A firefly glows by the direct conversion of chemical energy to light. The light emitted by a firefly has peak intensity at a wavelength of 550 nm. a. What is the minimum chemical energy, in eV, required to generate each photon? b. One molecule of ATP provides 0.30 eV of energy when it is metabolized in a cell. What is the minimum number of ATP molecules that must be consumed in the reactions that lead to the emission of one photon of 550 nm light?
A firefly glows by the direct conversion of chemical energy to light. The light emitted by a firefly has peak intensity at a wavelength of 550 nm. a. What is the minimum chemical energy, in eV, required to generate each photon? b. One molecule of ATP provides 0.30 eV of energy when it is metabolized in a cell. What is the minimum number of ATP molecules that must be consumed in the reactions that lead to the emission of one photon of 550 nm light?
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Transcribed Image Text:A firefly glows by the direct conversion of
chemical energy to light. The light emitted
by a firefly has peak intensity at a
wavelength of
550 nm.
a. What is the minimum chemical energy, in
eV, required to generate each
photon?
b. One molecule of ATP provides 0.30 eV of
energy when it is metabolized in a cell. What
is the minimum number of ATP molecules
that must be consumed in the reactions
that lead to the emission of one photon of
550 nm light?
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