7. Two chemical equation can be written for the possible interaction of Sn²+ and Pb2+. a. Write the reaction that shows these reactants making lead metal and Sn+. b. Calculate E°. Is this reaction spontaneous under standard conditions? E° = Yes No c. Write the reaction that shows these reactants making tin metal and PbO2 in acid.

Q: Given the reaction: Hg2+  + Cd   ⇔  Cd2+  + Hg

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Q: calculate the standard potential, E, determine the number of electrons transferred, n, and calculate…

A: To solve above question standard reduction potential value is used which is :  E°Al+3/Al = -1.66 V…

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Q: a Consider the reaction: Fe(s) + Ni?+ (aq)2 Fe²+ (aq) + Ni(s) 2+ (aq, 1.0 M) + 2 e → Ni(s) E° =-0.25…

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Q: İs oxidation of copper spontaneous at room temperature? 2Cu(I)+1/2 O2(g)=Cu2O(

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Q: A current of 10 amperes is passed through molten magnesium chloride for 3.0 hours.  How many moles…

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Q: 21.31 Balance each skeleton reaction, calculate Eell, and state whether the reaction is spontaneous:…

A: A Galvanic cell is made up of an anode and a cathode. Reduction reaction occurs at cathode whereas…

Q: 21.31 Balance each skeleton reaction, calculate E, and state whether the reaction is spontaneous:…

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A: The equilibrium constant for the reaction can be written as the ratio of the product of the product…

Q: 21.31 Balance each skeleton reaction, calculate Eell, and state whether the reaction is spontaneous:…

A: The reaction is spontaneous when the standard electrode potential of the cell is positive.

Q: The electrochemical cell is given: in the picture. Which of these changes will increase the cell…

A: A .Cell potential is given by Ecell= E°cell-0.059/2 lnQ.

Q: What is E for the reaction in the previous problem when the concentration of H+, H2, and Zn+2 are…

A: E°cell = E°cathode - E°anode E°cathode = standard reduction potential of cathode electrode E°anode =…

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A: To solve this problem we have to write the oxidation half reaction and Reduction half reaction…

Q: Given the information below. Is the cell spontaneous in the forward or reverse directions? Pt |…

A: Given that,  Pt | Pt2+|| Au3+| Au Pt2+(aq) + 2 e– ----> Pt(s)  ;    E° = 1.20 Au3+(aq) + 3 e–…

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A: Electrochemistry is branch of chemistry in which we deal with oxidation and reduction reaction.…

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Q: 21.31 Balance each skeleton reaction, calculate E whether the reaction is spontaneous: (a) Co(s) +…

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Q: How many grams of chromium metal are plated out when a constant current of 8.00 A is passed through…

A: We have, Cr3+ needs 3 Faradays to plate 1 mole This means that for every 3 moles of electron…

Q: Calculate Δ G for the following reaction at 25 ° C:   Pb(s) + Ni2+(aq) ⇌ Pb2+(aq) + Ni(s)

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Q: Consider the following reaction at 298K. Ni²+ (aq) + Fe (s) →→→→Ni (s) + Fe²+ (aq) Which of the…

A: Ni2+ (aq) + Fe(s) ——> Ni (s) + Fe2+ (aq)  EoNi2+/Ni = -0.23V  EoFe2+/Fe = -0.44V

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Q: The reaction Cr(NH3)63*(aq) + 3en(aq) Cr(en)33*(aq) + 6 NH3(aq)where en represents -->…

A: answer -  given reaction is - Cr(NH3)63+ (aq) + 3en(aq) ---------> Cr(en)33+ (aq) + 6NH3 (aq)…

Q: 4. The possible galvanic corrosion between zinc and chromium is Crs| C* (ag) || Zn2* (aq) | Zn(s)…

A: Reduction Potential of Cr2+ = -0.910 V Reduction Potential of Zn2+ = -0.763 V Cr2+ with more…

Q: Predict whether the following reactions would occur spontaneously in aqueous solution at 25°C.…

A: Answer :-   (a) 2Ag(s) + Ni2+(aq) → 2Ag+(aq)  + Ni(s) - The redox reactions occur non spontaneously…

Q: Consider the following reaction at 298K. Cd2+ (aq) + 2 Fe2+ (aq) Cd (s) + 2 Fe3+ (aq) Which of the…

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Q: 21.31 Balance each skeleton reaction, calculate Ell, and state whether the reaction is spontaneous:…

A: Given reactions are : (a). Co (s) + H+ (aq) --------> Co2+ (aq) + H2 (g)  (b). Mn2+ (aq) + Br2…

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A: Reduction is the term used when there is a gain of electrons. Oxidation is the term used when there…

Q: /21.31 Balance each skeleton reaction, calculate Ell and state whether the reaction is spontaneous:…

A: Given unbalanced reaction is :  Co (s) + H+ (aq) --------------> Co2+ (aq) + H2 (g)  a). Balanced…

Q: 3.Why are standard electrode potentials affected by the nature of the electrode?     A.Different…

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Q: 21.31 Balance each skeleton reaction, calculate Eel, and state whether the reaction is spontaneous:…

A: When the E°cell of a reaction is positive then the ∆G of the reaction is negative. As ∆G =…

Q: 21.31 Balance each skeleton reaction, calculate Ell, and state whether the reaction is spontaneous:…

A: An electrochemical cell involves the redox reaction. A redox reaction involves the oxidation as well…

Q: A current of 5.48 A is passed through a Cr(NO3)2 solution for 1.90 h. How much chromium is plated…

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Q: 21.32 Balance each skeleton reaction, calculate Eell and state whether the reaction is spontaneous:…

A: 1.) Write the two half reactions. Cl2(g)→Cl-(aq) Fe2+(aq)→Fe3+(aq) First balance the number of atoms…

Q: 21.32 Balance each skeleton reaction, calculate Ell and state whether the reaction is spontaneous:…

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Q: a)Which redox reaction is not spontaneous under standard conditions? a 2 Fe + 3 Br2 → 2 Fe3+ + 6…

A: From electrochemical series,  in Spontaneous reaction more reduction potential element get reduced…

Q: 5. Consider a redox reaction for which AG° is positive. Which of the following is true? (a) The…

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Q: Will water still corrode if it has a lead concentration of 70mg/L but a pH of 7.4?

A: Soft water that contains sodium salts does not coat the pipes and consequently is more corrosive.…

Q: Predict whether the following reactions would occur spontaneously in aqueous solution at 25°C.…

A: standard conditions are given: Temperature = 25° C Initial concentration of all the dissolved…