Homework Answers
Add Answer to:
Different Description of the Same Reaction Homework Find the voltage of the cell when given (aq,...
given this electrochemical cell: Concentration of H+ is unknown, Pressure of H2 is constant at 1...
given this electrochemical cell:
Concentration of H+ is unknown, Pressure of H2 is constant at 1
atm. Initial cell voltage is 0.139V, with the Pt | H2 | H+
half-cell acting as the cathode.
a) write out the oxidization and reduction half reactions, and
the overall chemical reaction occurring, and find the initial pH in
the H+ | H2 | Pt cell
b) What is the equilibrium constant of the reaction happening in
the cell?
Tl(s) | Tl*(aq, 0.50 mol...
The measured voltage of a cell in which the following reaction occurs is 0.29 V at...
The measured voltage of a cell in which the following reaction occurs is 0.29 V at 25 °C: H2(g, 1.0 atm) + AgCl (s) ---> 2H+ (aq, pH = ?) + Ag(s) +Cl- (aq, 1.0M) Calculate the pH of the cell above.
An Ag-Cd electrochemical cell is written as Cd (s) CdCl2 (0.010 M) || AgCl (s) CI-...
An Ag-Cd electrochemical cell is written as Cd (s) CdCl2 (0.010 M) || AgCl (s) CI- (0.50 M) | Ag E°Cd2+/Ca = 0.403 V and EºACIJAg = 0.222 V 1. Write the half-cell reactions at anode and at cathode. 2. Which is oxidant and which is reductant? 3. Calculate the half-cell potentials at both anode and cathode. 4. Calculate the cell potential. 5. Write the whole-cell reaction. 6. Calculate the equilibrium constant for the whole-cell reaction. For the half –...
Question 12 Calculate Eº for an electrochemical cell based on the following overall reaction: 2H*(aq) +...
Question 12 Calculate Eº for an electrochemical cell based on the following overall reaction: 2H*(aq) + Cd(s) - H2(g) + Cd2+(aq) if Erd (Hº)=0.000 V and Exped (Cd2+) = -0.402 V. 0 -0.201 V 0 -0.402 V +0.402 V +0.201 V 0.000 V
please help, thanks! 7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq)...
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
1.) Given the following notation for an electrochemical cell Pt(s) | H2(g) | H+(aq) || Ag+(aq)...
1.) Given the following notation for an electrochemical cell Pt(s) | H2(g) | H+(aq) || Ag+(aq) | Ag(s), what is the balanced overall (net) cell reaction? A. H2(g) + 2Ag(s) ® H+(aq) + 2Ag+(aq B. H2(g) + 2Ag+(aq) ® 2H+(aq) + 2Ag(s) C. H2(g) + Ag+(aq) ® H+(aq) + Ag(s D. 2H+(aq) + 2Ag(s) ® H2(g) + 2Ag+(aq) E. 2H+(aq) + 2Ag+(aq) ® H2(g) + 2Ag(s) 2.) Calculate E°cell for the following (nonspontaneous) reaction: Cd(s) + 2Fe3+(aq) ® 2Fe2+(aq) + Cd2+(aq) → A. -0.37...
The following electrochemical cell was set up in the lab Ag(s)│Ag(NO3)(aq)││KMnO4(aq), HCl(aq), Mn(Cl)2(aq)│Pt(s) What is Ecell°...
The following electrochemical cell was set up in the lab Ag(s)│Ag(NO3)(aq)││KMnO4(aq), HCl(aq), Mn(Cl)2(aq)│Pt(s) What is Ecell° for this galvanic cell? If a more complete description of the cell is Ag(s)│Ag(NO3)(aq, 0.50 M)││KMnO4(aq, 0.50 M), HCl(aq, 2.5 M), Mn(Cl)2(aq, 0.01 M)│Pt(s), Ag(s) what is Ecell? What is the balanced, spontaneous cell reaction for the cell conditions given in b.?
Calculate the cell potential for the reaction below when the concentrations of ions are: [Ag+ ]...
Calculate the cell potential for the reaction below when the concentrations of ions are: [Ag+ ] = 0.010 M and [Cu2+] = 0.750 M, at 25 °C. Cu(s) + 2Ag+ (aq) --> Cu2+(aq) + 2Ag(s) Given the standard reduction potentials: Cu2+(aq) + 2e– → Cu(s) Eϴ = 0.34 V Ag+ (aq) + e– → Ag(s) Eϴ = 0.80 V (A) 0.35 V (B) 0.44 V (C) 0.46 V (D) 0.48 V (E) 0.57 V
A12a The cell Ag //AgCl (sat’d), KCl (1.00 M) //NiL2 (0.0250 M), NaL (0.150 M) //Ni has a voltage of -0.767 V. What...
A12a The cell
Ag //AgCl (sat’d), KCl (1.00 M) //NiL2 (0.0250 M), NaL (0.150 M)
//Ni
has a voltage of -0.767 V. What is the overall formation constant
of NiL2?
Given:
AgCl(s) + e Ag(s) + Cl- Eo = +0.222 V Ni2+ + 2e Ni(s)
Eo = -0.257 V
A12b Consider the following standard reduction potential:
Ag+ + e Ag(s) Eo = +0.800 V AgI(s) + e Ag(s) + I- Eo = -0.164
V
Calculate the solubility constant, Ksp at...
E) write the cell reaction F) calcúlate the cell voltage 8. The Kip of Ca(OH) is...
E) write the cell reaction
F) calcúlate the cell voltage
8. The Kip of Ca(OH) is 6.5x10 What is the pH of this saturated solution? 9. A voltaic cell is constructed with two electrodes: Ag" (0.100M) I Ag, Eore.-0.799 v. Fe2+ (0.300 M) I Fe, E%.--0.409 v Which electrode is anode? and a) b) Which electrode is (+) electrode? c) Do electrons flow from Fe to Ag or from Ag to Fe? d) Do Ag' ions migrate through the solutions...
given this electrochemical cell:
Concentration of H+ is unknown, Pressure of H2 is constant at 1
atm. Initial cell voltage is 0.139V, with the Pt | H2 | H+
half-cell acting as the cathode.
a) write out the oxidization and reduction half reactions, and
the overall chemical reaction occurring, and find the initial pH in
the H+ | H2 | Pt cell
b) What is the equilibrium constant of the reaction happening in
the cell?
Tl(s) | Tl*(aq, 0.50 mol...
An Ag-Cd electrochemical cell is written as Cd (s) CdCl2 (0.010 M) || AgCl (s) CI- (0.50 M) | Ag E°Cd2+/Ca = 0.403 V and EºACIJAg = 0.222 V 1. Write the half-cell reactions at anode and at cathode. 2. Which is oxidant and which is reductant? 3. Calculate the half-cell potentials at both anode and cathode. 4. Calculate the cell potential. 5. Write the whole-cell reaction. 6. Calculate the equilibrium constant for the whole-cell reaction. For the half –...
Question 12 Calculate Eº for an electrochemical cell based on the following overall reaction: 2H*(aq) + Cd(s) - H2(g) + Cd2+(aq) if Erd (Hº)=0.000 V and Exped (Cd2+) = -0.402 V. 0 -0.201 V 0 -0.402 V +0.402 V +0.201 V 0.000 V
please help, thanks!
7. What is the correct cell notation for the reaction below? Cd(aq)+Ni(s)-Cd(s)+ Ni(aq) a. Cd Cd| Ni | Ni d. Ni Cd I N | Ca b. Cd CdNi | Ni e. Cd |Cd Ni Ni 8. Calculate AS for the dissociation of dinitrogen tetraoxi de at 25°C NOdg) 2NO:(g) AG, J/mol)AH, J/mol) Substance NO) NOdg) +33.2 +51.3 +97.9 +9.2 d. +0.076 kJ K a.-2.10 kJ/K e +2.10kJ/K b. -0.550 kJ/K c.-0.208 kJ/K 9. Use the standard...
A12a The cell
Ag //AgCl (sat’d), KCl (1.00 M) //NiL2 (0.0250 M), NaL (0.150 M)
//Ni
has a voltage of -0.767 V. What is the overall formation constant
of NiL2?
Given:
AgCl(s) + e Ag(s) + Cl- Eo = +0.222 V Ni2+ + 2e Ni(s)
Eo = -0.257 V
A12b Consider the following standard reduction potential:
Ag+ + e Ag(s) Eo = +0.800 V AgI(s) + e Ag(s) + I- Eo = -0.164
V
Calculate the solubility constant, Ksp at...
E) write the cell reaction
F) calcúlate the cell voltage
8. The Kip of Ca(OH) is 6.5x10 What is the pH of this saturated solution? 9. A voltaic cell is constructed with two electrodes: Ag" (0.100M) I Ag, Eore.-0.799 v. Fe2+ (0.300 M) I Fe, E%.--0.409 v Which electrode is anode? and a) b) Which electrode is (+) electrode? c) Do electrons flow from Fe to Ag or from Ag to Fe? d) Do Ag' ions migrate through the solutions...
Most questions answered within 3 hours.
-
It is said that Galileo discovered a basic principle of the
pendulum—that the period is independent...
asked 1 minute from now -
The Cost of Equity and
Flotation Costs
Messman Manufacturing
will issue common stock to the public...
asked 5 minutes ago -
a) summarize the challenges facing New Britain today
b) identify some of its strengths
c) suggest...
asked 7 minutes ago -
**86 at 40 not 88. please show how got Tr in calculations thank
you
2) The...
asked 8 minutes ago -
McGlaun Company pays its employees every two weeks. The firm
last paid its employees on September...
asked 21 minutes ago -
You have been gifted a Mogwai as a pet and decide to do a little
online...
asked 26 minutes ago -
given the standard of 200 mg/dl and the absorbance of that
standard is 0.640. What is...
asked 29 minutes ago -
Exercise 8-51 Algo
An accounting professor is notorious for being stingy in giving
out good letter...
asked 37 minutes ago -
month
total distribution cost
level of activity (unit produced)
july
230.000
3500
august
250.000
3750
september...
asked 38 minutes ago -
A smoke detector system uses two devices, A and B. If smoke is
present, the probability...
asked 1 hour ago -
Your division head has assigned another important project to you
and your team. This project is...
asked 50 minutes ago -
Under normal use conditions, the Mean Time To Failure of a
heating coil can be modeled...
asked 1 hour ago