Complete the table below using the data recorded in your notebook. Actual Temperature Absorbance at 630 nm Color Descrip
Posted: Mon May 16, 2022 11:05 pm
Complete the table below using the data recorded in your notebook. Actual Temperature Absorbance at 630 nm Color Description Average temperature Average absorbance 18.8 0.489 Room temperature 9.5 0.560 10.4 0.563 Cool bath 10.6 0.532 11.1 0.597 41.0 0.961 40.2 1.048 Warm bath (-40°C) 38.2 1.073 41.3 1.110 51.0 2.284 49.3 2.081 Warm bath (~50°C) 48.0 2.062 49.0 1.896
VOA NO Reaction Entropy $T(K) A [CoC142- [Co(H20)624 [CI-) (M) K T(K) Delta G* (l/mol) 291.95 0.489 0.00143824 0.03856176 6.07424706 2.74E-OS 291.95 25498.6813 283.55 0.563 0.00165588 0.03834412 6.07337647 3.17E-OS 283.55 24418.134 3 313.35 1.048 0.00308235 0.03691765 6.06767059 6.16E-05 313.35 25257.0633 2 322.45 2.081 0.00612059 0.03387941 6.05551765 1.34E-04 322.45 23899.8486 10 11 12 3 4 15 25600 16 25400 8 25200 19 25000 10 1 24800 2 24600 3 4 24400 5 24200 y=13.282x+28791 6 R 0.1054 7 24000 8 23800 9 280 285 295 300 305 210 315 320 325 Temperature (R) 1 2 3 AGU/mol) ANO 0000 W 290
b. Complete the following sets of calculations in the listed columns using Excel expressions. Relevant equations can be found in your laboratory procedure. For each calculation, write out the expression entered into the listed cell i Column C: Calculate the concentration of CoCl2- from the absorbance value in Column B. Cell C6 Expression il Column D: Calculate the concentration of Co(H2O)2+ from the concentration of CoCl2 Cell Do Expression: iii. Column E: Calculate the concentration of Cl- from the concentration of CoCl2 Cell E6 Expression: IV. Column F: Calculate the equilibrium constant (K) using the concentrations of reactants and products Cell F6 Expression: V. Column G: Calculate AG in J/mol from K. Cell G6 Expression Part III. Determination of AS" and Hº a. Prepare a scatter plot of Temperature (in K) on the x-axis and AG in J/mol) on the y-axis using the data from Part 11. Add a trendline with equation and R2 value.
Part III. Determination of 4S and AH" a. Prepare a scatter plot of Temperature in K) on the x-axis and AG(in J/mol) on the y-axis using the data from Part II. Add a trendline with equation and R2 value, b. Based on your trendline, calculate the value of AS Show your calculation below. C. Based on your trendline, calculate the value of AH". Show your calculation below.
VOA NO Reaction Entropy $T(K) A [CoC142- [Co(H20)624 [CI-) (M) K T(K) Delta G* (l/mol) 291.95 0.489 0.00143824 0.03856176 6.07424706 2.74E-OS 291.95 25498.6813 283.55 0.563 0.00165588 0.03834412 6.07337647 3.17E-OS 283.55 24418.134 3 313.35 1.048 0.00308235 0.03691765 6.06767059 6.16E-05 313.35 25257.0633 2 322.45 2.081 0.00612059 0.03387941 6.05551765 1.34E-04 322.45 23899.8486 10 11 12 3 4 15 25600 16 25400 8 25200 19 25000 10 1 24800 2 24600 3 4 24400 5 24200 y=13.282x+28791 6 R 0.1054 7 24000 8 23800 9 280 285 295 300 305 210 315 320 325 Temperature (R) 1 2 3 AGU/mol) ANO 0000 W 290
b. Complete the following sets of calculations in the listed columns using Excel expressions. Relevant equations can be found in your laboratory procedure. For each calculation, write out the expression entered into the listed cell i Column C: Calculate the concentration of CoCl2- from the absorbance value in Column B. Cell C6 Expression il Column D: Calculate the concentration of Co(H2O)2+ from the concentration of CoCl2 Cell Do Expression: iii. Column E: Calculate the concentration of Cl- from the concentration of CoCl2 Cell E6 Expression: IV. Column F: Calculate the equilibrium constant (K) using the concentrations of reactants and products Cell F6 Expression: V. Column G: Calculate AG in J/mol from K. Cell G6 Expression Part III. Determination of AS" and Hº a. Prepare a scatter plot of Temperature (in K) on the x-axis and AG in J/mol) on the y-axis using the data from Part 11. Add a trendline with equation and R2 value.
Part III. Determination of 4S and AH" a. Prepare a scatter plot of Temperature in K) on the x-axis and AG(in J/mol) on the y-axis using the data from Part II. Add a trendline with equation and R2 value, b. Based on your trendline, calculate the value of AS Show your calculation below. C. Based on your trendline, calculate the value of AH". Show your calculation below.