Suppose that microwave radiation has a wavelength

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Suppose that microwave radiation has a wavelength of 11.2cm. How many protons are required to heat 245mL of Coffee from 25.0 C to 62.0C? Assume that the coffee has the same density, 0.997g/mL. ans specific heat capacity. 4.184J/(g*K) as water over this temperature range. Express the number of photons numerically

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