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ddτx = k1(a x)(b x) k2 (c + x) .

To which type of reactions does this reaction belong? Give its schematic representation.

6. The conversion of NH4CNS to (NH2)2CS is a reversible monomolecular reaction. Calculate the rate constants of the direct and reverse reactions at 450°C, using the following experimental data:

 

 

τ, min

0

 

5

 

12

 

19

 

28

 

38

 

48

 

 

 

% of

2

 

3.8

 

6.2

 

7.1

 

8.2

 

10.4

 

12.3

 

4.2

 

NH4CNS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.3. REFERENCES

 

 

 

 

 

1.

A.G.

Stromberg

 

and D.P.

Semchenko,

Fizicheskaya

khimiya

(Physical Chemistry), М.: Vysshaya shkola, 2003, 527 p. [In Russian]

2.

Kratkii

kurs fizicheskoi

khimii

(Brief

Course

of

Physical

Chemistry), Textbook for institutions of higher education (Ed.: S.N. Kondratiev), М.: Vysshaya shkola, 1978, 312 p. [In Russian]

3. A.G. Golikov, Rukovodstvo po fizicheskoi khimii (Instruction Manual on Physical Chemistry), М.: Vysshaya shkola, 1988, 383 p.

4. N.M. Emmanuel and D.G. Knorre, Kurs khimicheskoi kinetiki (Course of Chemical Kinetics), Textbook for institutions of higher education, М.: Vysshaya shkola, 1984, 463 p. [In Russian]

5. G.M. Pagenkov and V.P. Lebedev, Khimicheskaya kinetika i kataliz (Chemical Kinetics and Catalysis), Textbook for institutions of higher education, М.: Khimiya, 1985, 590 p. [In Russian]

6. I.V. Kudryashov and G.S. Karetnikov, Sbornik primerov i zadach po fizicheskoi khimii (Workbook of Exercises and Problems on Physical Chemistry), М.: Vysshaya shkola, 1991, 527 p. [In Russian]

7. Kratkii spravochnik fiziko-khimicheskikh velichin (Short Handbook of Physicochemical Values (Eds.: A.A. Ravdel and A.M. ponomareva), Leningrad: Khimiya, 1983, 232 p. [In Russian]

8. Fizicheskaya khimiya v voprosakh i otvetakh (Physical Chemistry in Questions and Answers) (Eds.: K.V. Topchieva and N.V. Fedorovich), M.: Moscow State University, 1981, 24 p. [In Russian]

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