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What is the energy of a photon of red light that has a frequency of 4.48 x 10^14hz?
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Areaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:
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What is the energy of a photon of red light that has a frequency of 4.48 x 10^14hz?...
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