Define expression for the quantum yield of the reaction

Assignment Help Chemistry

Reference no: EM13495354

Consider the following mechanism: 1) A + h? ® A* rate1 = Ia excitation of A (a constant) 2) A* + A ® A2 rate2 = k2[A][A*] formation of product 3) A* ® A + h?f rate3 = k3[A*] fluorescence of A* a) Write an expression for d[A2]/dt. b) Apply the steady state approximation to A* and derive an expression for the steady state concentration of A*. c) Use the results of a and b to write an expression for d[A2]/dt in terms of only [A] and various constants. d) If we define the quantum yield as ? = d[A2]/dt / Ia , develop an expression for the quantum yield of the reaction. e) If the fluorescence is minimal (k3 = 0), what would be the value of?

Reference no: EM13495354

Questions Cloud

Determine the cross-sectional area of the solenoid : The inductance of a solenoid with 450 turns and a length of 35 cm is 5.5 mH. What is the cross-sectional area of the solenoid

Explain reactors and its role in the manufacturing : choose a process in any one of the industry ( cement or oil crude) and explain it that involves using a reactor , talk about that reactors and its role in the manufacturing of that "said industry",

Determine a firms financial condition by calculating : Determine a firm's financial condition by calculating and benchmarking specified ratios against other companies in the industry.

Explain the following thermochemical data are for 25oc : The following thermochemical data are for 25oC. H0f Cp H2O(l) - 286 kJ mole-1 + 75.3 joule mole-1 K-1 H+(aq) 0 0 OH-(aq) - 230 kJ mole-1 + 148 joule mole-1 K-1 For the self-ionization of water, H2O (l) H+ (aq) + OH-- (aq) What is the value of ?H..

Define expression for the quantum yield of the reaction : If we define the quantum yield as ? = d[A2]/dt / Ia , develop an expression for the quantum yield of the reaction. e) If the fluorescence is minimal (k3 = 0), what would be the value of

What is the period of revolution of the electrons : The angular speed can be represented as ? = (rad/s)(1 rev/2p rad) = 2.53e7 rev/s. The electrons travel around a circle of radius .07m, 25 million times per second. What is the period of revolution of the electrons

Define the financial perspective : The balance score card of the current period provides information in regard to both the past and future events. The diagram provides the information in regard to designing the innovated balance scorecard.

Evaluate the minimal withdrawal : A steam engine works between TH = 140C and TC = 30C. Calculate the minimal withdrawal from the hot source to yield 1 kJ of work

What is the nature of the process fluid : What is the nature of the process fluid and what are the objectives of the two sample points and in what way do the samples reaching the instruments differ?

User Account

All Pages