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2. Consider the reaction represented by the reaction Fe³+SCN) → FeSCN²() The following initial concentrations are combined in three different flasks. SCN FeSCN2+ 5.00 M 1.00 M 2.00 M 5.00 M 9.00 M 6.00 M Quantify the equilibrium concentrations for all three species in all three flasks at 25°C when K = 0.333. Flask #1 Flask #2 Flask #3 Fe³ 9.00 M 3.00 M 2.00 M Flack #1

2. Consider the reaction represented by the reaction Fe³+SCN) → FeSCN²() The following initial concentrations are combined in three different flasks. SCN FeSCN2+ 5.00 M 1.00 M 2.00 M 5.00 M 9.00 M 6.00 M Quantify the equilibrium concentrations for all three species in all three flasks at 25°C when K = 0.333. Flask #1 Flask #2 Flask #3 Fe³ 9.00 M 3.00 M 2.00 M Flack #1

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter12: Chemical Equilibrium
Section: Chapter Questions
Problem 51QRT: At room temperature, the equilibrium constant Kc for the reaction 2 NO(g) ⇌ N2(g) + O2(g) is 1.4 ×...
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Name John I Reminf Chapter 19 First Lecture Assignment 1. Write the expression for the equilibrium constant (K) for the following mixed phase reaction: CaCOng – CaDo + Cong Kc= [Co₂] 2. Consider the reaction represented by the reaction Fe³(aq) +SCN) → FeSCN2* (g) The following initial concentrations are combined in three different flasks. Fe³+ FeSCN2 9.00 M 1.00 M 2.00 M 5.00 M 9.00 M 6.00 M Quantify the equilibrium concentrations for all three species in all three flasks at 25°C when K = 0.333. Flask #1: Flask #1 Flask #2 Flask #3 3.00 M 2.00 M Flask #2: Gas Phase and Mixed Phase Equilibria Flask #3: SCN 5.00 M
Transcribed Image Text:Name John I Reminf Chapter 19 First Lecture Assignment 1. Write the expression for the equilibrium constant (K) for the following mixed phase reaction: CaCOng – CaDo + Cong Kc= [Co₂] 2. Consider the reaction represented by the reaction Fe³(aq) +SCN) → FeSCN2* (g) The following initial concentrations are combined in three different flasks. Fe³+ FeSCN2 9.00 M 1.00 M 2.00 M 5.00 M 9.00 M 6.00 M Quantify the equilibrium concentrations for all three species in all three flasks at 25°C when K = 0.333. Flask #1: Flask #1 Flask #2 Flask #3 3.00 M 2.00 M Flask #2: Gas Phase and Mixed Phase Equilibria Flask #3: SCN 5.00 M
Expert Solution
Step 1

The given reaction is -

Fe3+(aq)+SCN-(aq)↔FeSCN2+ (aq)

And the equilibrium constant for this reaction is written as-

Kc=[FeSCN2+][Fe3+].[SCN-]

And Kc=0.333

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