Thursday
August 28, 2014

Homework Help: chem

Posted by Mary on Monday, October 2, 2006 at 8:12pm.

Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the energy (Joules) associated with this photon. (1 cm-1 = 1.986 x 10-23 J)


http://en.wikipedia.org/wiki/Rydberg_formula

I will be happy to critique your work.


You may use the value you find for R in the next problem (or the value from a text) to solve for lambda, then E = hc/lambda will calculate energy in Joules. As Bob Pursley says, post your work if you get stuck and we will help you through it. h is Planck's constant and c is the speed of light in meter/second.

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