21.10.2014 Views

Physical Chemistry 3: — Chemical Kinetics — - Christian-Albrechts ...

Physical Chemistry 3: — Chemical Kinetics — - Christian-Albrechts ...

Physical Chemistry 3: — Chemical Kinetics — - Christian-Albrechts ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

iii<br />

2.7 Temperature dependence of rate coefficients 35<br />

2.7.1 Arrhenius equation 35<br />

2.7.2 Deviations from Arrhenius behavior 37<br />

2.7.3 Examples for non-Arrhenius behavior 38<br />

2.8 References 40<br />

3 <strong>Kinetics</strong> of complex reaction systems 41<br />

3.1 Determination of the order of a reaction 41<br />

3.2 Application of the steady-state assumption 43<br />

3.2.1 The reaction H 2 + Br 2 → 2 HBr 43<br />

3.2.2 Further examples 45<br />

3.3 Microscopic reversibility and detailed balancing 47<br />

3.4 Generalized first-order kinetics* 48<br />

3.4.1 Matrix method* 48<br />

3.4.2 Laplace transforms* 53<br />

3.5 Numerical integration 57<br />

3.5.1 Taylor series expansions 58<br />

3.5.2 Euler method 58<br />

3.5.3 Runge-Kutta methods 59<br />

3.5.4 Implicit methods (Gear): 61<br />

3.5.5 Extrapolation methods (Bulirsch-Stoer) 62<br />

3.5.6 Example: Consecutive first-order reactions 62<br />

3.6 Oscillating reactions* 66<br />

3.6.1 Autocatalysis 66<br />

3.6.2 <strong>Chemical</strong> oscillations 67<br />

3.7 References 75<br />

4 Experimental methods 76<br />

4.1 End product analysis 76<br />

4.2 Modulation techniques 77<br />

4.3 The discharge flow (DF) technique 78<br />

4.4 Flash photolysis (FP) 82<br />

4.5 Shock tube studies of high temperature kinetics 85<br />

4.6 Stopped flow studies 86

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!