Download GTU BE/B.Tech 2019 Summer 6th Sem New 2163508 Basics Of Thermodynamics And Kinetics Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem New 2163508 Basics Of Thermodynamics And Kinetics Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2163508 Date:16/05/2019
Subject Name:Basics of Thermodynamics & Kinetics
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Define: Extensive property, intensive property and reversible process 03
(b) Explain phase rule with equation. 04
(c) Derive fundamental property relation equation for U, H, A and G. 07
Q.2 (a) Define modified Raoult?s law with equation. 03
(b) List out different methods for thermodynamic consistency test and explain
any two in detail.
04
(c) Mixtures of n-Pentane (1) and n-Heptane (2) conform to ideal solution
behaviour. The vapour pressures of pure components are adequately
described by Antoine?s equation. Prepare P-x-y diagram at 70
0
C.
A B C
n-Pentane 6.87632 1075.780 233.205
n-Heptane 6.89386 1264.370 216.640

Use Antoine?s equation: log10P = A ? ( B / ( T + C ) ) where pressure P is
in Torr and temperature T is in
0
C.
07
OR
(c) Prepare P-X-Y diagram at temperature of 100
0
C for a binary system
Benzene(1) and Ethyl benzene(2).Assume that Raoult?s low is valid and
use the following Antonie equation.
lnP1
sat
= A ? B/( T + C)
Where P1
sat
in KPa and T is in
0
C
Component A B C
Benzene 13.8594 2773.78 220.07
Ethyl benzene 14.0045 3279.47 213.20

07
Q.3 (a) Explain Henry?s law. 03
(b) Explain limitations of chemical potential. 04
(c) Write different methods for determination of partial molar properties and
explain any one in detail.
07
OR
Q.3 (a) Explain Lewis Randall rule. 03
(b) Explain maximum boiling azeotrope with example. 04
(c) Derive Gibbs Duhum equation. 07
Q.4 (a) Write a short note of equilibrium constant with equation. 03
(b) Derive ?G
0
= -RT ln K 04
(c) Explain criteria of chemical reaction equilibrium. 07
OR
Q.4 (a) Define: Excess properties and Residual properties 03
(b) Explain effect of temperature on Equilibrium constant. 04
(c) Write the steps for calculating DEW P and DEW T using modified
Raoult?s law.
07
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2163508 Date:16/05/2019
Subject Name:Basics of Thermodynamics & Kinetics
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Define: Extensive property, intensive property and reversible process 03
(b) Explain phase rule with equation. 04
(c) Derive fundamental property relation equation for U, H, A and G. 07
Q.2 (a) Define modified Raoult?s law with equation. 03
(b) List out different methods for thermodynamic consistency test and explain
any two in detail.
04
(c) Mixtures of n-Pentane (1) and n-Heptane (2) conform to ideal solution
behaviour. The vapour pressures of pure components are adequately
described by Antoine?s equation. Prepare P-x-y diagram at 70
0
C.
A B C
n-Pentane 6.87632 1075.780 233.205
n-Heptane 6.89386 1264.370 216.640

Use Antoine?s equation: log10P = A ? ( B / ( T + C ) ) where pressure P is
in Torr and temperature T is in
0
C.
07
OR
(c) Prepare P-X-Y diagram at temperature of 100
0
C for a binary system
Benzene(1) and Ethyl benzene(2).Assume that Raoult?s low is valid and
use the following Antonie equation.
lnP1
sat
= A ? B/( T + C)
Where P1
sat
in KPa and T is in
0
C
Component A B C
Benzene 13.8594 2773.78 220.07
Ethyl benzene 14.0045 3279.47 213.20

07
Q.3 (a) Explain Henry?s law. 03
(b) Explain limitations of chemical potential. 04
(c) Write different methods for determination of partial molar properties and
explain any one in detail.
07
OR
Q.3 (a) Explain Lewis Randall rule. 03
(b) Explain maximum boiling azeotrope with example. 04
(c) Derive Gibbs Duhum equation. 07
Q.4 (a) Write a short note of equilibrium constant with equation. 03
(b) Derive ?G
0
= -RT ln K 04
(c) Explain criteria of chemical reaction equilibrium. 07
OR
Q.4 (a) Define: Excess properties and Residual properties 03
(b) Explain effect of temperature on Equilibrium constant. 04
(c) Write the steps for calculating DEW P and DEW T using modified
Raoult?s law.
07
2
Q.5 (a) The activation energy of a bimolecular reaction is about 9150 Cal/mol.
How much faster is this reaction takes place at 500 K than at 400 K?
03
(b) Write difference between order of reaction and molecularity of reaction. 04
(c) Derive the rate equation for constant volume batch reactor for second
order reaction in terms of conversion.
07
OR

Q.5 (a) Define: Catalyst deactivation and different types of catalyst deactivation. 03
(b) Write difference between integral and differential method of rate analysis. 04
(c) Write a short note on Transition state theory. 07

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