Calculate the value of Keq. How well do these values compare to each other? Fe3 = 0.002 M , SCN = 0.002 MKeq= [FeSCN^2]/ [Fe^3][SCN^-] Part ITemperature:°CBeaker[FESCN*]Absorbance1.6 x 10^-4 M 0.58211.2 x 10^-4 M 0.44820.8 x 10 ^-4 M 0.29930.4 x 10^-4 M0.1514Slope = 3596Y-Intercept = 0.01112Correlation: 0.9995Linear Regression EquationRMSE: 0.0007409Part II: Use the linear regression equation to calculate [FESCN-]Beaker Absorbance [FESCN»] at equilibrium0.2250.6 x 10^-4 MA0.2620.7 x 10^4 MB0.3180.85 x 10^-4 MCalculate the value of Keq for each beaker. How well do these values compare to each other?Initial Concentration: Fe3= 0.002 M, SCN = 0.002 M

Equilibrium constant(Keq):- It maybe defined as the constant which is the ratio of the concentration…

Answered: Part II: Use the linear regression…

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions

Section: Chapter Questions

Problem 77PS

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Calculate the value of Keq. How well do these values compare to each other? Fe3 = 0.002 M , SCN = 0.002 M Keq= [FeSCN^2]/ [Fe^3][SCN^-]

Part I
Temperature:
°C
Beaker
[FESCN*]
Absorbance
1.6 x 10^-4 M 0.582
1
1.2 x 10^-4 M 0.448
2
0.8 x 10 ^-4 M 0.299
3
0.4 x 10^-4 M
0.151
4
Slope = 3596
Y-Intercept = 0.01112
Correlation: 0.9995
Linear Regression Equation
RMSE: 0.0007409
Part II: Use the linear regression equation to calculate [FESCN-]
Beaker Absorbance [FESCN»] at equilibrium
0.225
0.6 x 10^-4 M
A
0.262
0.7 x 10^4 M
B
0.318
0.85 x 10^-4 M
Calculate the value of Keq for each beaker. How well do these values compare to each other?
Initial Concentration: Fe3= 0.002 M, SCN = 0.002 M

Expert Solution

Step 1

Equilibrium constant(K_eq):- It maybe defined as the constant which is the ratio of the concentration of the product and reactant, raise to their stoichiometric powers.

$K_{e q} = \frac{{[P r o d u c t]}^{x}}{{[R e a c t a n t]}^{y}} w h e r e, [] r e p r e s e n t s t h e c o n c e n t r a t i o n x i s t h e s t o i c h i o m e t r i c p o w e r o f p r o d u c t y i s t h e s t o i c h i o m e t r i c p o w e r o f r e a c \tan t$

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