October 6, 2015

Homework Help: Chemistry - Photons

Posted by Amy on Tuesday, December 4, 2012 at 10:45pm.

Water is exposed to infrared radiation of wavelength 2.510−4 cm. Assume that all the radiation is absorbed and converted to heat.

How many photons will be required to raise the temperature of 2.5 g of water by 2.5 K?


I tried solving this problem on my own, and I got 3.3 x 10^-30 photons, which was incorrect.

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