, = One series of lines in the hydrogen spectrum is caused by emission of energy

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,   =
One series of lines in the hydrogen spectrum is caused by emission of energy accompanying the fall of an electron from outer shells to the fourth shell. The lines can be calculated using the Balmer-Rydberg equation: rac{1}{lambda } = R_infty left[ {rac{1}{{m^2 }}-rac{1}{{n^2 }}} ight] where m =4, { m R}_infty = 1.097 imes10^{-2} { m nm}^{-1} , and n is an integer greater than 4. ^not sure if it has anything to do with the question. Calculate the energies in kilojoules per mole of the first two lines in the series. Express your answers using four significant figures separated by a comma (in kg/mol). In what region of the electromagnetic spectrum do they fall? ^i know it's infrared, but why?

Explanation / Answer

http://hyperphysics.phy-astr.gsu.edu/hbase/hyde.html

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