My (a) is correct but not my (b) prof said I need kJ/photon x Avogadro # in answ

Question

My (a) is correct but not my (b) prof said I need kJ/photon x Avogadro # in answer, and so my (c) is incorrect, need help with (d) and (e) also, please! Part II: observation and measurement of the hydrogen spectrum: (a) Exam the hydrogen spectrum and enter the observed line positions in the table below and then determine the corresponding wavelengths using the mercury calibration graph Observed line wavelength form the Known Percentage position (cm) calibration graph wavelength (nm) error E3 486.26 57 Greenish Blue Bluish Violet recorded to the nearest 0.1 cm and (b) Calculate the corresponding energy per phone n) for each calibrated wavel then calculate the corresponding energy (kl/mol) per mole by using Avogadro's number (e) Figurel the values of bers ni and n2 for the initial and final states of the transitions that give rise each line. Value of Value of ni Wavelength from the Photon energy (final state) (initial state) calibration graph (nm) (d) Using the equations provided, calculate the value of the Rydberg constant for each example wavelength value in part (c). Enter these values in the table in part e) below. Give one to show your method of calculation (e) Look up the reported value of RH Compute your percentage error for determination. Wavelength from the Experimental value of R Percentage error calibration graph (nm) Page 4

Explanation / Answer

(d)

ridberg equation

1/ = RH [(1/(n1)2) - (1/(n2)2)]

1/643 = RH [(1/(2)2) - (1/(3)2)]

RH = 111975 cm-1

(e)

Wavelngth from the calibration graph (nm) experimental values of RH Percentage error 643 111975 2.04 465 114695 4.51 420 113378 3.32 310 145161 32.28

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