In a photochemical reaction, 1.0 x 10- mol of reactant A are converted to product P7)when irradiated with 80 W of 400 nm light for 20.0 s. Assuming all of the light is absorbed bythe sample, calculate the overall quantum yield () for this photochemical process.Workout ConstantsIdeal gas constant:= 8.314 J K mol-= 0.083 dm bar K mol= 0.082 dm atm K molAvogadro's constant: NA = 6.022x1023 mol-!Boltzmann constant: k 1.38x1023 J KSpeed of light:c = 3 x 10% m sPlanck's constant:h = 6.626x1034 J s1 bar = 105 Pa1 atm = 101325 PaRelationsU = NKT²(n= + k In QS =%3DA = -kT In QG = -NkT In)R.

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In a photochemical reaction, 1.0 x 10 mol of reactant A are converted to product P 7) when irradiated with 80 W of 400 nm light for 20.0 s. Assuming all of the light is absorbed by the sample, calculate the overall quantum yield (6) for this photochemical process.

In a photochemical reaction, 1.0 x 10 mol of reactant A are converted to product P 7) when irradiated with 80 W of 400 nm light for 20.0 s. Assuming all of the light is absorbed by the sample, calculate the overall quantum yield (6) for this photochemical process.

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter8: Properties Of Gases

Section: Chapter Questions

Problem 8.BCP

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Concept explainers

Techniques and applications of quantum theory

Quantum theory, often known as quantum physics, is the foundation of modern physics and encompasses the nature and behavior of matter and energy at the atomic and molecular levels. As the exact nature and behavior of atomic and subatomic particles are impossible to determine, the laws of classical physics do not apply to this discipline. As a result, quantum field theory is primarily based on assumptions and probabilities.

Question

In a photochemical reaction, 1.0 x 10- mol of reactant A are converted to product P
7)
when irradiated with 80 W of 400 nm light for 20.0 s. Assuming all of the light is absorbed by
the sample, calculate the overall quantum yield () for this photochemical process.
Workout

Constants
Ideal gas constant:
= 8.314 J K mol-
= 0.083 dm bar K mol
= 0.082 dm atm K mol
Avogadro's constant: NA = 6.022x1023 mol-!
Boltzmann constant: k 1.38x1023 J K
Speed of light:
c = 3 x 10% m s
Planck's constant:
h = 6.626x1034 J s
1 bar = 105 Pa
1 atm = 101325 Pa
Relations
U = NKT²(n
= + k In Q
S =
%3D
A = -kT In Q
G = -NkT In)
R.

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