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October 20, 2014

Homework Help: CHEMISTRY

Posted by Jake on Wednesday, October 31, 2007 at 3:00pm.

I don't even understand how this question works. How do I solve it?

A microwave oven heats by radiating food with microwave radiation, which is absorbed by the food and converted to heat. suppose an oven's microwave is 13.7 cm. a container w/ 175 mL of water was placed in the oven and the temp rose from 23.2 dgerees c to 98.7 degrees c. how many photons of this microwave radiation were required? assume all the energy from the radiation was used to raise the temp of the h20.

i would show some work but i don't even know where to begin. :[

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