The diagram shows electroplating of a steel object. A student made the statements 1 to 3 in the picture below. Which statements are correct? steel object соррer copper(Il) sultate solution A student made the following statements. The object turns a reddish-brown colour. The copper sulfate solution changes to a paler blue colour. 3 The copper electrode becomes smaller.

Q: 1. Mg + H → Mg²- + H2 Oxidation half-reaction: Reduction half-reaction: Electrochemical notation: 2.…

A: 1. Given reaction Mg + H+  ---->  Mg2+  + H2 Balanced reaction: Mg + 2H+  ---->  Mg2+  + H2…

Q: Consider the following reaction: Co2+ (aq) + Fe (s) → Co (s) + Fe2* (aq) In the reaction as written,…

A: To solve this problem we have to decide which is reduced and which is oxidized .

Q: 2 Fe(s) → 2 Fe2*(aq) + 4 e 02(g) + 2 H20(t) + 4 e-4 OH (aq) Moisture Anode reaction Cathode reaction…

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Q: Balance the redox reaction occurring in basic solution. ClO−(aq)+Cr(OH)4−(aq)→CrO42−(aq)+Cl−(aq)

A: The redox reaction is: ClOaq-+CrOH4aq-→CrO4aq2-+Claq- Step 1: Separate the two half-reactions.…

Q: Separate the following redox reactions into half-reactions, and label each half-reaction as…

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Q: Which of the following is the unit for measuring electric current? O a volt O b ampere meter ohm

A: Current is flow of electrical charge carries usually electrons . It is denoted by symbol I.

Q: What is the balanced equation for the galvanic cell reaction expressed using shorthand notation…

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Q: Balance the following oxidation-reduction reactions, which occur in basic solution, using the…

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Q: Balance the following equation occurring in a basic aqueous solution. Indicate which method you have…

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Q: Balance the following redox reaction under basic conditions. NiO2(s) + Si(s)→Ni(OH)2(aq) +…

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Q: 1. Balance the following reactions in both acidic and basic media, identify the oxidation and…

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Q: 28. For the following reaction, all of the reactants and products are in their standard…

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Q: Consider the unbalanced redox reaction: MnO4- (aq) + Zn(s) → Mn2+(aq) + Zn2+(aq) Determine the…

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Q: Balance the following redox reaction in base: CN– (aq) + MnO4 – (aq) → CNO– (aq) + MnO2 (s) a.…

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Q: The electrolysis of molten AlCl3 for 3.71 hr with an electrical current of 39.6 A produces how many…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: 4Fe(s) + 3O2(g) -------> 2Fe2O3(s).∆Hrxn= -1.65 × 103KJ Weight of Iron(Fe) = 0.100 Kg = 0.100 ×…

Q: What is the balanced equation for the galvanic cell reaction expressed using shorthand notation…

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Q: Galvanic corrosion occurs only when two different metals contact each other in the presence of an…

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Q: hat is the balanced chemical equation for the galvanic cell reaction expressed using shorthand…

A: Solution-given cell notationcell;   Pb(s) ∣ Pb2+(aq) ∣∣ Cu2+(aq) ∣ Cu(s)

Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, B is yellow, and C…

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Q: The electrolysis of a concentrated sodium chloride solution would produce   sodium metal and…

A: The electrolysis of a concentrated sodium chloride solution would produce sodium metal and chlorine…

Q: Balance these reactions for the dissolution/oxidation of solid elements in acid: Cu (s)  +   HNO3…

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Q: For the following reaction, what is being reduced? What is being oxidized? What is the oxidizing…

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Q: For the following reaction, all of the reactants and products are in their standard states/standard…

A: Given Reaction: Zn(s) + SnBr2(aq) ==> ZnBr2 (aq) + Sn(aq)            Eo = + 0.60 V

Q: Which of the following would you expect to conduct electricity? H2CO3(aq), CH4(aq), Hg(l), Cu(s),…

A: Metals conduct electricity in solid state due to the movement of electrons. Hence metals are called…

Q: Of the following metals, which ions are most easily reduced? c. aluminum 17. a. iron b. mercury d.…

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Q: ectrolysis. a)T b)F

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Q: 1. Balance the following redox reactions in acidic or basic solution a. NH3(g) + O2(g)= NO(g) +…

A: Note: As per company policy we are supposed to attempt first question only. Please repost other…

Q: Substances A, B, and C can all act as oxidizing agents. In solution, A is green, yellow, and C is…

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Q: 1. A type of a cell used as a source of electrical energy. A.cell dimension C. voltaic cell E.…

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Q: Balance the reactions; identify the oxidation and reduction reaction;B and identify the oxidizing…

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Q: 1-Balance the following redox reaction occurring in an acidic solution.  The coefficient of…

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Q: Balance the redox reaction occurring in basic solution.…

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Q: For the following reaction, what is being reduced? What is being oxidized? What is the oxidizing…

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Q: What is wrong with the redox reaction given below? 2Cl + 2Br → Cl2 + Br2 chloride cannot be oxidized…

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Q: + 1.14 V TI Pt Cr3+ (1 M) Cr2+ (1 M) T13+ (1 M) T13+ (aq) + 3e-→ TI (s) Cr2+ (aq) → Cr3+ (aq) + What…

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Q: 1. The electrolysis of an aqueous solution of NaCl has the overall reaction: 2H,O + 2Cl H, + Cl, +…

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Q: Consider the following equation in aqueous solution: PO₃³⁻(aq) + SO₂(g) → PO₄³⁻(aq) + S²⁻(aq) Write…

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Q: The amount of lactic acid, HCa Hg O3, produced in a sample of muscle tissue was analyzed by its…

A: Since 2 moles of electrons is required to produce 2 moles of OH- ion as per the reaction  hence…

Q: Balance the following equation for an oxidation-reduction reaction occurring in an acidic solution:…

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Q: Balance the following reaction in basic solution: MnO4- (aq) +C2O42- (aq) ⟶MnO2(s) +CO32-(aq)

A: Divide the Reaction into two halves, i.e. Oxidation Half and Reduction Half Oxidation Half : C2O42-…

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Q: For the reaction below, determine the stoichiometric coefficient on water in the balanced redox…

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Q: What is the balanced equation for the galvanic cell reaction expressed using the following shorthand…

A: The cell given is Mg (s) | Mg2+ (aq) || Cl2 (g) | Cl– (aq) | C (s).

Q: Copper commonly occurs as the sulfide mineral CuS. The first step in extracting copper from CuS is…

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