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Chemistry
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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The formation of the iron(III) thiocyanate complex ion is an exothermic equilibrium system. For each change to the system, indicate how the concentration of each species in the chemical equation will change to reestablish equilibrium. An up arrow indicates an increase in concentration, a down arrow indicates a decrease in concentration, and leaving it blank means there is no change in the concentration.

 

increasing the concentration of Fe3+

decreasing the concentration of Fe(SCN)2+

increasing the temperature of the system 

The formation of the iron(III) thiocyanate complex ion is an exothermic equilibrium system. For each change to the system, indicate how the concentration of each species in the chemical equation will change to reestablish equilibrium. An up arrow indicates an increase in concentration, a down arrow indicates a decrease in concentration, and leaving it blank means there is no change in the concentration. **Chemical Equation:** Fe³⁺(aq) + SCN⁻(aq) ⇌ Fe(SCN)²⁺(aq) **Changes:** 1. **Increasing the concentration of Fe³⁺** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] 2. **Decreasing the concentration of Fe(SCN)²⁺** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] 3. **Increasing the temperature of the system** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] **Answer Bank:** - Up arrow (↑) - Down arrow (↓)
Transcribed Image Text:The formation of the iron(III) thiocyanate complex ion is an exothermic equilibrium system. For each change to the system, indicate how the concentration of each species in the chemical equation will change to reestablish equilibrium. An up arrow indicates an increase in concentration, a down arrow indicates a decrease in concentration, and leaving it blank means there is no change in the concentration. **Chemical Equation:** Fe³⁺(aq) + SCN⁻(aq) ⇌ Fe(SCN)²⁺(aq) **Changes:** 1. **Increasing the concentration of Fe³⁺** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] 2. **Decreasing the concentration of Fe(SCN)²⁺** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] 3. **Increasing the temperature of the system** - Fe³⁺: [ ] - SCN⁻: [ ] - Fe(SCN)²⁺: [ ] **Answer Bank:** - Up arrow (↑) - Down arrow (↓)
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