How many seconds does it take to deposit 1.63 g of Ni on a decorative drawer handle when 11.8 A is passed through a Ni(NO3)2 solution?       s

Q: An iron object is plated with a coating of cobalt to protectagainst corrosion. Does the cobalt…

A: No the cobalt cannot protect iron by cathodic protection.

Q: Determine if HNO3 can dissolve metal sample. If it can, writea balanced chemical reaction showing…

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Q: 5. A spontaneous reaction would occur between Fe (aq) solution and: A. h(s) B. Zn(s) C. Hg(1) D. Fe…

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Q: When 0.60 A of electric current is passed through a 15.0 mL solution of permanganate ions for 11.7…

A: Given,  Current passed = I = 0.60 A  Volume in mL = 15.0 mL Time period = t = 11.7 min.  Equation is…

Q: Determine if HNO3 can dissolve  metal sample. If it can, write a balanced chemical reaction showing…

A: Nitric acid is oxidizing agent which oxidize the metal and get reduced.

Q: For a particular redox reaction, Cr is oxidized to CrO and Cu²+ is reduced to Cu*. Complete and…

A: Write the balanced redox reaction under basic condition---

Q: Which metals dissolve in HCl? For those metals that do dissolve, write a balanced redox reaction…

A: The given metals: (a) Ag (b) Fe (c) Cu (d) Al To find: The metal that dissolves in HCl and balanced…

Q: How many minutes will take to plate out 5.0 g of Cr from Cr2(SO4)3 solution using a current of 15 A…

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Q: 1. Is rusting of iron a physical change or chemical change? Explain why? 2. What is the colour of…

A: Rusting : Rusting is a reaction in which iron reacts with water and oxygen to give hydrated iron…

Q: Determine the time required to deposit 5.25 g of silver on a surfacefrom a silver nitrate solution…

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Q: Balance the following redox reaction in basic solution: CN + Fe3+ ---> CNO + Fe2+ What is the…

A: Given reaction CN- +Fe3+ ----------> CNO-+Fe2+

Q: What factors are able to reduce Cu2+ ion to Cu metal?

A: When a metal looses electrons it forms metal ions. When metal ions accept electrons, they form metal…

Q: How many seconds does it take to deposit 65.5 g of Zn on a steel gate when 21.0 A is passed through…

A: Given: Mass of Zn = 65.5h Current = 21.0A To find: The number of seconds it take to deposit

Q: What mass of copper metal is deposited if a 5.12 A current is passed through a Cu(NO3)2 solution for…

A: According to Faraday’s first law of electrolysis, the mass of a substance deposited can be expressed…

Q: How many seconds does it take to deposit 1.63 g of Ni ona decorative drawer handle when 13.7 A is…

A: The time required to deposit 1.63 g of Ni on a decorative drawer handle when 13.7 A is passed…

Q: How many hours would it take to electroplate 15.0 grams of chromium if a constant current of 7.0…

A: According to Faraday's law :  W = ZIt = (E/F)It  Where , E = Equivalent mass of Cr  F = Faraday's…

Q: 1.) How many minutes will it take to plate out 2.19 g of chromium metal from a solution of cr" using…

A: 1. mass of Cr = 2.19 g  current = 35.2 A    Note : Since there are multiple questions, as per policy…

Q: Determine whether or not each metal dissolves in 1 M HIO3. Forthose metals that dissolve, write a…

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Q: Nickel can be plated from aqueous solution according to the following half reaction. How long would…

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Q: A concentration cell is used to measure the molar solubility of CdCO3.   A saturated solution of…

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Q: Compensate for the following redox reactions using the half reaction method?   In Acidic Solution;…

A: (Fe(CN)6)3-+ N2H4→(Fe(CN)6)4-+ N2   Reactant product oxidation number Fe=+3,C=+2 N=-3…

Q: How many g of Ag form when 10.0 A are passed through molten AgCl for 35.0 minutes?

A: Given: Time (t)=35 minutes=35×60 s=2100 sCurrent (I)=10.0 A To find: Mass of Ag

Q: The solubility of Ce(IO3)3 in a 0.34-M KIO3 solution is 8.9 x 10 mol/L. Calculate Kp for Ce(IOs)s.…

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Q: A redox reaction has an equilibrium constant of K = 0.055. What is true of AGn and Ea for this…

A: Redox reaction is where oxidation and reduction take place at the same time in the same reaction.

Q: Which metal dissolves in HNO3 but not in HCl? (a) Fe (b) Au (c) Ag

A: The metals can be dissolved in nitric acid with below the reduction potential of nitrate ion and…

Q: How many grams of Ag can be produced by passing a current of 0.350 A through a solution of AgNO3 for…

A: Faraday first law of electrolysis:  The mass of substance (m) deposited at an electrode is directly…

Q: How many seconds does it take to deposit 65.5 g of Zn ona steel gate when 21.0 A is passed through a…

A: Redox reactions are a type of chemical reaction where oxidation and reduction takes place…

Q: 4) When coupling copper with Zink in natural water, the corrosion rate of Zinc increases. Why?

A: Oxidative destruction of metal is called corrosion.

Q: Rank in decreasing strength of Reducing agent:  Au(s),  N2(g) ,Cr(s)

A: A reducing agent reduces the other molecule and itself gets oxidized  an oxidizing agent oxidizes…

Q: Subterranean brines in parts of the United States are rich in iodides and bromides and serve as an…

A: The halogen that is likely to form from this treatment has to be given and the reason has to be…

Q: Calculate the pressure of H2 required to stop corrosion of iron immersed in 0.1 M FeCl2, pH=4. Efe…

A: Given that The corrosion of iron immersed in 0.1 M FeCI2 and PH=4 The cell notation is  Fe → Fe3+ +…

Q: Complete and balance the fallauing redox reaction in basic solutian Zn(OH)4²cag) t As IS) 2. )…

A: The redox reactions are the oxidation-reduction reactions, which involves simultaneous oxidation and…

Q: hich metals dissolve in HCl? For those metals that do dissolve write a balanced redox reaction…

A: Some metals seem to be more "active" over others, in a way that a very active metal may displace a…

Q: Enter your answer in the provided box. How many seconds does it take to deposit 44.0 g of Zn on a…

A: The reduction reaction of zinc is as follows: Zn2+ + 2e---------------->Zn(s) Current (i) = 21 A.…

Q: Nickel can be plated from aqueous solution according to the following half reaction. How long would…

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Q: How many seconds does it take to deposit 84.6 g of Zn on a steel gate when 21.0 A is passed through…

A: According to Faraday first law chemical deposition of element is directly proportional to quantity…

Q: 18.11 Calculate the standard emf of a cell that uses the Mg/Mg*and Cu/Cư²+ half-cell reactions at…

A: The galvanic cell is the type of electrochemical cell. The electrochemical cell is the one that…

Q: Calculate the no. of amperes necessary to deposit 84.5 g of nickel from a solution of NiCl 3 in 45.0…

A: The given problem can be solved by using Faraday's first law. This law states that the mass of a…

Q: i. Define and explain electrochemical corrosion. ii. Briefly explain the techniques which are mostly…

A: Two questions based on corrosion, which are to be accomplished.

Q: A solution containing Pt4+  is electrolyzed with a current of 4.30 A. How long will it take to plate…

A: The solution is as follows :

Q: 3. Consider the following galvanic cell: Fe(s) Cr(s) Salt bridge containing KNO,(aq) 1M Fe+ IM Cr+…

A: Given galvanic cell reaction between Fe and Cr. Which are the cathode and anode?

Q: A company provides chrome plating for several auto manufacturers. They calculate they need to plate…

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Q: 11. What are the factors on which corrosion depends? b. Name three processes used to prevent…

A: Factors on which corrosion depends includes, Exposure to moisture Increase in temperature pH of the…

Q: Indicate which of the following metals could provide cathodic protec- tion to iron, Al, Cu, Ni, Zn.…

A: Cathodic protection is a technique based on the reduction potential of the metals and used to…

Q: In a particular redox reaction, Cr is oxidized to CrO and Fe+ is reduced to Fe2+. Complete and…

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Q: 2 a) Briefly explain the galvanizing process with a neat diagram. b) Write the applications of…

A: Galvanization is the process of applying a protective layer of the zinc metal. It is very common…

Q: 6. A solution of Al(NO3)3 is electrolyzed by passing 144 A of current for 102 min. What mass of…

A: To solve this problem first we have to calculate the quantity of electricity passed then we will…