Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
![3. Changing Reaction Equilibrium Conditions - Le Chatelier's Principle
3A. Effect of Changing Reactant Concentration
Test tube
Is intensity of red color darker Is [Fe(SCN)]²*
or lighter compare to the
reference test tube color
Color of solution
increased or
decreased?
1. Reference
Blood red color
2. Fe* added
Dark blood red darker
color
3. SCN added
Dark blood red darker
color
4. Fe* removed
Light Blood red lighter
by adding CI
color
5. SCN' removed Light blood red lighter
by adding Ag*
color
Question 10: With the addition of more Fe*³ ions in test tube 2, did the reaction equilibrium move
towards reactants or products? Explain.
Question 11: With the addition of more SCN' ions in test tube 3, did the reaction equilibrium move
towards reactants or products? Explain.
Question 12: The addition of Cl ions in test tube 4 shifts the equilibrium in the backward direction.
Explain how.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fec37aac0-7d29-4e20-aa79-8267bb27a4fc%2F900813eb-697f-482e-b034-929c94acc2c9%2Fgw2h6pv_processed.png&w=3840&q=75)
Transcribed Image Text:3. Changing Reaction Equilibrium Conditions - Le Chatelier's Principle
3A. Effect of Changing Reactant Concentration
Test tube
Is intensity of red color darker Is [Fe(SCN)]²*
or lighter compare to the
reference test tube color
Color of solution
increased or
decreased?
1. Reference
Blood red color
2. Fe* added
Dark blood red darker
color
3. SCN added
Dark blood red darker
color
4. Fe* removed
Light Blood red lighter
by adding CI
color
5. SCN' removed Light blood red lighter
by adding Ag*
color
Question 10: With the addition of more Fe*³ ions in test tube 2, did the reaction equilibrium move
towards reactants or products? Explain.
Question 11: With the addition of more SCN' ions in test tube 3, did the reaction equilibrium move
towards reactants or products? Explain.
Question 12: The addition of Cl ions in test tube 4 shifts the equilibrium in the backward direction.
Explain how.
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