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April 20, 2014

Homework Help: Chemistry

Posted by Kyle on Sunday, January 29, 2012 at 8:47pm.

Calculate the energy in kJ/mol of a mol of photons in the ultra-violet region of the electromagnetic spectrum that has a wavelength of 2.88 10-7 m. Express answer in scientific notation.

I got 4.16 * 10^8

but the correct answer is supposed to be 4.16 * 10^2.

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