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July 30, 2015

Homework Help: chemistry

Posted by Anonymous on Sunday, October 6, 2013 at 5:46pm.

A certain microwave oven delivers 800. watts (J/s) of power to a coffee cup containing 45.0 g of water at 25.0C. If the wavelength of microwaves in the oven is 9.75 cm, how long does it take, and how many photons must be absorbed, to make the water boil?

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