16) A mole of red photons of wavelength 725 nm has ______ kJ of energy. Ephoton = hv c = ?v h = 6.626 x 10^-34 J-s a) 2.23 x 10^-12 b) 1.48 x 10^6 c) 4.53 x 10^3 d) 9.82 x 10^20 e) 3.66 x 10^4 f) 1.65 x 10^2 g) 2.74 x 10^-19
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So, 725 nm = 725 x 10^-9 m. Show more…
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