A silver-zinc button cell battery is the type of battery found in watches and other small...
A silver-zinc button cell battery is the type of battery found in watches and other small electronics. The balanced redox reaction is shown below.
Zn(s) + Ag2O(s)---- ZnO(s)+ 2Ag(S)
Using the following thermodynamic data, determine what the voltage would be for E cell.
rG [ZnO]= -318.3 kj/mol
rG [Ag2O]= -11.20 kj/mol
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
A silver-zinc button cell battery is the type of battery found
in watches and other small...
The silver oxide-zinc battery used in watches delivers a voltage of 1.60 V. Using this information...
The silver oxide-zinc battery used in watches delivers a voltage of 1.60 V. Using this information and the balanced chemical equation, calculate the standard free energy change for the cell reaction at 25C. Balanced equation: Zn(s) + Ag2O(s) --> ZnO(s) + 2 Ag(s)
Incorrect Question 12 0/1 pts The button batteries in small devices like watches are commonly composed of silver- zinc...
Incorrect Question 12 0/1 pts The button batteries in small devices like watches are commonly composed of silver- zinc or mercury-zinc batteries. The reaction in a mercury button battery is: HgO(s) + Zn(s) --> ZnO(s) + Hg(1) What is the line notation for a mercury button battery? HgO(s)| Hg(0)||ZnO(s)| Zn(s) Zn(s)| ZnO(s)|| HgO(s)| Hg(1) Hg(1) HgO(s)||ZnO(s) | Zn(s) Zn(s)| ZnO(s)|| Hg(1)| HgO(s) None of the above
8 pts Question 5 The silver oxide-zinc battery used in watches delivers a voltage of 1.60...
8 pts Question 5 The silver oxide-zinc battery used in watches delivers a voltage of 1.60 V. Using this information and the balanced chemical equation calculate the standard free energy change for the cell reaction at 25C. Balanced equation: Zn(s) + Ag2015) --> ZnO(s) + 2 Ag(s) 154) 154] 310 -310
2) A silver oxide-zinc cell maintains a fairly constant voltage during dis charge (1.60V). The button...
2) A silver oxide-zinc cell maintains a fairly constant voltage during dis charge (1.60V). The button form of this cell is used in watches, hearing aids, and other electronic devices. The half-reactions are Zn (s) + 20H (aq) Zn(OH) 2 (s) + 2e" Ag20(s)+ H0 (l) + 2e 2Ag (s) +20H- (aq) Identify the anode and the cathode reactions. What is the overall reaction in this voltaic cell?
9. __/10 pts) Last one!!! A silver button battery relies upon the following reaction: Zn(s) +...
9. __/10 pts) Last one!!! A silver button battery relies upon the following reaction: Zn(s) + Ag20(3) → ZnO(s) + 2Ag(s) A) What is Eºcell? B) If a cell can run until 80% of the zinc is consumed, how many days will a cell produce a current of 0.85 microamps (10 amps) if it contains 0.75 g of zinc?
4. Silver oxide is used in "button batteries to power electric watches and other trinkets. These ...
can u answer the following
questions?
4. Silver oxide is used in "button batteries to power electric watches and other trinkets. These batteries generate a potential of 1.55 V and consist of a Zn anode and a Ag20 cathode immersed in a concentrated solution of KOH. The cathode reaction is based on the reduction of Ag20 to Ag metal. At the anode, Zn is oxidized to solid Zn(OH)2. Write the net ionic balanced electrochemical cell reaction and calculate the value...
The standard cell potential (Eocell) of the zinc-air battery is 1.65V. If at 25.0oC the partial...
The standard cell potential (Eocell) of the zinc-air battery is 1.65V. If at 25.0oC the partial pressure of oxygen in the air diffusing its cathode is 0.24 atm, what is the cell potential (Ecell)? Assume the cell reaction is: 2 Zn(s) + O2(g) yields 2 ZnO(s) The standard reduction potentials of the half-reactions in zinc-air batteries are: ZnO(s) +H2O(l) + 2e- yields Zn(s) + 2OH-(aq) Eored = -1.25V O2(g) + 2 H2O(l) + 4e- yields 4 OH-(aq) Eored= 0.401 Should...
please solve all correctly Question: Consider the voltaic cell using silver and zinc. The net equation...
please solve all correctly
Question: Consider the voltaic cell using silver and zinc. The net equation for this voltaic cell is 2Ag+ (aq) + Zn(s)--> 2Ag(s) + Zn2+lag) Calculate the molar concentration of Ag+ if a potential of 1.58 V was measured across the cell when the molar concentration of Zn* was 0.150 M. Hint: You need to first calculate the of the cell. Given the following Data: Be sure to show all calculations Half-Reaction Standard Potential E* (volts) Ag...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for this reaction at 1500°C A) 105 kJ/mol B)-105 kJmol C)1.07 kJ/molD) CH,011(g) has the value K, D)255 8) Determine the equilibriurn constant K, at 25°C for the reaction Nag) + 3H2(g) → 2NHO 3 kJ/mol A) 1.52 x 106 B) 6.60 x 10 9) Predict the sign of AS for the reaction 02(g) → 20(g). C) 828 x 10D) 2.60 A) Negative B) zero...
Part A through H 1. [60 pts) A galvanic cell is a type of battery where...
Part A through H
1. [60 pts) A galvanic cell is a type of battery where the electrodes are immersed in different electrolyte solutions, which are connected by an ion-conducting bridge. Consider a galvanic cell with Al and Cu electrodes. The Al electrode is immersed in a solution containing a standard concentration of Al3+ ions and the Cu electrode is immersed in a solution containing a standard concentration of Cu* ions. External Circuit The standard reduction potentials for the half...
The silver oxide-zinc battery used in watches delivers a voltage of 1.60 V. Using this information and the balanced chemical equation, calculate the standard free energy change for the cell reaction at 25C. Balanced equation: Zn(s) + Ag2O(s) --> ZnO(s) + 2 Ag(s)
Incorrect Question 12 0/1 pts The button batteries in small devices like watches are commonly composed of silver- zinc or mercury-zinc batteries. The reaction in a mercury button battery is: HgO(s) + Zn(s) --> ZnO(s) + Hg(1) What is the line notation for a mercury button battery? HgO(s)| Hg(0)||ZnO(s)| Zn(s) Zn(s)| ZnO(s)|| HgO(s)| Hg(1) Hg(1) HgO(s)||ZnO(s) | Zn(s) Zn(s)| ZnO(s)|| Hg(1)| HgO(s) None of the above
8 pts Question 5 The silver oxide-zinc battery used in watches delivers a voltage of 1.60 V. Using this information and the balanced chemical equation calculate the standard free energy change for the cell reaction at 25C. Balanced equation: Zn(s) + Ag2015) --> ZnO(s) + 2 Ag(s) 154) 154] 310 -310
2) A silver oxide-zinc cell maintains a fairly constant voltage during dis charge (1.60V). The button form of this cell is used in watches, hearing aids, and other electronic devices. The half-reactions are Zn (s) + 20H (aq) Zn(OH) 2 (s) + 2e" Ag20(s)+ H0 (l) + 2e 2Ag (s) +20H- (aq) Identify the anode and the cathode reactions. What is the overall reaction in this voltaic cell?
9. __/10 pts) Last one!!! A silver button battery relies upon the following reaction: Zn(s) + Ag20(3) → ZnO(s) + 2Ag(s) A) What is Eºcell? B) If a cell can run until 80% of the zinc is consumed, how many days will a cell produce a current of 0.85 microamps (10 amps) if it contains 0.75 g of zinc?
can u answer the following
questions?
4. Silver oxide is used in "button batteries to power electric watches and other trinkets. These batteries generate a potential of 1.55 V and consist of a Zn anode and a Ag20 cathode immersed in a concentrated solution of KOH. The cathode reaction is based on the reduction of Ag20 to Ag metal. At the anode, Zn is oxidized to solid Zn(OH)2. Write the net ionic balanced electrochemical cell reaction and calculate the value...
please solve all correctly
Question: Consider the voltaic cell using silver and zinc. The net equation for this voltaic cell is 2Ag+ (aq) + Zn(s)--> 2Ag(s) + Zn2+lag) Calculate the molar concentration of Ag+ if a potential of 1.58 V was measured across the cell when the molar concentration of Zn* was 0.150 M. Hint: You need to first calculate the of the cell. Given the following Data: Be sure to show all calculations Half-Reaction Standard Potential E* (volts) Ag...
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for this reaction at 1500°C A) 105 kJ/mol B)-105 kJmol C)1.07 kJ/molD) CH,011(g) has the value K, D)255 8) Determine the equilibriurn constant K, at 25°C for the reaction Nag) + 3H2(g) → 2NHO 3 kJ/mol A) 1.52 x 106 B) 6.60 x 10 9) Predict the sign of AS for the reaction 02(g) → 20(g). C) 828 x 10D) 2.60 A) Negative B) zero...
Part A through H
1. [60 pts) A galvanic cell is a type of battery where the electrodes are immersed in different electrolyte solutions, which are connected by an ion-conducting bridge. Consider a galvanic cell with Al and Cu electrodes. The Al electrode is immersed in a solution containing a standard concentration of Al3+ ions and the Cu electrode is immersed in a solution containing a standard concentration of Cu* ions. External Circuit The standard reduction potentials for the half...
Most questions answered within 3 hours.
-
List and explain why a company would choose to use a
published
compensation survey vs. creating...
asked 4 minutes ago -
A discrete random variable X can take values from 1 to 10. Find
the variance of...
asked 17 minutes ago -
The primary financial goal of a corporation is to maximize:
shareholders wealth.
earnings per share.
stock...
asked 25 minutes ago -
determine whether the vectors u=(1,2,3,), v=(-2,1,0) and
w=(1,0,1) are linearly dependent or independent.
asked 30 minutes ago -
python
Define a function called print_values which takes a dictionary
object as a parameter. The function...
asked 1 hour ago -
In Chapter 1 you created a program named Triangle in
which you displayed a seven-line triangle...
asked 1 hour ago -
Research question: What are the differences between separately
stated and non separately stated transactions in an...
asked 1 hour ago -
By using Arduino write a code that connects two LEDs to two
push-buttons. Each button controls...
asked 2 hours ago -
Bank of America has bonds that pay a coupon interest rate of 5.5
percent and mature...
asked 3 hours ago -
Problem: Patient Fees C++
You are to write a program that computes a patient’s bill for...
asked 5 hours ago -
In a population of interest, we know that, 77% drink coffee, and
23% drink tea. Assume...
asked 5 hours ago -
Given that f(x) = e-(x-1) for x > 1, determine the following
probabilities:
a) P(X <...
asked 5 hours ago