
corresponding value of Ah = -50 360 kJ/kg.
(-50 191 kJ/kg)
17. Calculate the internal energy of combustion per unit mass for liquid propane,
C3Hs. at 25°C with the H₂O of combustion in the vapour phase from the
corresponding value of Ah* = - 45 992 kJ/kg
(-46 105 kJ/kg)
18. An for hydrogen at 60°C given as - 242 400 kJ/kmol. Calculate Añº at
1950°C given that the molar enthalpies of the gases concerned are as in Table
below.
Table 19: Relevant molar enthalpies of the gases for tutorial set 1 problem 18
T = 333 K
Gas
H₂
0₂
H₂O
1012.32
1035.75
1181.7
T = 2223 K
60671.33
67686.35
84251.32
(-252 087 kJ/kmol)
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