Homework Answers
![loverall reaction, 1 Cr207799) + 147 (99) + 61 (09) --Y 2012 (19) + 31,(%) + 4H206/ Emf - 0.794V given that [0712042-] = 2.0](http://img.homeworklib.com/questions/53810160-6e94-11ea-ad20-1f70e274c372.png?x-oss-process=image/resize,w_560)
Add Answer to:
croHissit Song "14. a) Calculate the standard emf and write the overall equation for the cell...
Using data found in Appendix E of your textbook calculate the nonstandard emf for each of...
Using data found in Appendix E of your textbook calculate the
nonstandard emf for each of the following reactions if the
concentration of each of the ions in these reactions is 0.0005
molar and everything else is standard (use 298 K for the
temperature, R = 8.314 J/mol-K, and F = 96,485 C/mol):
Using data found in Appendix E of your textbook calculate the nonstandard emf for each of the following reactions if the concentration of each of the ions...
Using the standard reduction potentials listed, calculate the equilibrium constant for each of the following reactions...
Using the standard reduction potentials listed, calculate the
equilibrium constant for each of the following reactions at 298
K.
A) Fe(s)+Ni2+(aq)→Fe2+(aq)+Ni(s)
Express your answer using two significant figures.
B) Co(s)+2H+(aq)→Co2+(aq)+H2(g)
Express your answer using two significant figures.
C) 10Br−(aq)+2MnO−4(aq)+16H+(aq)→2Mn2+(aq)+8H2O(l)+5Br2(l)
Express your answer using two significant figure.
E°(V) -0.83 +0.88 +1.78 +0.79 Half-Reaction E°(V) Half-Reaction Ag+ (aq) + - Ag(s) +0.80 2 H20(1) + 2 e — H2(8) + 2 OH+ (aq) AgBr(s) + - Ag(s) + Br" (aq) +0.10 HO2...
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2...
Calculate the cell potential for the following reaction as written at 25.00 °C, given that [Mg2 ] = 0.774 M and [Sn2 ] = 0.0190 M. Standard reduction potentials can be found here. Reduction Half-Reaction Standard Potential Ered° (V) F2(g) + 2e– → 2F–(aq) +2.87 O3(g) + 2H3O+(aq) + 2e– → O2(g) + 3H2O(l) +2.076 Co3+(aq) + e– → Co2+(aq) +1.92 H2O2(aq) + 2H3O+(aq) + 2e– → 2H2O(l) +1.776 N2O(g) + 2H3O+(aq) + 2e– → N2(g) + 3H2O(l) +1.766 Ce4+(aq) + e– → Ce3+(aq)...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction Round your answer to 3 significant digits. 2CH(OH), (-) +100H(aq) + 3Br (1) ► 2010 (92) +8H,O()+6Be (aq) cil Data E (V) 0.7996 x 5 ? -1.675 1.692 1.498 -2.912 1.066 1.35827 Half-Reaction Agt (aq) + e -- Ag (s) AP+ (aq) + 3e" -Al(s) Aut (aq) + e - Au (s) Au3+ (aq) + 3e" - Au (5)...
please help the standrad reduction provided down What is the calculated value of the cell potential...
please help the standrad reduction provided down
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Cu2+ concentration is 9.24x10 + M and the Cr3+ concentration is 1.47 M? 3Cu2+ (aq) + 2Cr(s) Answer: 3Cu(s) + 2Cr +(aq) v The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an electrochemical cell with the...
Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to...
Using standard reduction potential in aqueous solutions at 25c Table, which substance is most likely to be oxidised by O2 (g) in acidic aqueous solution? Select one: a. Br2 (l) b. Br- (aq) c. Ni2+ (aq) d. Ag (s) e. Cu2+ (aq) Cathode (Reduction) Half-Reaction Standard Potential E° (volts) Li+(aq) + e- -> Li(s) -3.04 K+(aq) + e- -> K(s) -2.92 Ca2+(aq) + 2e- -> Ca(s) -2.76 Na+(aq) + e- -> Na(s) -2.71 Mg2+(aq) + 2e- -> Mg(s) -2.38 Al3+(aq)...
4. Write a balanced equation from each cell notation, then calculate thee of the cell, is...
4. Write a balanced equation from each cell notation, then calculate thee of the cell, is it spontaneous or nonspontaneous? A. Cr(s) Crot || Cui Cu(s) B. Al(s) Al* | Ce Ce Pt C. Cu (s) Cu? || Al Al (s) Useful information: F= 96485 J/V mol electrons, AG ----F-Ecell AG --RTINK: Ece 0.0592/n*logK; EcellEcett -0.0592/n*logQ Ce (aq) + Ag+ (aq) + e Fet (aq) + Cu" (aq) + Cu (aq) + 2e 2H(aq) + 2 Pb (aq) + 2e...
use tabulated standard electrode potential to calculate the standard cell potential for the reaction occurring in an el...
use tabulated standard electrode potential to calculate the
standard cell potential for the reaction occurring in an
electrochemical cell at 25 C. (The equation is balanced.)
3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq)
Express your answer to two significant figures and include the
appropriate units.
em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction. Round your answer to 3 significant digits. 6C1" (aq) +200 (aq) +8H,0(1) — 3C1, (e)+2Cr(OH),() +100H(aq) dl Data 1.498 -2.912 XS ? 1.066 -2.168 1.35827 -0.28 1.92 -0.913 -0.744 Apl(aq) + 34 - Au (s) Ba?+ (aq) + 2e" -Ba(s) Bry () + 2e" -2Br" (aq) Ca2+ (aq) + 2e - Ca (s) Cl2 (a) + 2e --20" (aq)...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 3 Zn + 2 Cr3+ + 2 Cr + 3 Zn? (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? TABLE 18.1 Standard Reduction Potentials at 25°C EV) 2.87 1.61 1.51 1.36...
Using data found in Appendix E of your textbook calculate the
nonstandard emf for each of the following reactions if the
concentration of each of the ions in these reactions is 0.0005
molar and everything else is standard (use 298 K for the
temperature, R = 8.314 J/mol-K, and F = 96,485 C/mol):
Using data found in Appendix E of your textbook calculate the nonstandard emf for each of the following reactions if the concentration of each of the ions...
Using the standard reduction potentials listed, calculate the
equilibrium constant for each of the following reactions at 298
K.
A) Fe(s)+Ni2+(aq)→Fe2+(aq)+Ni(s)
Express your answer using two significant figures.
B) Co(s)+2H+(aq)→Co2+(aq)+H2(g)
Express your answer using two significant figures.
C) 10Br−(aq)+2MnO−4(aq)+16H+(aq)→2Mn2+(aq)+8H2O(l)+5Br2(l)
Express your answer using two significant figure.
E°(V) -0.83 +0.88 +1.78 +0.79 Half-Reaction E°(V) Half-Reaction Ag+ (aq) + - Ag(s) +0.80 2 H20(1) + 2 e — H2(8) + 2 OH+ (aq) AgBr(s) + - Ag(s) + Br" (aq) +0.10 HO2...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction Round your answer to 3 significant digits. 2CH(OH), (-) +100H(aq) + 3Br (1) ► 2010 (92) +8H,O()+6Be (aq) cil Data E (V) 0.7996 x 5 ? -1.675 1.692 1.498 -2.912 1.066 1.35827 Half-Reaction Agt (aq) + e -- Ag (s) AP+ (aq) + 3e" -Al(s) Aut (aq) + e - Au (s) Au3+ (aq) + 3e" - Au (5)...
please help the standrad reduction provided down
What is the calculated value of the cell potential at 298K for an electrochemical cell with the following reaction, when the Cu2+ concentration is 9.24x10 + M and the Cr3+ concentration is 1.47 M? 3Cu2+ (aq) + 2Cr(s) Answer: 3Cu(s) + 2Cr +(aq) v The cell reaction as written above is spontaneous for the concentrations given: What is the calculated value of the cell potential at 298K for an electrochemical cell with the...
4. Write a balanced equation from each cell notation, then calculate thee of the cell, is it spontaneous or nonspontaneous? A. Cr(s) Crot || Cui Cu(s) B. Al(s) Al* | Ce Ce Pt C. Cu (s) Cu? || Al Al (s) Useful information: F= 96485 J/V mol electrons, AG ----F-Ecell AG --RTINK: Ece 0.0592/n*logK; EcellEcett -0.0592/n*logQ Ce (aq) + Ag+ (aq) + e Fet (aq) + Cu" (aq) + Cu (aq) + 2e 2H(aq) + 2 Pb (aq) + 2e...
use tabulated standard electrode potential to calculate the
standard cell potential for the reaction occurring in an
electrochemical cell at 25 C. (The equation is balanced.)
3Ni^2+(aq)+2Cr(s)--->3Ni(s)2Cr^3+(aq)
Express your answer to two significant figures and include the
appropriate units.
em 26 E (V) -0.45 -0.50 -0.73 -0.76 -1.18 Standard reduction half-cell potentials at 25°C Half-reaction E° (V) Half-reaction Aul+ (aq) + 3e +Au(s) 1.50 Fe2+ (aq) + 2eFe(s) Ag+ (aq) +e-Ag(s) 0.80 Cr3+ (aq) + Cr²+ (aq) Fe+(aq) + 3e...
Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free energy AG for the following redox reaction. Round your answer to 3 significant digits. 6C1" (aq) +200 (aq) +8H,0(1) — 3C1, (e)+2Cr(OH),() +100H(aq) dl Data 1.498 -2.912 XS ? 1.066 -2.168 1.35827 -0.28 1.92 -0.913 -0.744 Apl(aq) + 34 - Au (s) Ba?+ (aq) + 2e" -Ba(s) Bry () + 2e" -2Br" (aq) Ca2+ (aq) + 2e - Ca (s) Cl2 (a) + 2e --20" (aq)...
4. (a) Use the standard reduction potentials at 25° C in Table 18.1 in Tro, Fridgen and Shaw, and calculate the standard emf E° of an electrochemical cell described by the following reaction: 3 Zn + 2 Cr3+ + 2 Cr + 3 Zn? (b) What is n? (c) What is AGº for this reaction at 25°? (d) What is the equilibrium constant for this reaction at 25°? TABLE 18.1 Standard Reduction Potentials at 25°C EV) 2.87 1.61 1.51 1.36...
Most questions answered within 3 hours.
-
Given the information coding of DNA strand:
5'-TTT-TAC-GAA-GAG-TGA-3',
Write the corresponding DNA template and mRNA strand...
asked 16 minutes ago -
2. Boris recently synthesized an explosive compound he named
Badenoughium. The molecular formula for Bdenoughium is...
asked 3 hours ago -
5. A car decelerate evenly from a velocity of 50mph until rest
in a distance of...
asked 4 hours ago -
IN HTML Programming
1. Write a script that inputs integers (one at a time) and
passes...
asked 4 hours ago -
A dentist uses a mirror to examine a tooth that is 0.75 cm in
front of...
asked 4 hours ago -
You set up a 100,000 line of credit for the business on 1/1/X8,
annual interest is...
asked 4 hours ago -
What is the measurement uncertainty of a pan balance? How did you
get that?
asked 4 hours ago -
Suppose four firms have market shares of 30%, 30%, 20% and 20%.
What is the Herfindahl-Hirschman...
asked 4 hours ago -
IBT Industrial Solutions produces forty units of rack and pinion
type steering gears during an eight...
asked 4 hours ago -
The Ksp for PbI2 is 9.8×10−9 . Will PbI2 precipitate if 2.5 mL
of 0.0025 M...
asked 4 hours ago -
- Write a Person Constructor that initializes `name` and
`age` from arguments.
- All instances of...
asked 4 hours ago -
What is the meaning of the statement: In acid-base catalysis,
acid catalysis involves partial proton transfer...
asked 4 hours ago