Steel wool scouring pads stored on the edge of a stainless steel sink corrode after one use. To prevent corrosion could you (a) use a pad of copper turnings, (b) replace sink with a more resistant metal, (c) heat the pad to dry it, (d) insulate pad from sink, or (e) galvanize the steel wool? Explain your answer in each case.

Q: Which of the following is not true in a galvanic cell? In a galvanic cell electrons flow…

A: Galvanic cell is type of electrochemical cell.  Transfer of electrons in the redox reaction is the…

Q: Indicate if each of the following statements is true of false. If false, rewrite it to make it a…

A:

Q: what are some ways of preventing corrosion of metals?

A: Some ways of preventing corrosion are given below:

Q: The purpose of a salt bridge in a galvanic cell is:   A. to allow electrons to move from one cell…

A: There are two types of cell-  1- electrolytic cell-  in this cell, electricity is used to carryout…

Q: If you have a zinc tank that you need to protect by using a sacrificial anode, what would you use…

A: A method of protection is to connect the metal to a more easily corroded metal as sacrificial anode.

Q: A voltaic cell was constructed using a zinc electrode (submerged in zinc sulfate), a copper…

A: Statement (d) is false as Cu will not released to copper sulfate solution.

Q: 1. What are the parts of a galvanic cell/Voltaic cell? 2. What is the function of each components ?

A: Galvanic cell converts chemical energy to elecrical energy. Electric work done by a galvanic cell is…

Q: Galvanic cells are portable and can be selfcontained. Thus, they can be used as fuel cells and…

A: A battery is a device which stores energy. When battery get discharge, it by convert chemical energy…

Q: Galvanised iron is iron or steel coated with zinc. From your observations, explain how galvanising…

A: Interpretation: 1. To explain how galvanized iron will reduce corrosion even if zinc surface coating…

Q: Aside from electroplating, what are other methods of preventing corrosion?

A: Corrosion is slowly eating down of metallic surface of the metal by environmental air and moisture,…

Q: Indicate whether each statement is true or false: (a) The anode is the electrode at which oxidation…

A: True Reason: In a voltaic cell, at the anode, there is the loss of electrons by the species present…

Q: Why do steel bridge-supports rust at the waterline but not above or below it?

A: A chemical reaction is the symbolic representation of the conversion of substances to new…

Q: Which of the following statements concerning corrosion is(are) true? For the false statements,…

A: Given: We have to determine which of the following statements are correct.

Q: Aluminum is a better (cathode or anode) than zinc

A: Since the reduction potential of Aluminium and zinc along with the reduction potentials are  Al3+ +…

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

A: Prevention of corrosion is an important way of conserving our natural resources of energy and…

Q: explain how corrosion occurs in iron, apply electrochemical principles.

A: A chemical reaction mechanism represents the way to form and break the chemical bonds between…

Q: Which of the following is false for sacrificial anodes? A: Magnesium anodes are preferred for highly…

A: Bbb

Q: Why an electrochemical cell stop working after some time? The reduction potential of an electrode…

A: Electrochemical cell is used for conversion of electrical energy into chemical energy.

Q: b.) Write the overall balanced redox reaction occurring in this voltaic cell. How many electrons are…

A: b) 6 electrons being transferred during electrochemical reaction.

Q: What happens to the electrons that are on the anode? on the cathode?

A: The reaction occurs at anode is oxidation where electrons are lost and  reaction occurs at cathode…

Q: What amount of Cu (in grams) is deposited at the cathode when a current intained for 15 minutes in a…

A: Faraday's second law of electrolysis explains that when a certain amount of charge is passed, the…

Q: Assign each description as applying to the cathode or the anode of a galvanic cell. Where reduction…

A: The galvanic cell is a type of electrochemical cell that generates electrical energy from a…

Q: A tin (Sn) component, cadmium (Cd) component, a pure aluminum (Al) component, and a copper (Cu)…

A: Corrosion may be described as the mechanism by which refined metals are converted into more stable…

Q: A copper concentration cell is to be converted to an electrolytic cell to perform copper plating.…

A: In electrolytic cell oxidation is take place at anod while reduction is take place at anode.

Q: sacrificial anode to prevent your large ocean-going ship (primarily built from iron) from rusting,…

A: Things made up of iron react with oxygen and water present in the air and forms a layer of oxides…

Q: Considering the voltaic cell, write the balance half equations for the reaction and hence balance…

A: In the above cell we can see that the anode chamber is Zn/Zn2+ half reaction and cathode chamber is…

Q: What happens to the electrons that are on the anode? on the cathode?…

A:

Q: Use a table of Standard Reduction Potentials to predict if a reaction will occur between Al metal…

A:

Q: Sketch a galvanic cell, and explain how it works. Explain what is occurring in each container.

A: Sketch of galvanic cell is given below:

Q: In a silver and copper galvanic cell, what is being reduced and what is being oxidized

A: Electrochemical cell is a cell in which indirect redox reaction takes place. In this cell at anode…

Q: What happens to the electrons that are on the anode? on the cathode?  2. What happens if you have…

A: There are two electrodes  of a voltage:  Cathode  Anode

Q: What is a fuel cell? What is the most common type of fuel cell and what reactions occur at its anode…

A: Through electrochemical reaction, the cell that converts the chemical reaction obtained from the…

Q: What is overvoltage in an electrochemical cell? Why is it important?

A: Overvoltage - Overvoltage is the concept of applying an additional voltage to a cell in order to…

Q: Why is corrosion only a problem for some metals (such as iron)?

A: When moisture present in air causes certain chemical reactions which tends to deteriorate a solid…

Q: find three cases where corrosion was the cause of some sort of failure or malfunction of a device or…

A: Corrosion is process, which involves the conversion of metal to most stable form of the compound…

Q: What is the mechanism by which the paint protects the surface of the iron from corrosion a) The ink…

A: option (d) is correct. The layer of paint prevents the water and oxygen necessary for rust formation…

Q: What is corrosion? Why is corrosion only a problem for some metals (such as iron)?

A: Corrosion is the gradual oxidation of metals that are exposed to the oxidizing agents in the…

Q: Cu2+ (NO3 CON (Cu2+ (NO3) (NO3 (NO3 Cu2+ (NO3 (Cu2+ (NO3 (NO3 Before Reaction After Cell Runs

A: During the reaction number of Copper ions in solution decrease because of reduction of Copper ions.

Q: We have discussed how in galvanic oxidation the contact of dissimilar metals initiates the loss of…

A: The process of "biometallic corrosion" is also referred to as "galvanic corrosion". It is process…

Q: Describe three ways to protect a metal from decay by corrosion.

A: corrosion is simply degradation of surface of metal due to its surrounded Atmosphere and Conditions…

Q: Why does aluminum (Al) metal not undergo corrosion like iron does?   A) Al does not easily react…

A: Aluminium does not undergoes rusting as iron because:

Q: Steel is often coated with a thin layer of zinc if it is to be used outside. What characteristics do…

A: Steel is an alloy of iron and carbon, so it is prone to rusting. Galvanizing is a process where iron…

Q: A student mistakenly puts the opposite reactants into a voltaic cell, then uses a voltmeter to…

A: The electrode which has less negative reduction potential will act as a cathode and will undergo…

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…