How many amperes are required to deposit 0.119 grams of nickel metal in 806 seconds, from a solution that contains Ni^2+ ions. ______A

Q: Considering the activity series of increasing reactivities (Cu < Sn < Fe < n < Mg), which metal(s)…

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Q: Water is used to balance O atoms in the half-reaction method. Why can’t O2- ions be used instead?

A: The given statement is, Water is used to balance O atoms in the half-reaction method. The reason for…

Q: How many amperes are required to deposit 0.120 grams of cadmium metal in 633 seconds, from a…

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Q: Consider the following redox reaction, Cr*+ (aq) + Zn (s) → Cr (s) + Zn²+ (aq) What is the cell…

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Q: Using the half reaction method, balance the redox reaction under basic conditions: Zn(S) + NO3-(aq)…

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Q: How many amperes are required to deposit 0.106 grams of tin metal in 333 seconds, from a solution…

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Q: There are.. main methods for protection metals from corrosion. * Four. O Seven. O Two.

A: Corrosion is a natural process in metal react with atmosphere and convert into more stable oxide,…

Q: (this is a multiple choice question with an explanation portion) Which of the following metals could…

A: The given half reactions are : Cu+ + e  →  Cu             E° = 0.52 V Pb2+ + 2 e  →  Pb         E° =…

Q: Balance the following redox equation in acidic solution.  What is the coefficient of the H + ion?…

A: Balance the following redox equation in acidic solution.  What is the coefficient of the H + ion?

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: Q.1) Explain how impurities in metal can cause corrosion, and what would be the type of this kind of…

A: A question based on corrosion, which is to be accomplished.

Q: Copper is found as the mineral covellite (CuS). The first step in extracting the copper is to…

A: The reaction given is, =&gt; CuS (s) + HNO3 (aq) ------&gt; NO (g) + CuSO4 (aq) In the above…

Q: Q4: For a metallic coating of type 430 stainless steel on mild steel, what happens if an…

A: The metallic coating on the steel will prevent the corrosion of the metal. The water will not be…

Q: Which of the following is wrong for erosive corrosion? A: Occurs when corrosive solutions flow…

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Q: What is the oxidation number of Zn in zinc metal? (Sec. 17.1) (a) 0 (b) -1 (c) -2 (d) -3 (e) none of…

A: We know that most of the metal showing the multiple oxidation number. Oxidation number is represent…

Q: Among these metals, which is considered soft? a. Cu b. Sn c. Au d. Al     Metals are good…

A: A metal can donate electrons from its outermost shell.

Q: Find the reduction and Oxidation. Ag + CN + 02 Ag (CN),

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Q: Find molar mass in amu of a metal. Electroplating took 2 minutes for 2 A to plate 0.0800 g of metal…

A: Given data: I = 2 A t= 2 min W= 0.0800 g

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: We can use standard reduction potentials to understand the activity series of metals. True or false?

A: Introduction: The reactivity of metals is because of the difference in stability of their electronic…

Q: How many electrons are gained or lost by each copper atom In the balanced redox reaction: 2 Cu(s) +…

A: Sulphur is an electron deficient atom (like oxygen). Sulphur has 6 electrons in its valence shell…

Q: 2. a gain in oxygen during this process is called reduction process A. True  B.False

A: In terms of oxidation, the increase in the oxidation number considered as oxidation whereas…

Q: 7. The % T of a solution in a 2.00 cm cell is 50. Calculate the %T of this solution in a 1.0 cm cell…

A: Given-&gt; %T  = 50 when l = 2.00 cm  %T =?  When l= 1.0 cm

Q: Oxidation number of Mn in KMNO4 i

A: KMnO4 is known as potassium Permagnent which is a purple color solid. Colour arises due to ligand to…

Q: 41. What will be the species present in the solution in the anode compartment? O Fe³+ (aq) & Fe²+…

A: Ag+ reduced to Ag  Fe 2+ is oxidised to Fe 3+ On the right side of the salt bridge is cathode where…

Q: is hydroboration and hydroboration oxidation the same thing

A: Comparison between Hydroboration reaction and hydroboration- oxidation reaction is given below.

Q: 15. NO, + I2 – I0, + NO, (Acidic Solution) 3

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Q: Balancing Redox  ClO2-  ClO2 + Cl- in acidic solution

A: The unbalanced redox reaction given is ClO2– → ClO2 + Cl–

Q: How many amperes are required to deposit 0.146 grams of chromium metal in 678 seconds, from a…

A: Given: mass of chromium metal = 0.146 g time = 678 seconds charge = 3 molar mass of Cr = 52 g/mol

Q: Which metal (iron, copper, nickel or cadmium) under standard conditions has greater ability to send…

A: The metal with highest oxidising potential has tendency to give ion in aqueous solution.  In the…

Q: Put

A: 1) ions  2) positive

Q: 1. Copper is found as the mineral covellite (CuS). The first step in extracting the copper is to…

A: THE HALF REACTION METHOD.                  OR THE ION – ELECTRON METHOD : In general, the…

Q: Determine the oxidation number of the Chromium (Cr) in an unknown salt if electrolysis of a molten…

A: Given data: m=14.55 gm , M=52 gm , i=15 A , t=3 hr = 3×3600 sec

Q: What happens to the mass of deposited Cu when the electrolysis time is increased?

A: Electrochemistry is the branch of chemistry that deals with the movement of the electrons. It is…

Q: Calculate the value of Eºcell for the following reaction: 2 Al(s) + 3 Co2+ (aq) 2 Al3+ (aq) + 3…

A: The E°cell can be calculated by using formula E°cell = E° cathode (reduction) - E° anode(reduction)

Q: Which metal could you use to reduce Mn* ions but not Mg* ions?

A: Strong oxidizing agent: Strong oxidizing agents are those substances which has a high positive…

Q: The standard reduction potential is determined in  microliters. (True/False)

A: The tendency of any chemical species to accept electrons from an electrode or give away to an…

Q: Which metal does not dissolve in HCI? Select one: a. Ni Ob.Ag c. Sn d. Mn

A: The given Metals react with HCl following way Ni(s) + 2 HCl(aq) -----&gt; NiCl2(aq)  + H2(g) Sn(s) +…

Q: How many amperes are required to deposit 0.219 grams of zinc metal in 710. seconds, from a solution…

A: According to the first law of Faraday, the mass of a metal deposited on the cathode during…

Q: corrosion rate

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Q: In Lab 10 (The Gram-Equivalent Mas of Copper), which reaction took place at the platinum anode? Pt2+…

A: In anode, loss of electron takes place. So, the reaction takes place at anode will be a loss of…

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: Which redox reaction is the correct reaction for the electrolysis of potassium iodide solution with…

A: When potassium iodide electrolysed, then it forms potassium ion and Iodide ion. These ions move…

Q: The following skeleton-reaction occurs in an acidic solution. Balance this skeleton reaction. Fe +…

A: The medium of reaction given is acidic. And the skeleton reaction is  Fe + MnO4- ------&gt; Fe3+ +…

Q: Write balanced redox equations in BOTH acidic and basic conditions using the halfreaction method for…

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Q: In the balanced redox reaction: 2 Cu(s) + S(s) > Cu 2S(s); how many electrons are gained or lost by…

A: How many electrons are gained or lost by each copper atom?

Q: Balance each redox reaction in acid solution using half reaction method PbO2 + I2 → Pb2+ + IO3

A: The given equation is:

Q: Rank the four metals (Cu, Zn, Pb, and Ag) in terms of ease of oxidation from easiest to hardest.

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Q: oxidation number of which metal in its compound is always positive? a  sodium b  Ni c  Iron d  Mn

A: