n о Faculty of Engineering Second Semester Final Examination CHE 228: Engineering Chemistry (2 Units) Time: 2hrs Answer 4 Questions QUESTION 1 (17.5 Marks) (af Explain the following thermodynamic processes; Adiabatic Isochoric = Date: 28/04/2023 IV. Isobaric Isothermal (b) Hydrogen gas is expanded reversibly and adiabatically from a volume of 1.43 dm' at a pressure of 3 atm and 25°C until the volume is 2.86 dm' (Cpm-29jk-Imol-1, r -1.40). Calculate the Final temperature and pressure of the gas after expansion, the gas maybe assumed to be ideal gas qw, AE and AH QUESTION 2 (17.5 Marks) CHE (a) 1. Determine the differential and integral rate law using the equation for production of ammonia by Haber process shown below N₂+ 3H22NH, Co) + H2O(1) CO2(a) + H2(a) ii. Derive an equilibrium-constant, K from the equation obtained from 2(a) 1 (b) The homogenous irreversible reaction at 1000K, AG atmospheric for the reaction Let the feed stream contains 3 -2860j/mol and the mol Co, 1 mol H2O, 2mol CO, and 1 mol Hy. The initial constitution for the basic for the reaction then calculate the; i. Equilibrium constant, K ii. Extent of reaction, E iii. Mole fraction, y QUESTION 3 (17.5 Marks) (a) i. What is electrochemical cell? ii. Describe with the aid of a labeled diagram the mode of operation of galvanic cell (b) The emf of a cell corresponding to the reaction At 1.0 atm is 0.30V and 25°C. From the equation below i. Zn+2H(aq) → Zn (0.1m) + Hz Write the half-cell reaction and ii. Calculate the pll of the hydrogen electrode [Ell-0.76V] (c) Write the ionic balanced equation for the redox reaction between acidic KMnO, and H2C2O4- под S/XI O Wd 90:9

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
Question
100%
Please I need solutions to this past question,I need it before 8:00pm WST
n
о
Faculty of Engineering
Second Semester Final Examination
CHE 228: Engineering Chemistry (2 Units)
Time: 2hrs
Answer 4 Questions
QUESTION 1 (17.5 Marks)
(af Explain the following thermodynamic processes;
Adiabatic
Isochoric
=
Date: 28/04/2023
IV.
Isobaric
Isothermal
(b) Hydrogen gas is expanded reversibly and adiabatically from a volume of 1.43 dm' at
a pressure of 3 atm and 25°C until the volume is 2.86 dm' (Cpm-29jk-Imol-1, r
-1.40). Calculate the
Final temperature and pressure of the gas after expansion, the gas maybe
assumed to be ideal gas
qw, AE and AH
QUESTION 2 (17.5 Marks)
CHE
(a) 1. Determine the
differential and integral rate law using the equation for production of
ammonia by Haber process shown below
N₂+
3H22NH,
Co) + H2O(1)
CO2(a) + H2(a)
ii. Derive an equilibrium-constant, K from the equation obtained from 2(a) 1
(b) The homogenous irreversible reaction at 1000K, AG
atmospheric for the reaction
Let the feed stream contains 3
-2860j/mol and the
mol Co, 1 mol H2O, 2mol CO, and 1 mol Hy. The initial
constitution for the basic for the reaction then calculate the;
i.
Equilibrium constant, K
ii.
Extent of reaction, E
iii. Mole fraction, y
QUESTION 3 (17.5 Marks)
(a) i. What is electrochemical cell?
ii. Describe with the aid of a labeled diagram the mode of operation of galvanic
cell
(b) The emf of a cell corresponding to the reaction At 1.0 atm is 0.30V and 25°C. From
the equation below
i.
Zn+2H(aq) → Zn (0.1m) + Hz
Write the half-cell reaction and
ii. Calculate the pll of the hydrogen electrode [Ell-0.76V]
(c) Write the ionic balanced equation for the redox reaction between acidic KMnO, and
H2C2O4-
под
S/XI
O Wd 90:9
Transcribed Image Text:n о Faculty of Engineering Second Semester Final Examination CHE 228: Engineering Chemistry (2 Units) Time: 2hrs Answer 4 Questions QUESTION 1 (17.5 Marks) (af Explain the following thermodynamic processes; Adiabatic Isochoric = Date: 28/04/2023 IV. Isobaric Isothermal (b) Hydrogen gas is expanded reversibly and adiabatically from a volume of 1.43 dm' at a pressure of 3 atm and 25°C until the volume is 2.86 dm' (Cpm-29jk-Imol-1, r -1.40). Calculate the Final temperature and pressure of the gas after expansion, the gas maybe assumed to be ideal gas qw, AE and AH QUESTION 2 (17.5 Marks) CHE (a) 1. Determine the differential and integral rate law using the equation for production of ammonia by Haber process shown below N₂+ 3H22NH, Co) + H2O(1) CO2(a) + H2(a) ii. Derive an equilibrium-constant, K from the equation obtained from 2(a) 1 (b) The homogenous irreversible reaction at 1000K, AG atmospheric for the reaction Let the feed stream contains 3 -2860j/mol and the mol Co, 1 mol H2O, 2mol CO, and 1 mol Hy. The initial constitution for the basic for the reaction then calculate the; i. Equilibrium constant, K ii. Extent of reaction, E iii. Mole fraction, y QUESTION 3 (17.5 Marks) (a) i. What is electrochemical cell? ii. Describe with the aid of a labeled diagram the mode of operation of galvanic cell (b) The emf of a cell corresponding to the reaction At 1.0 atm is 0.30V and 25°C. From the equation below i. Zn+2H(aq) → Zn (0.1m) + Hz Write the half-cell reaction and ii. Calculate the pll of the hydrogen electrode [Ell-0.76V] (c) Write the ionic balanced equation for the redox reaction between acidic KMnO, and H2C2O4- под S/XI O Wd 90:9
Expert Solution
steps

Step by step

Solved in 2 steps

Blurred answer
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
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…
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…
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Process Dynamics and Control, 4e
Process Dynamics and Control, 4e
Chemical Engineering
ISBN:
9781119285915
Author:
Seborg
Publisher:
WILEY
Industrial Plastics: Theory and Applications
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The