β-Carotene Absorbs Light at 453 Nm and 483 Nm

question 21

Essay

β-carotene absorbs light at 453 nm and 483 nm. Calculate the energy, in kcal/mol , corresponding to each of these wavelengths of light. Recall that
E=Nhc/, where N=6.022X10²³molecules/mol, h=1.583x10^-37 kcal•s/molecule, and c=3.00x 10¹⁷nm/s.

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