II B.Tech II Semester Supplimentary Examinations,February 2010 PHYSICAL CHEMISTRY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Define nernst distribution law.
(b) What are the conditions for the validity of the distribution law.
[2+6+8]
ld .
(c) Prove that C 1 /C2 = KD
i. One component ii. Two component iii. Three component
or
2. (a) What are the number of degrees of freedom, no. Phases for the following system
[3+3+3]
(b) What are the advantages and limitations of phase rule
[7]
3. Discuss about liquids in solids (gels).
[16]
uW
4. (a) What are enzymes. How they are classified according to reactions. (b) Discuss the important factors that affect the enzyme-catalyzed reactions. [8+8] 5. (a) What is electrolysis? Explain the mechanism of electrolysis with example (b) Explain the first law of faraday law of electrolysis.
[10+6]
6. (a) Distinguish between lyophilic and lyophobic colloids [8+8]
nt
(b) Write short note on mechanical dispersion using colloidal mill. 7. (a) The following mechanism has been suggested for the reaction
Aj
i. 2NO == N2 O2 ii. N2 O2 +H2 → N2 O + H2 O iii. N2 O + H2 → N2 + H2 O
If the second step is rate-determining step what is rate law for this reaction?
(b) Explain the following i. Upper and lower explosion limits ii. Thermal explosion limits. [8+8]
8. (a) What do you understand by the order and molecularity of a reaction? Derive an expression for the velocity constant of first order reaction.
1
Code No: 24063
RR
Set No. 2
(b) A solution of H2 O2 when titrated against KM nO4 solution at different time intervals gave the following data time ( min ) 0.0 10.0 20.0 volume of KM nO4 used for 10ml of H2 O2 23.8 14.7 9.1 Show that the decomposition of H2 O2 is first order reaction. [8+8]
Aj
nt
uW
or
ld .
in
?????
2
Code No: 24063
RR
Set No. 4
in
II B.Tech II Semester Supplimentary Examinations,February 2010 PHYSICAL CHEMISTRY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) What are the number of degrees of freedom, no. Phases for the following system
ld .
i. One component ii. Two component iii. Three component
[3+3+3]
(b) What are the advantages and limitations of phase rule
[7]
or
2. (a) What are enzymes. How they are classified according to reactions.
(b) Discuss the important factors that affect the enzyme-catalyzed reactions. [8+8] 3. (a) What is electrolysis? Explain the mechanism of electrolysis with example (b) Explain the first law of faraday law of electrolysis.
[10+6]
uW
4. (a) The following mechanism has been suggested for the reaction i. 2NO == N2 O2 ii. N2 O2 +H2 → N2 O + H2 O iii. N2 O + H2 → N2 + H2 O
If the second step is rate-determining step what is rate law for this reaction? (b) Explain the following
nt
i. Upper and lower explosion limits ii. Thermal explosion limits. [8+8]
5. Discuss about liquids in solids (gels).
[16]
Aj
6. (a) Define nernst distribution law. (b) What are the conditions for the validity of the distribution law. (c) Prove that C 1 /C2 = KD
[2+6+8]
7. (a) Distinguish between lyophilic and lyophobic colloids (b) Write short note on mechanical dispersion using colloidal mill.
[8+8]
8. (a) What do you understand by the order and molecularity of a reaction? Derive an expression for the velocity constant of first order reaction.
3
Code No: 24063
RR
Set No. 4
(b) A solution of H2 O2 when titrated against KM nO4 solution at different time intervals gave the following data time ( min ) 0.0 10.0 20.0 volume of KM nO4 used for 10ml of H2 O2 23.8 14.7 9.1 Show that the decomposition of H2 O2 is first order reaction. [8+8]
Aj
nt
uW
or
ld .
in
?????
4
Code No: 24063
RR
Set No. 1
1. (a) Distinguish between lyophilic and lyophobic colloids
in
II B.Tech II Semester Supplimentary Examinations,February 2010 PHYSICAL CHEMISTRY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
[8+8]
ld .
(b) Write short note on mechanical dispersion using colloidal mill.
2. (a) What do you understand by the order and molecularity of a reaction? Derive an expression for the velocity constant of first order reaction.
or
(b) A solution of H2 O2 when titrated against KM nO4 solution at different time intervals gave the following data time ( min ) 0.0 10.0 20.0 volume of KM nO4 used for 10ml of H2 O2 23.8 14.7 9.1 Show that the decomposition of H2 O2 is first order reaction. [8+8] 3. (a) What is electrolysis? Explain the mechanism of electrolysis with example (b) Explain the first law of faraday law of electrolysis.
[10+6]
uW
4. (a) The following mechanism has been suggested for the reaction i. 2NO == N2 O2 ii. N2 O2 +H2 → N2 O + H2 O iii. N2 O + H2 → N2 + H2 O
If the second step is rate-determining step what is rate law for this reaction? (b) Explain the following
nt
i. Upper and lower explosion limits ii. Thermal explosion limits. [8+8]
5. (a) What are enzymes. How they are classified according to reactions.
Aj
(b) Discuss the important factors that affect the enzyme-catalyzed reactions. [8+8]
6. (a) What are the number of degrees of freedom, no. Phases for the following system i. One component ii. Two component iii. Three component
[3+3+3]
(b) What are the advantages and limitations of phase rule 7. (a) Define nernst distribution law. 5
[7]
Code No: 24063
RR
Set No. 1
(b) What are the conditions for the validity of the distribution law. (c) Prove that C 1 /C2 = KD
[2+6+8]
8. Discuss about liquids in solids (gels).
[16]
Aj
nt
uW
or
ld .
in
?????
6
Code No: 24063
RR
Set No. 3
1. (a) Distinguish between lyophilic and lyophobic colloids
in
II B.Tech II Semester Supplimentary Examinations,February 2010 PHYSICAL CHEMISTRY Chemical Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
[8+8]
ld .
(b) Write short note on mechanical dispersion using colloidal mill. 2. (a) Define nernst distribution law.
(b) What are the conditions for the validity of the distribution law. (c) Prove that C 1 /C2 = KD
[2+6+8]
3. (a) What is electrolysis? Explain the mechanism of electrolysis with example
or
(b) Explain the first law of faraday law of electrolysis.
[10+6]
4. (a) The following mechanism has been suggested for the reaction
uW
i. 2NO == N2 O2 ii. N2 O2 +H2 → N2 O + H2 O iii. N2 O + H2 → N2 + H2 O
If the second step is rate-determining step what is rate law for this reaction? (b) Explain the following
i. Upper and lower explosion limits ii. Thermal explosion limits.
nt
5. Discuss about liquids in solids (gels).
[8+8] [16]
6. (a) What are the number of degrees of freedom, no. Phases for the following system
Aj
i. One component ii. Two component iii. Three component
[3+3+3]
(b) What are the advantages and limitations of phase rule
[7]
7. (a) What are enzymes. How they are classified according to reactions. (b) Discuss the important factors that affect the enzyme-catalyzed reactions. [8+8] 8. (a) What do you understand by the order and molecularity of a reaction? Derive an expression for the velocity constant of first order reaction.
7
Code No: 24063
RR
Set No. 3
(b) A solution of H2 O2 when titrated against KM nO4 solution at different time intervals gave the following data time ( min ) 0.0 10.0 20.0 volume of KM nO4 used for 10ml of H2 O2 23.8 14.7 9.1 Show that the decomposition of H2 O2 is first order reaction. [8+8]
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Code No: RR420203. RR. Set No. 2. IV B.Tech II Semester Examinations,APRIL 2011 · V L S I DESIGN · Electrical And Electronics Engineering · Time: 3 hours.
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Explain about Pseudo-logic and draw the circuit topology of a three-input NOR · gate designed in Pseudo - NMOS. [16] · 3. Define different current parameters of Digital IC and explain their significance.[16] · 4. Design the seven segment decoding fun
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Common to Information Technology, Electronics And Computer · Engineering ... List the blending functions suitable for cubic Bezier curves. Discuss their ...
Chemical Engineering · Time: 3 hours · Max Marks: 80 ... 8. Explain the following: (a) The partial time derivative. (b) Total time derivative. (c) Substantial time ...
