Homework Help: Chemistry

Posted by James on Wednesday, November 28, 2012 at 8:07pm.

The binding energy of electrons in a metal is 194 kJ/mol.

Find the threshold frequency of the metal.

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The heat of fusion of ice is 6.00 kJ/mol.

Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g of ice.

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