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September 18, 2014

Homework Help: chemistry

Posted by kelsie on Monday, October 13, 2008 at 7:48pm.

Enormous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of soup containing 177 g of water is heated in a microwave oven from 20degrees Celsius to 98 degrees Celsius, with readiation of wavelength 1.55x10^-2m. How many photons are absorbed by the water in the soup?

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