The fraction of energy trapped as high-energy electrons for 700-nm light absorbed by photosystem I should be determined. Concept introduction: The energy possessed by releasing electrons can be calculated as Gibbs free energy, by the following reaction. Δ G = − n F E A photon can be introduced as a piece of energy which has no mass. The relationship between the energy of a photon and its wavelength can be expressed with the following Planck-Einstein equation. E = h f

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Chapter 19, Problem 17P

Interpretation Introduction

Interpretation:

The fraction of energy trapped as high-energy electrons for 700-nm light absorbed by photosystem I should be determined.

Concept introduction:

The energy possessed by releasing electrons can be calculated as Gibbs free energy, by the following reaction.

ΔG=−nFE

A photon can be introduced as a piece of energy which has no mass. The relationship between the energy of a photon and its wavelength can be expressed with the following Planck-Einstein equation.

E=hf

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