46 Questions
What happens to the cell potential (V_cell) as the reaction proceeds towards equilibrium?
The cell potential decreases.
What is the value of the cell potential (V_cell) at equilibrium?
V_cell is equal to 0 at equilibrium.
How can the decrease in V_cell be used in practical applications?
All of the above.
What is the relationship between the cell potential (V_cell) and the ongoing chemical changes within the cell?
V_cell is a crucial parameter that reflects the ongoing chemical changes within the cell.
What is the primary purpose of understanding the relationship between V_cell and the chemical changes in the cell?
All of the above.
What happens to the potential difference (V_cell) of a galvanic cell as it operates?
It decreases due to the consumption of reactants and generation of products
What is the relationship between the potential difference (V_cell) and the concentration of products in a galvanic cell?
As the concentration of products increases, V_cell decreases
What is the value of the potential difference (V_cell) when a galvanic cell reaches equilibrium?
V_cell is zero
What is the reason for the potential difference (V_cell) being zero at equilibrium in a galvanic cell?
There is no driving force for the reaction
What is the qualitative relationship between the potential difference (V_cell) and the concentrations of reactants and products before equilibrium in a galvanic cell?
A high concentration of reactants and low concentration of products result in a higher V_cell
As the galvanic cell reaction progresses, how does the cell potential (V_cell) change?
V_cell decreases as reactants are consumed and products are formed
What is the primary factor that determines the magnitude of the cell potential (V_cell) in a galvanic cell?
The difference in chemical composition between the reactants and products
In a galvanic cell, what is the relationship between the concentration of products and the cell potential (V_cell)?
V_cell decreases as the concentration of products increases
What is the driving force for the galvanic cell reaction when the cell potential (V_cell) is at its maximum?
The driving force is highest when V_cell is at its maximum
When a galvanic cell reaches equilibrium, what is the value of the cell potential (V_cell)?
V_cell is equal to zero
What is the significance of understanding the relationship between V_cell and the chemical composition of a galvanic cell?
It is a cornerstone of electrochemical cell behavior and essential for practical applications
In a galvanic cell, what happens to the cell potential (V_cell) as the concentration of reactants decreases?
V_cell decreases
Which statement best describes the relationship between the cell potential (V_cell) and the progress of the galvanic cell reaction?
V_cell is inversely proportional to the extent of the reaction
Before a galvanic cell reaches equilibrium, what is the qualitative relationship between V_cell and the concentrations of reactants and products?
A high concentration of reactants and a low concentration of products result in a higher V_cell
What is a practical application of monitoring the potential difference (V_cell) in a galvanic cell?
Predicting the remaining usable life of a battery
How can galvanic cells be utilized as chemical sensors?
By tracking changes in the cell potential (V_cell) based on ion concentrations
In industrial electrochemical processes, why is monitoring the potential difference (V_cell) important?
To ensure optimal product yield and energy efficiency
What is the significance of the potential difference (V_cell) reaching zero at equilibrium in a galvanic cell?
It means that the cell can no longer do electrical work
What is the primary reason for understanding the relationship between the potential difference (V_cell) and the chemical changes within a galvanic cell?
To design and operate batteries, sensors, and industrial processes more effectively
As a galvanic cell approaches equilibrium, what happens to the concentrations of reactants and products?
Reactant concentration decreases, and product concentration increases
What is the qualitative relationship between the potential difference (V_cell) and the concentrations of reactants and products before equilibrium in a galvanic cell?
Higher V_cell corresponds to higher reactant and lower product concentrations
What is the primary reason for the decrease in the potential difference (V_cell) as a galvanic cell operates?
The conversion of chemical energy into electrical energy
What is the significance of understanding the relationship between the potential difference (V_cell) and the chemical changes in a galvanic cell?
It provides a valuable tool for monitoring and controlling electrochemical processes
What is the primary advantage of using galvanic cells as chemical sensors?
They can measure the concentration of specific ions based on changes in V_cell
What happens to the potential difference (V_cell) in a galvanic cell as reactants are consumed and products are generated?
Decreases
At equilibrium in a galvanic cell, what does a V_cell value of zero indicate?
No chemical changes occurring
How do increasing product ion concentrations affect the potential difference (V_cell) in a galvanic cell?
Decreases V_cell
What happens to the potential difference (V_cell) of a galvanic cell when reactant ion concentrations decrease?
Decreases
What is the significance of V_cell being 'flat' or 'dead' at equilibrium in a galvanic cell?
Cell is inactive
In a galvanic cell, what is the relationship between the concentration of reactant ions and V_cell before reaching equilibrium?
Directly proportional
How does the V_cell value change as a galvanic cell progresses towards equilibrium?
Decreases exponentially
What effect do low product ion concentrations have on the potential difference (V_cell) in a galvanic cell?
Increases V_cell
At the start of a galvanic cell operation, why is the potential difference (V_cell) at its maximum?
Reactants at initial concentrations
Which of the following best describes the relationship between the cell potential ($V_{cell}$) and the progress of the galvanic cell reaction?
$V_{cell}$ decreases as the reaction proceeds towards equilibrium.
What is the primary reason for the cell potential ($V_{cell}$) being zero at equilibrium in a galvanic cell?
The cell can no longer do electrical work at equilibrium.
How can the decrease in $V_{cell}$ be used in practical applications?
All of the above.
Which of the following statements best describes the qualitative relationship between the potential difference ($V_{cell}$) and the concentrations of reactants and products before equilibrium in a galvanic cell?
$V_{cell}$ decreases as the concentrations of reactants decrease and the concentrations of products increase.
What is the primary advantage of using galvanic cells as chemical sensors?
They can measure the concentration of specific ions in a solution based on changes in $V_{cell}$.
In industrial electrochemical processes, why is monitoring the potential difference ($V_{cell}$) important?
To ensure optimal product yield by controlling the rate and extent of the reactions.
What is the primary factor that determines the magnitude of the cell potential ($V_{cell}$) in a galvanic cell?
The specific redox couples involved in the reaction.
What is the value of the cell potential ($V_{cell}$) when a galvanic cell reaches equilibrium?
$V_{cell}$ is equal to zero.
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