February 28, 2017

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 25.0°C. 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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