lab11 - Zn(H 2 O) 6 2+ λ max λ max (m) A λ. [conc] in...

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1 Section: I02 Date of experiment performed: 03/30/09 Date Report prepared: 04/05/09 Name: Fletcher Dostie Partner's Name: Andrew Pak Experiment 11 : Optical Properties of Transition Metals Data/Calculations: (50 pts) Compound g used Molarity 2.912 0.100 506 0.302 Red 2.416 0.100 808 0.734 Blue 1.618 0.100 400 0.025 Clear 2.908 0.100 398 0.320 Green 2.975 0.100 422 0.013 Clear h 6.63E-34 J-s c 3.00E+08 m/s Complex formed 506 5.06E-07 0.302 0.0667 4.53 3.93E-19 236 5 2 -0.8 808 8.08E-07 0.734 0.0667 11.0 2.46E-19 148 6 3 -0.6 400 4.00E-07 0.025 0.0667 0.375 4.97E-19 299 3 2 0 398 3.98E-07 0.320 0.0667 4.80 4.99E-19 300 6 2 -1.2 422 4.22E-07 0.013 0.0667 0.195 4.71E-19 283 6 4 0 Complex formed 808 8.08E-07 0.734 0.0667 11.0 2.46E-19 612 6.12E-07 2.140 0.0333 64.2 3.25E-19 552 5.52E-07 1.920 0.0333 57.6 3.60E-19 λ max A λ. Complex formed Color Observed Co(NO 3 ) 2 ·6H 2 O Co(H 2 O) 6 2+ Cu(NO 3 ) 2 ·6H 2 O Cu(H 2 O) 6 2+ MnCl 2 ·4H 2 O Mn(H 2 O) 6 2+ Ni(NO 3 ) 2 ·6H 2 O Ni(H 2 O) 6 2+ Zn(NO 3 ) 2 ·6H 2 O Zn(H 2 O) 6 2+ λ max (nm) λ max (m) A λ. [conc] in cuvette ε (cm -1 L/mole) E (J/molecule) E (KJ/mol) # t g e's #e g e's CFSE (units of oct ) Co(H 2 O) 6 2+ Cu(H 2 O) 6 2+ Mn(H 2 O) 6 2+ Ni(H 2 O) 6 2+
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Unformatted text preview: Zn(H 2 O) 6 2+ λ max λ max (m) A λ. [conc] in cuvette ε (cm-1 L/ mole) (J/molecule ) Part A. Spectra: All Hexaaquo complexes Cu(H 2 O) 6 2+ Part B. Spectra: Copper complexes Cu(NH 3 ) 6 2+ Cu(en) 3 2+ 2 Sample Equations: (20 pts) 5 lower energy electrons, 2 upper energy electrons NOTE: Use this area to show sample equations and calculations. Use Equation Editor. Molar Absorbtivity, ε ∆ E (J/molecule) ∆ E (KJ/mole) CFSE (units are ∆ oct ) Discussion (20 pts) Use Word 0.302 1 cm × 0.0667 mol / L = 4.53 cm − 1 L / mol h ⋅ c 506 nm = 6.626 ∗ 10 − 34 J ⋅ s × 3.000 ∗ 10 8 m / s 5.06 ∗ 10 − 7 m = 3.93 ∗ 10 − 19 J 3.93 ∗ 10 − 19 J ⋅ 6.02 ∗ 10 23 1 mole ⋅ 1 KJ 1000 J = 236 KJ / mol − 2 / 5 ∗ 5 3 / 5 ∗ 2 =− 4 / 5 =− 0.8...
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This note was uploaded on 04/16/2009 for the course CHEM 1312 taught by Professor Bottomley during the Spring '07 term at Georgia Tech.

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lab11 - Zn(H 2 O) 6 2+ λ max λ max (m) A λ. [conc] in...

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