Make gold anode and aluminu

Q: A sample of steel weighing 0.1798 g was dissolved and the manganese present was converted to MnO4–…

A:

Q: 1.Silver is sometimes found in nature as large nuggets; more often it is found mixed with other…

A:

Q: Explain how can we prevent the surface oxidation of copper without excessive coating?

A: When metals are placed in open area their surface get oxidized. This reduces the life of metals. To…

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

A:

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

A: An electrochemical cell possesses cathode and anode. A cathode is a metal electrode which is…

Q: Chemical reactions happen inside batteries. O True O False

A: There are chemical reactions inside the batteries.

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: Q3/ A manganese content tested by converting (Mn to Mn,Oa) and weighting it. If the sample with mass…

A: Given: Mass of Mn sample = 0.76 g And mass of Mn3O4 formed = 0.063 g

Q: The oxidation number of iron in Fe2O3 is ________. Select one: a. -3 b. +1 c. -2 d. +3 e. +2

A: Oxidation state or oxidation number refers to the number assigned to the atom of a chemical compound…

Q: Metals cannot be deposited using the anode deposition method.

A:

Q: 32. What is the mass of copper used if it was oxidized to copper(II) over 35s, given the average…

A:

Q: To prevent rust of the hull of seagoing ships, blocks of Zinc are attached to the hull underwater.…

A:

Q: Assuming an efficiency of 28.00%, calculate the actual yield of magnesium nitrate formed from 126.1…

A: Given :-  Mg + Cu(NO3)2 → Mg(NO3)2 + Cu  amount of Mg = 126.1 g  efficiency = 28.00%  To calculate…

Q: Which one of the following, when added to a piece of Cu(s) in solution, is capable of oxidizing…

A: The reactivity series is of metal is: The metals at the top of the series are powerful reducing…

Q: Oxidation process can happen between metal and organic solvent. O True O False *

A: Here we have to predict the true and falseness of the following given statement.

Q: How transition metals work in lithium ion batteries

A: Lithium ion batteries , generally represented as Li-ion batteries, are used in electric vehicles and…

Q: 8. What are the original and final oxidation numbers for iron in the smelting of iron from iron…

A: Oxidation numbers of oxygen is -2

Q: The following materials were used to make fake gold coins (see attached image). What was used in…

A: Electroplating is the process of coating a metal on another metal. Electroplating has a variety of…

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: D) For each of the following reactions indicate: a) what has been oxidized b) what has been reduced…

A:

Q: Assign an oxidation state to each atom in each poly atomic ion. a) CrO42- b) Cr2O7 2- c) PO4 3- d)…

A:

Q: sample of steel weighing 0.1708 g was dissolved and the manganese present was converted to MnO4–…

A: Mass of steel sample = 0.1708 g  Mn .....> MnO4- (Converted from steel)  Total volume of MnO4-…

Q: What is the process of Electrorefining and the process of Electroplating

A: The process of electrolysis is used to reduce the metals from minerals. The process is known as…

Q: e age of

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Assuming an efficiency of 29.00%, calculate the actual yield of magnesium nitrate formed from 124.3…

A: First, calculate the no of moles of Mg Moles of Mg= 124.3g/(24gmol-1) = 5.18 moles

Q: During smelting, an additional substance is added which combines with impurities to form a fusible…

A: Smelting is a process used to extract a base metal by applying heat to the ore.

Q: Chapter 20 Multiple Choice Question 59 Part A What mass of aluminum can be plated onto an object in…

A: According to Faraday's first law of electrolysis the mass of metal deposited is calculated as…

Q: Which of the following reactions could be used to electroplate nickel with gold? O A) Zn(s) +…

A: Electroplating is a process by which metal ions migrate via a solution from a positive electrode to…

Q: The propellent used to help launch the space shuttle in the solid-fuel boosters attached to the…

A: If there is an increase in the oxidation number of an atom in a reaction, then that reaction is…

Q: Assuming an efficiency of 44.10%, calculate the actual yield of magnesium nitrate formed from 141.6…

A: Given reaction: Mg + Cu(NO3)2  -----> Mg(NO3)2 + Cu mass of magnesium given =141.6g molar mass of…

Q: Which of the following materials would, when used as a coating, protect copper from corrosion even…

A: The cell that utilizes the chemical energy to produce electrical energy is termed as the…

Q: What is the function of the salt bridge? Wire Wire Voltmeter Salt Zn(s)- Ni(s) bridge Zn² NI (aq)…

A:

Q: How much time (in minutes) would it take for 3.5 grams of copper to be plated, if the current is 4.7…

A: The moles of copper to be plated can be calculated as

Q: the half reaction method can be used to simplify equations.   true or false

A: False, the half reaction method is not used to simplify chemical equations. Half reaction method or…

Q: 6. Iron coated with zinc to prevent corrosion is known as iron. a) protected b) cathode iron cast d)…

A: Corrosion is the degradation of a metal when it undergoes a chemical reaction.

Q: You and your team work at a scientific research facility that is working towards creating the newest…

A: The electronic configurations of Li and Be are: Li = 1s2 2s1 Be = 1s2 2s2

Q: Iron rusting is an example of a

A: When moisture or air comes in contact with iron, rusting happens. The oxygen present in the air…

Q: Name the method used for refining of copper metal.

A: Refining refers to metallurgical process that aims at purifying the metal obtaining pure metal from…

Q: An external water pipe is built of aluminum (Al). In order to prevent corrosion, the nails that hold…

A: In order to prevent corrosion of aluminium metal pipe, the nails must be made of metal with more…

Q: Cr2072- + 6S203²- + 14H* → 2Cr3+ + 3S406²- + 7H20 What is the reducing agent here?

A: Those chemical species that lose their electrons during the reaction to reduce other atoms are known…

Q: veakest reducing agent.

A:

Q: how to remove iron from a solution?

A: Iron is generally found in solution as a complex form. So the removal of iron mostly includes a…

Q: Create a hypothesis and problem statement for a PLANNING AND DESIGN a LAB test to find the…

A: Corrosion: Gradual deterioration of the metal due to the impact of environment(chemical reaction of…

Q: 22. Which solution allows the electrolytic cell to perform the silver plating? A. Nickel nitrate B.…

A: The Process of depositing one metal over another in the presence of a metal is known as…

Q: For #2 can you please show me all answers for all the parts of the question and explanation

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…