Question

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 (no sign) C) positive 10) Complete and balance the following redox equation that occurs in acidic solution using the set of smallest whole-number coefficients. What is the coefficient of H:0 in the equation? PbO2(s) + Cl-→ Pb2+ + Cl2(g) (acidic solution) A) 2 C) 5 D) 9 11) Given the following notation for an electrochemical cell Pt(s) H2(g) | H (aq) Il Ag (aq) | Ag(s) what is the balanced overall (net) cell reaction? A) 2H+(aq) + 2Ag+(aq) → H2(g) + 2Ag(s) B) Ha(g) + 2Ag(s) → H+(aq) + 2Ag+(aq) C) 2H+(aq) + 2Ag(s)--H2(g) + 2AgTaq) D) H2(g) + 2Ag(aq) → 2H(aq) + 2Ag(s) 12) What is the oxidation number of Cr in Cro +6 D) +12 A) +2 B) +7 13) Consider an electrochemical cell constructed from the following half cells, linked by an exters circuit and by a KCl salt bridge. - an Al(s) electrode in 1.0 M AI(NO3)s solution - a Pb(s) electrode in 1.0 M Pb(NOs)2 solution The balanced overall (net) cell reaction is A) Pb(s) + Ap-(aq) → Pb?Taq) + Al(s). B) 3 Pb(s) + 2APTaq) → 3 Ps*(aq) + 2Al(s). C) 3Pb2(aq) + 2Al(s) → 3Pb(s) + 2A13+(aq). D) Pb2+(aq) + Al(s) → Pb(s) + Ap-(aq). 14) A certain electrochemical cell has for its cell reaction: Zn +HgO-ZnO+ Hg Which is the half-reaction occurring at the anode? A) HgO + 2e-→Hg + 02- B) Zn2+ +2e-→Zn C) D) Zn→Zn2+ + 2e- ZnO + 2e-→Zn
0 0
Add a comment Improve this question Transcribed image text
Answer #1

23632.5 J/m& +232-632 msろ Ice; 6.6x105

Add a comment
Know the answer?
Add Answer to:
7) At 1500°C the equilibrium constant for the reaction CO(g) + 2H2(g) → 키.4x10-7. Calculate AG)for...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the...

    A) Use tabulated electrode potentials to calculate ΔG∘ for the reaction. 2K(s)+2H2O(l)→H2(g)+2OH−(aq)+2K+(aq) B) (Refer to the following standard reduction half-cell potentials at 25∘C: VO2+(aq)+Ni2+(aq)2H+(aq)++2e−e−→ →Ni(s)VO2+(aq) +H2O(l)E∘=−0.23V E∘=0.99V) An electrochemical cell is based on these two half-reactions: Oxidation:Reduction:Ni(s)VO2+(aq,0.024M)+2H+(aq,1.4M)+e−→→Ni2+(aq,1.8M)+2e−VO2+(aq,1.8M)+H2O(l) Calculate the cell potential under these nonstandard concentrations. C) Standard reduction half-cell potentials at 25∘C Half-reaction E∘ (V ) Half-reaction E∘ (V ) Au3+(aq)+3e−→Au(s) 1.50 Fe2+(aq)+2e−→Fe(s) − 0.45 Ag+(aq)+e−→Ag(s) 0.80 Cr3+(aq)+e−→Cr2+(aq) − 0.50 Fe3+(aq)+3e−→Fe2+(aq) 0.77 Cr3+(aq)+3e−→Cr(s) − 0.73 Cu+(aq)+e−→Cu(s) 0.52 Zn2+(aq)+2e−→Zn(s) − 0.76...

  • ​What is the standard emf of a galvanic cell made of a Co electrode in a 1.0 M Co(NO32 solution and a Al electrode in a 1.0 M AI(NO3)3 solution at 25°C?

    What is the standard emf of a galvanic cell made of a Co electrode in a 1.0 M Co(NO32 solution and a Al electrode in a 1.0 M AI(NO3)3 solution at 25°C? 0 cell Standard Reduction Potentials at 25°C Half-Reaction E(V +2.87 +2.07 +1.82 O,(g) 2H (aq)2e0(g)+HO Co3+(aq) + e-_? Co2+(aq) H,02(aq) + 2H"(aq) + 2e-_ 2H20 Cu2+(aq) + 2e-? Cu(s) AgCIs) + Ag(s) + CI(a) S02-(aq) + 4H'(aq) + 2e S02(g) + 2H20 Cu2+(aq) + e-_ Cu+(aq) Sn (aq)...

  • 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...

  • Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2:...

    Separate galvanic cells are made from the following half-cells: cell 1: H+(aq)/H2(g) and Pb2+(aq)/Pb(s) cell 2: Fe2+(aq)/Fe(s) and Zn2+(aq)/Zn(s) Which of the following is correct for the working cells? Standard reduction potentials, 298 K, Aqueous Solution (pH = 0): Cl2(g) + 2e --> 2C1-(aq); E° = +1.36 V Fe3+(aq) + e --> Fe2+(aq); E° = +0.77 V Cu2+(aq) + 2e --> Cu(s); E° = +0.34 V 2H+(aq) + 2e --> H2(g); E° = 0.00 V Pb2+(aq) + 2e --> Pb(s);...

  • Calculate the equilibrium constant for each of the reactions at 25 ∘C. Standard Electrode Potentials at...

    Calculate the equilibrium constant for each of the reactions at 25 ∘C. Standard Electrode Potentials at 25 ∘C Reduction Half-Reaction E∘(V) Pb2+(aq)+2e− →Pb(s) -0.13 Zn2+(aq)+2e− →Zn(s) -0.76 Br2(l)+2e− →2Br−(aq) 1.09 Cl2(g)+2e− →2Cl−(aq) 1.36 MnO2(s)+4H+(aq)+2e− →Mn2+(aq)+2H2O(l) 1.21 Pb2+(aq)+2e− →Pb(s) -0.13 Br2(l)+2Cl−(aq)→2Br−(aq)+Cl2(g) Express your answer using two significant figures.

  • Given which of the following sets of thermodynamic parameters is a reaction spontaneous only at higher...

    Given which of the following sets of thermodynamic parameters is a reaction spontaneous only at higher temperatures? A) ΔH < 0 and ΔS < 0 B) ΔH < 0 and ΔS > 0 C) ΔH > 0 and ΔS > 0 D) ΔH > 0 and ΔS < 0 ---------------------------------------------------------------------------------------------------------------------------- A galvanic cell is constructed using a zinc electrode immersed in a 1.0 M Zn2+ solution and a silver electrode immersed in a 1.0 M Ag+ solution. What is the...

  • - Zn2+ Choose... Choose... (1pts) Identify the complete redox reaction for a ZnZn2+1|Cu2+1Cu cell. A. Zn(s)...

    - Zn2+ Choose... Choose... (1pts) Identify the complete redox reaction for a ZnZn2+1|Cu2+1Cu cell. A. Zn(s) + Cu?+ (aq) (aq) + Cu(s) B. Zn(s) + Cu(s) → Zn2+ (aq) + Cu2+ (aq) C. Zn2+ (aq) + Cu(s) Zn(s) + Cu2+ (aq) D. Zn (s) + 2 Cu(s) — Zn2+ (aq) + 2 Cu2+ (aq) (1pts) Identify the complete redox reaction for a Zn/Zn2+||Pb2+1Pb cell. A. Zn (s) + Pb(s) Zn2+ (aq) + Pb2+ (aq) B. Zn2+ (aq) + Pb(s) Zn(s)...

  • calculate ecell for the following electrochemical cell at 25 C. Pt(s)| H2 (g,1.00 atm) | H+...

    calculate ecell for the following electrochemical cell at 25 C. Pt(s)| H2 (g,1.00 atm) | H+ (aq, 1.00 M) || (Pb2+ (aq, 0.150 M) | Pb (s) Pb^2+(aq) + 2e- ---> Pb (s) Eo=-0.126 V 2H^+ (aq) + 2e- ---> H2 (g) Eo=0.00 V Thank you!

  • Pb2+(aq) + 2e− ⇌ Pb(s) E° = -0.126 V 2H+(aq) + 2e− ⇌ H2(g) E° =...

    Pb2+(aq) + 2e− ⇌ Pb(s) E° = -0.126 V 2H+(aq) + 2e− ⇌ H2(g) E° = 0.000 V E°cell (in V)= 0.126 V 2. The electrochemical cell is comprised of a Pb electrode in a 1.67 × 100 M solution of Pb2+ (aq) coupled to a Pt electrode in a solution containing H+ (aq) where the pH of the solution is 0.37 and the partial pressure of H2(g) is 0.571 atm. The temperature of the cell is held constant at...

  • Consider an electrochemical cell constructed from the following half cells, linked by an...

    Consider an electrochemical cell constructed from the following half cells, linked by an external circuit and by a KCl salt bridge.?• an Al(s) electrode in 1.0 M Al(NO3)3 solution? • a Pb(s) electrode in 1.0 M Pb(NO3)2 solution?The balanced overall (net) cell reaction isA. Pb(s) + Al3+(aq) ? Pb2+(aq) + Al(s).B. 3Pb(s) + 2Al3+(aq) ? 3Pb2+(aq) + 2Al(s).C. 3Pb2+(aq) + 2Al(s) ? 3Pb(s) + 2Al3+(aq).D. Pb2+(aq) + Al(s) ? Pb(s) + Al3+(aq).Can you explain and show steps of how to...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT