The energy associated with a particular electronic transition in a molecule is

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

The energy associated with a particular electronic transition in a molecule is 175 kJ mol−1175\,\text{kJ\,mol}^{-1}. Determine the frequency of a single photon that induces this transition. Express your answer in hertz. (Planck constant h=6.626×10−34 J sh = 6.626\times10^{-34}\,\text{J\,s}; Avogadro's number NA=6.022×1023 mol−1N_A = 6.022\times10^{23}\,\text{mol}^{-1})

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