Answer to Question #171799 in General Chemistry for ncssr

Question #171799

Electrons with a kinetic energy of 6.023 x 10^4 J/mol are evolved from the surface of a metal, when exposed to a radiation of wavelength of 600 nm (photoelectric effect). The minimum amount of energy required to remove an electron from the metal atom is___. (h = 4.14*10^-15 eV-s, c = 3*10^8 m/s).


1
Expert's answer
2021-03-16T08:18:07-0400

The minimum amount of energy required = total energy (hc/wavelength) - kinetic energy.

= 13.931 × 104 J/mol.


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