where i denotes the ith decay mechanism.Give the equation for quantum yield Pj.rate of formation of the singlet staterate of ith decay mechanismrate of ith decay mechanismrate of removal of the singlet state2 0; =rate of ith decay mechanismrate of formation of the singlet staterate of removal of the singlet staterate of ith decay mechanismO; =Step 4 of 6Give the quantum yield Þj. (Use the following as necessary: kj, k1, k2, k3, and t.)k + k, + kki3ki + k2 + k3Recalling the relationship between the overall rate constant, k, and the mean lifetime, T, give the quantum yield P; in terms of t and Tj. (Use the following as necessary: T and T;)iStep 5 of 6(c) If T1 = 1×10-/ s, T2 = 4x10-8 s, and T3 = 1×10-8 s, calculate the lifetime of the singlet state and the quantum yield for the path that has T2. (Enter an unrounded value with at least 3 digits.)Calculateusing the equation given in (b).s-1Solve for T, the lifetime of the singlet state.T =

Given: Γ1 = 1 x 10-7 sΓ2 = 4 x 10-8 sΓ3 = 1 x 10-8 s To Calculate: Lifetime of singlet state and…

(c) If T, = 1x10-7 s, T2 = 4x10-8 s, and T3 = 1x10-8 s, calculate the lifetime of the singlet state and the quantum yield for the path that has T2: (Enter an unrounded value with :least 3 digits.) Calculate using the equation given in (b). s-! Solve for T, the lifetime of the singlet state. T =

(c) If T, = 1x10-7 s, T2 = 4x10-8 s, and T3 = 1x10-8 s, calculate the lifetime of the singlet state and the quantum yield for the path that has T2: (Enter an unrounded value with :least 3 digits.) Calculate using the equation given in (b). s-! Solve for T, the lifetime of the singlet state. T =

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter6: Random Errors In Chemical Analysis

Section: Chapter Questions

Problem 6.16QAP

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Concept explainers

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.

Question

where i denotes the ith decay mechanism.
Give the equation for quantum yield Pj.
rate of formation of the singlet state
rate of ith decay mechanism
rate of ith decay mechanism
rate of removal of the singlet state
2 0; =
rate of ith decay mechanism
rate of formation of the singlet state
rate of removal of the singlet state
rate of ith decay mechanism
O; =
Step 4 of 6
Give the quantum yield Þj. (Use the following as necessary: kj, k1, k2, k3, and t.)
k + k, + k
ki
3
ki + k2 + k3
Recalling the relationship between the overall rate constant, k, and the mean lifetime, T, give the quantum yield P; in terms of t and Tj. (Use the following as necessary: T and T;)
i
Step 5 of 6
(c) If T1 = 1×10-/ s, T2 = 4x10-8 s, and T3 = 1×10-8 s, calculate the lifetime of the singlet state and the quantum yield for the path that has T2. (Enter an unrounded value with at least 3 digits.)
Calculate
using the equation given in (b).
s-1
Solve for T, the lifetime of the singlet state.
T =

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