LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

BH 28

M.Sc. DEGREE EXAMINATION – CHEMISTRY

THIRD SEMESTER – APRIL 2008

    CS 3902 – COMPUTERS IN CHEMISTRY

 

 

 

Date : 05/05/2008            Dept. No.                                        Max. : 100 Marks

Time : 9:00 – 12:00

PART – A

Answer ALL of the following:                                                                     10 x 2 = 20

(Note: program should  not be written for part – A)

1. Define constant. What are the types of constants?
2. Define structure.
3. Name the different control statements.
4. Convert into C expression

P(x)=F₀ + 2ΣF_hcos(2Πhx)

1. Convert into C expression
   1. X1 – X2 = 0.18(E1-(E2 * E3)^1/2)^1/2
2. Write a loop to calculate the concentration of n different system.
3. Write a for loop to calculate the molecular weight of n compound.
4. Write a switch case to determine the method using Woodward – Hoffman rule for electrolytic reactions
5. Write any four application of computer in chemistry.
6. What is the use of header file?

PART – B

Answer ALL of the following:                                                   5 x 8 = 40

11.a. What is an array? How will you declare an array. Write a C program to store n numbers in an

array.

(OR)

1. Explain the conditional operator with an example.

 

12.a.Write a C program to find the wavelength using Debroglie equation.                                                                                              (OR)

1. Write a C program to calculate Gribb’s free energy function.

 

13.a. Write a C program to determine the solubility of sparingly soluble salt.

(OR)

1. Write a C program to determine the Half life and average life.

 

 

 

 

14.a. Write  C program to calculate the  wavelength for conjugate diene.

(OR)

1. Write a C program to calculate the molecular weight.

 

15.a Write a C program to calculate the amount of calcium in a given substance

using Titrimetric method.

(OR)

1. Write a C program to determine proteine using Biuret method.

 

 

PART – C

Answer any TWO of the following:                                          2 X 20 = 40

 

16.a. Explain in detail the various  operators in C.

 

17.a. Check the condition for secular equation for Ethylene. Write a C program for

the same.

1. Write a C program using functions to calculate
2. Binding energy
3. Half and Average life .

 

18.a. Write a C program to calculate the molecular weight .

1. Write a C program to calculate the Glucose level using Orthotoludine method.

 

 

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