Explain the following prrblem in detail
Explain the following prrblem in detail Fort he next reaction: 2H+(ac) + le+ Ago) +H2(g) +...
4. The following balanced redox reaction occurs in voltaic cell at 25°C H2 (g) + 2Ag+ (aq) → 2H* (aq) + 2 Ag (s) 2H+ + 2e → H2 (g) EⓇ = 0.00V Ag (aq) + le → Ag(s) E = +0.80V a. Write the two half-reactions (oxidation and reduction) occurring in the cell. Clearly indicate which reaction shows oxidation and which shows reduction. Clearly indicate which reaction occurs at the anode and which reaction occurs at the cathode. (4...
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...
Is the following reaction spontaneous? Cd(s) + 2H+(aq) → H2(g) + Cd2+(aq) If so/if not, please explain :)
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...
the Answer is (A)
15. For the given electrochemical cell at 298.15 K: Pt|H2(g, f= 1 atm)|HCl(aq, m) |AgCl) |Ago) The following figure is obtained from derivation of the Nernst equation at different molalities of HCl : 0.235 y = 0.223 +0.06x 80.230 – Ecent (2RT/F) In(m/mº) 0.225 0.220 + 0.0 0.1 0.2 (m/m9) 12 (2RT) The figure shows the plot of (Ecell + F In (m/m°)) vs (m/mº)1/2 . Calculate the experimental mean activity coefficient V+ of HCl at...
6. [Le Châtelier's Principle] Consider the following system at equilibrium: CH&(g)+2H2O(g) CO2(g)+ 4H2(g) What change shown below will cause the equilibrium to shift to form more H2? A. increase [H2] B. decrease [H2O] C. decrease the volume of the reaction vessel D. decrease [CH4] E. decrease [CO2) b) (c) (e) x Y Reaction coordinate x+ Y 2 2. Refer to the Reaction Energy Diagram above for the following question. Which statement is TRUE regarding the diagram above? A. Letter (c)...
In the Lebedev's process 1,3-butadiene is produced from ethanol according to the following chemical equation 20,H,OH(g)->CH.-CH-CH-CH2(g)+2H,O(g)+H2(g) Calculate the butadiene percent yield of the reaction at T-4 lXata 50 K andp 2 atm. CH,OH2348 110.2 -241.8 C4H, H20 167.9 150.7 -228.6
Please explain, thank you!
(4) Consider a cell at 298 K in which the reaction is Pb (s)+2H (aa-Pb2+ (ag) +H2 (g) (a) Cr ions are added to the Pb|Pb2+ half-cell to precipitate PbCh. The cell voltage is then measured to be +0.210 V. If [H]-1.0 M and the partial pressure of hydrogen is 1.0 atm, what is [Pb2*]? (answer: 1.57 x 103 M) (b) Calculate the Kp of PbCh if [Cl]-0.10 M in the PblPb2 half-cell. (answer: 1.57 x...
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...
please explain how to do this
9. For the following reaction, 2 H2(g) + 2 NO (g) → N2(g) + 2 H20 (g) the rate law is: rate = k[H2][NO]?. At a given temperature, what is the effect on the reaction rate if the concentration of H2 is quadrupled and the concentration of NO is doubled?