The methane (CH4) gas at 25°C is fed into a furnace with 100% excess air at 100°C. Q 1.0 mol CH4(g), 25°C 4.0 mol O₂(g) 15.04 mol N₂(g) 100°C (a) (b) (c) Furnace 1.0 mol CO2(g) 2.0 mol H₂O(v) 2.0 mol O₂(g) 15.04 mol N₂(g) 1000°C Taking a basis of 1 mole of methane gas feed and assuming complete combustion use the values of heat of formation to calculate the value of heat of reaction 1000°C in kJ/mol. CH4(g) +202(g) → CO2(g) + 2H200 2H₂0) Calculate the Higher Heating Value (HHV) and Lower Heating Value (LHV) of pur methane in kJ/mol. Calculate again the HHV and LHV of a methane mixture with 4% by volume of norm combustible nitrogen as impurity in kJ/kg.
The methane (CH4) gas at 25°C is fed into a furnace with 100% excess air at 100°C. Q 1.0 mol CH4(g), 25°C 4.0 mol O₂(g) 15.04 mol N₂(g) 100°C (a) (b) (c) Furnace 1.0 mol CO2(g) 2.0 mol H₂O(v) 2.0 mol O₂(g) 15.04 mol N₂(g) 1000°C Taking a basis of 1 mole of methane gas feed and assuming complete combustion use the values of heat of formation to calculate the value of heat of reaction 1000°C in kJ/mol. CH4(g) +202(g) → CO2(g) + 2H200 2H₂0) Calculate the Higher Heating Value (HHV) and Lower Heating Value (LHV) of pur methane in kJ/mol. Calculate again the HHV and LHV of a methane mixture with 4% by volume of norm combustible nitrogen as impurity in kJ/kg.
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
Related questions
Question
Transcribed Image Text:3
You should attempt three que
The methane (CH4) gas at 25°C is fed into a furnace with 100% excess air at 100°C.
Q
1.0 mol CH4(g), 25°C
4.0 mol O₂(g)
15.04 mol N₂(g)
100°C
(a)
(b)
(c)
Furnace
1.0 mol CO2(g)
2.0 mol H₂O(v)
Taking a basis of 1 mole of methane gas feed and assuming complete combustion,
use the values of heat of formation to calculate the value of heat of reaction at
1000°C in kJ/mol.
2.0 mol O2(g)
15.04 mol N₂(g)
1000°C
CH4(g) +202(g) → CO2(g) + 2H20(V)
O
Calculate the Higher Heating Value (HHV) and Lower Heating Value (LHV) of pure
methane in kJ/mol.
Calculate again the HHV and LHV of a methane mixture with 4% by volume of non-
combustible nitrogen as impurity in kJ/kg.
For H₂O, AR(v)=-241.83 (kJ/mol)
AH, 40.656 kJ/mol at 100°C
Cp (v) 33.46x10-3+0.6880x10
Cp (1)-75.4x10-3 (kJ/mol-°C)
Physical property data:
For CH4(g), AR=-74.85 (kJ/mol)
Cp 34.31x10 3+5.469x10-5T+0.3661x10 T2-11.0x10-12T3 (kJ/mol-°C) where T is in °C
For CO₂(g), AĤ=-393.5 (kJ/mol)
Cp 36.11x10 3+4.233x10-5T-2.887x10-8T2+7.464x10-12T3 (kJ/mol-°C) where T is in °C
5T+0.7604x10-T²-3.593x10-12T3 (kJ/mol-°C) where T is in °C
Module code: CAPE205001
For O2(g),
Co 29.10x10-3+1.158x10-5T-0.6076x10 T2+1.311x10-12T3 (kJ/mol-°C) where T is in °C
For N₂(g),
Cp 29.00×10-3+0.2199x10-5T+0.5723x10 8T2-2.871x10-12T3 (kJ/mol-°C) where T is in °C
Atomic weights of H, C, N, and O are respectively, 1, 12, 14, and 16.
Page 4 of 5
Turn the page over
compound in plastics
industo Direct
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 8 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The