1510, LAB 10, Maple, Daelin, FALL 2023

xlsx

School

Ohio University, Main Campus *

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Course

1510

Subject

Chemistry

Date

Feb 20, 2024

Type

xlsx

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Uploaded by ChefCrownZebra50

This area is for TA only. Lab 10, Atomic Emission o Cell Colors Your Point All calculations mu NAME: Daelin x Part 1 Table 1. Hydrogen emission data from Ocean Optics Spectrometer. 658.1 484.8 434.8 410.3 396.4 Use this data point Hypothesis Testing 4 1 1 1 0 2 4 1 0 1 0 3 4 1 1 1 0 4 4 1 1 1 0 5 4 1 0 1 0 6 3 #N/A #N/A #N/A #N/A m #N/A #N/A #N/A #N/A #N/A #N/A 2 0 2 0 4 1 0 1 0 3 4 1 0 1 0 4 4 1 1 1 0 5 4 1 0 1 0 6 4 1 0 1 0 7 INPUT RAW DATA/ANSWERS TO QUESTIONS INPUT CALCULATED VALUES, NO ROUNDING NECESSARY INPUT CALCULATED VALUES, CORRECTLY ROUNDED OFF Point of row PLACE GRAPH IN THIS AREA By checking the box with an X on the left side, I Failure to sign this declaration will cost you 10% λ (nm) descending order If a hypothesis is correct, a plot of 1/λ vs. 1/n i 2 should be linear and n f ( Hypothesis #1 n f (assumed) = 1 n i = 2, 3, 4, 5, 6 n i s m R 2 n f (calculated) Is n f (assumed) = n f (calc Hypothesis #2 n (assumed) = 2 n i

3 #N/A #N/A #N/A #N/A m #N/A #N/A #N/A #N/A #N/A #N/A 2 #DIV/0! 2 2 4 1 0 1 0 4 4 1 1 1 0 5 4 1 0 1 0 6 4 1 0 1 0 7 4 1 1 1 0 8 3 #N/A #N/A #N/A #N/A m #N/A #N/A #N/A #N/A #N/A #N/A 2 0 2 0 Write the equation of the line at the 95% CI for the set that fits the Ryd t= 3.182 2 0 0.0000 2 0 m 0.0000 2 0 0.00000 2 0 b ### 2 0 -2.045E-15 2 0 -5.7E-16 Ionization Energy and Energy Levels h c IE (per atom) 3 0 6.62608E-34 2.997925E+08 -6.2E-09 n f (assumed) = 2 n i = 3, 4, 5, 6, 7 s m R 2 n f (calculated) Is n f (assumed) = n f (calc Hypothesis #3 n f (assumed) = 3 n i = 4, 5, 6, 7, 8 n i s m R 2 n f (calculated) Is n f (assumed) = n f (calc ts m ts b R =-m (in SI units) b (in SI units) Calculate the Ionization energy per atom from nf ( IE = hc·b ), where b is t If n f is not 1, the IE calculated above is not the regular ionization energy. to 0.75hcR as described in the help box. Calculation of IE per atom to the

3 0 IE(per atom) = hcb + 0.75hcR = -2.000E+307 Avogandro's # 6.02214E+23 3 #NUM! IE (per mole) -3.83E-32 J/mol n h 2 0 α 6.62608E-34 2 0 4 6.62608E-34 2 0 3 6.62608E-34 2 0 2 6.62608E-34 2 0 1 6.62608E-34 Q1. Which of the three hypotheses fits the Rydberg 4 0 A: All of them fit because they are all reletively c Q2. 4 0 A: The 3.96.4 wavelength has the most intense e Q3. 4 0 A: It is very off from the literature value of 1.312 Q4. 4 0 A: Hydrogen atoms are controlled by n=2, while TOTAL POINTS: #NUM! POINTS POSSIBLE: 128 E n (per atom) = -hcR/n 2 . n= 1, 2, 3, ... (your R in units of m -1 ) E n E α E 4 E 3 E 2 E 1 Examine the hydrogen emission spectrum on th and nf values are associated with this emission? How well does your ionization energy compare What quantum numbers control the electronic electronic energy in the sodium atom?

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POINTS POSSIBLE: 128

of Hydrogen & Magnetic Susceptibility ust be performed only by excel's formula Maple Email: 1. Hydrogen Emission λ (nm) 0.25 658.1 156.96 0.11111 484.8 353.16 0.0625 434.8 627.84 0.04 410.3 981 0.0277778 396.4 1412.64 -4595.5999029822 1157.9653460209 b 1784.4891370739 227.3015185177 0.6885441752 323.3370518813 1.9921559115 Yes λ (nm) 0.11111111 658.1 -1.91E-17 0.0265 484.8 -3.43E-17 0.04 434.8 -5.40E-17 0.0277777778 410.3 -7.79E-17 0.79131937 396.4 -1.06E-16 Save this file as 1510, Lab #, Last name, first name.xlsx, then go to blackboard and submit: Data Analysis --> Lab #: xxxx --> Browse for Local File --> Submit --> Ok Rounding Rule: Round STD to 1 significant figure and round the mean to the same number of decimal places. It may be necessary to use the scientific notation if STD>1. How to: Highlight cell -> Right click -> Format Cell -> Number -> Scientific -> Change decimal places. dm8166522@ohio.edu I certify that I have not falsified data and that I have not plagiarized any part of this lab report. % points. (assumed) = n f (calculated) where n f (calculated) = (-m/b) 1/2 . 1/n i 2 1/λ (nm -1 ) s b culated)? 1/n i 2 1/λ (nm -1 )

0 0 b 0 0 0.79131937 0 2.8710173897 yes λ (nm) 0.0265 658.1 -3.46E-17 0.04 484.8 -5.43E-17 0.0277777778 434.8 -7.82E-17 0.0204081633 410.3 -1.07E-16 0.015625 396.4 -1.39E-16 2.05E-15 -1.51E-16 b 4.93E-16 1.84E-17 0.8516958661 1.85E-17 3.6849698445 Yes dberg equation nm-1 J s b culated)? 1/n i 2 1/λ (nm -1 ) s b culated)? nm -1 nm -1 nm -1 m -1 m -1 the y-intercept in m -1 . . We need to add an energy term from nf to the ground state (n =1). This energy term is equal e ground state (nf = 1) here 𝟏/𝝀=((𝒎±𝒕𝒔_𝒎 ))/ 𝒏 〖 _𝒊 〗 ^𝟐 +(𝒃±𝒕𝒔_𝒃 )

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J c R 2.997925E+08 -2.045E-15 1.000E+00 2.997925E+08 -2.045E-15 1.000E+00 2.997925E+08 -2.045E-15 1.000E+00 2.997925E+08 -2.045E-15 1.000E+00 2.997925E+08 -2.045E-15 1.000E+00 g equation? Explain your choice. close to the expected n final value emmission and is associated with the higher n initial values. 2x10^6 J/mole sodium atoms are controlled by n=2 also. TA feedback E n (J) he right. Which wavelength has the most intense emission? Which ni ? e with the literature value of 1.312 x 10 6 J/mol? energy in the hydrogen atom? What quantum numbers control the

This area is for TA only. #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A Excel Help: Help for excel 2007 and up (xlsx)

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#N/A #N/A #N/A #N/A #N/A #N/A #N/A =K43 #N/A =K44 #N/A =K45 #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A #N/A

=-2E+307-J8 #N/A =$J$80 #N/A =$J$80 #N/A =$J$80 #N/A =$J$80 #N/A =$J$80 #N/A =SUM(B27:E32,B33,B38:E46,B47,B52:E60,B61,B66:E139) =SUM(A:A) Hydrogen Emission Spectrum 656

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