Galvanized iron is steel sheet that has been coated with zinc,tin cans are made of steel sheet coated with tin . Discuss the function of these coating and the electrochemistry of  the corrosion reaction that occurs if an electrolyte contacts  the scratched surface of a galvanized iron sheet or a tin can

Q: A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0M chromium(III) ion…

A: To calculate Standard potential , we use formula : E°cell =  E°r ( cathode ) - E°r (anode )

Q: A constant current of 1.6 A is used to precipitate copper at the cathode and oxygen at the anode of…

A: value of constant current = 1.6 A Time = 30.4 minutes cathode - copper Anode - oxygen

Q: Based on standard reduction potentials, would you expect copper metal to oxidize under standard…

A: The value of E˚cell is calculated as shown below: Here, E cell is the standard potential of the…

Q: In a copper plating experiment in which copper metal is deposited from a copper(II) ion solution,…

A:

Q: Half cell potential is a characteristic potential difference established by the electrode and its…

A: A question based on electrochemical cells that is to be accomplished.

Q: An experiment was done to observe which factors promote the corrosion of iron. Which of the…

A: Zn bein more reactive than iron would act as sacrifacial protection layer and would slow down tha…

Q: explain why a galvanic cell can only work when the electrolyte solution remains electrically…

A: Galvanic cells also known as voltaic cells, are electrochemical cells in which spontaneous…

Q: A galvanic (voltaic) cell consists of an electrode composed of chromium in 1.0 M chromium (III) ion…

A:

Q: The mass of three different metal electrodes, each from a different galvanic cell, were determined…

A: The active electrode which is found to lose mass during redox reaction in a cell is termed as anode…

Q: Iron or steel is often covered by a thin layer of a second metal to prevent rusting: Tin cans…

A: The process of covering iron with zinc is called galvanization. The galvanized iron materials…

Q: What is galvanization? How doesgalvanizing iron protect it from corrosion?

A: Corrosion is a natural process that deteriorate the quality of metal by forming an oxide layer over…

Q: Write in detail about the use of zinc as a “sacrificial anode” to minimise the corrosion of iron and…

A: Given :  zinc metal  To find : How zinc metal is used as sacrifical anode.  Solution : As we know…

Q: In a copper plating experiment in which copper metal is deposited from a copper(II) ion solution,…

A:

Q: A galvanic (voltaic) cell consists of an inert platinum electrode in a solution containing 1.0 M…

A: We will calculate the standard reduction potential at 25 degree centigrade.

Q: What flows in the internal circuit of a galvanic cell.

A:

Q: If a salt bridge contains KNO3 as its electrolyte, which ions diffuse into solution in the anode…

A: A galvanic cell is an electrochemical cell that is used to supply electric current through the redox…

Q: The rusting of the sheet metal of a car is an example of:   uniform corrosion   galvanic corrosion…

A: Corrosion  means  oxidation of metal in presence  of moisture.

Q: Galvanized iron is steel sheet that has been coated with zinc; “tin” cans are made of steel sheet…

A: To discuss: The functions of coating? Electrochemistry of corrosion reactions?

Q: A galvanic (voltaic) cell consists of an electrode composed of chromium in a 1.0 Mchromium(III) ion…

A: Here we are required to find the standard cell potential of the given electrochemical reaction

Q: Does a large positive electrode potential indicate a strong oxidizing agent or a strong reducing…

A: The tendency of a chemical substance associated with the half cell to get reduced is defined by the…

Q: A student was asked to set-up a galvanic cell in the laboratory. He used two copper electrodes, one…

A:

Q: In a galvanic cell, one half-cell consists of gaseous chlorine bubbled over a platinum electrode at…

A: (a) Write balanced equations for the half-reactions at the anode and the cathode. The cathode half…

Q: Based on the standard reduction potentials in Table 2, which of the following metals could provide…

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

Q: In a Galvanic cell, a salt bridge is often used. Explain why this is necessary. Describe the…

A: In a Galvanic cell, a salt bridge is often used to maintains electrical neutrality within the…

Q: An electrolytic cell for depositing copper from copper sulfate solutions is placed in series with…

A: We use the formula below to find the weight of a metal(W) deposited in an electrode during…

Q: The Nickel-Cadmium battery cell has a standard potential of 1.2 V. What is the standard free energy…

A: The relation between Gibbs free energy change and emf of cell is given by,  ∆G = -n F Ecell Ecell is…

Q: Salt bridge A concentration cell similar to the one shown is composed of two Sn electrodes and…

A: Reaction would proceed spontaneously if Ecell is positive

Q: How does Galvanisation check rusting of iron?

A: Rusting of iron means formation of a layer of iron oxides on the surface of iron objects. This…

Q: standard potential

A:

Q: Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving…

A: The galvanic cell involves the conversion of the energy associated with the redox chemical reaction…

Q: Questions attached

A: Note: Since we solve one question at a time, we’ll answer the first question as the exact one wasn’t…

Q: How is the cell potential of an electrochemical cell related to the potentials of the half-cells?

A: An electrochemical cell or a galvanic cell is a device that can generate electricity due to the…

Q: reaction of this electrochemical cell at 25 C

A: From the given information,  Net Spontaneous cell reaction , Mg(s) + 2Ag+(aq.) -----> 2Ag(s) +…

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

A: For the reaction to occur , or cell will form then standard cell potential for the reaction should…

Q: A galvanic cell with a measured standard cell potential of 0.27 V is constructed using two beakers…

A: The given cell potential Ecell∘ = 0.27 V Ecell∘ = Ecathode∘ - Eanode∘Ecell∘ = Ereduction∘ -…

Q: Draw a galvanic cell consisting of a chromium and cobalt electrode and calculate the standard cell…

A:

Q: For each set of half reactions, write the overall balanced equation for the reaction and calculate…

A: The question is based on the concept of electrochemistry. we have to write the net ionic  equation…

Q: Will the potential of the galvanic cell change if we add the same amount of water to the electrolyte…

A: Cell potential is given by Nernst equation , which is as: Ecell = Eocell - RTnFlnQ  Cell potential…

Q: A Galvanic cell is consisting of standard concentrations: Cu|Cu2+||Ag+ |Ag, is connected to a small…

A: From the Galvanic cell diagram, the Copper metal is being oxidised to Cu2+ ion Hence the oxidation…

Q: If a solution of CuCl2 is electrolyzed, what reaction will occur at the anode when the minimum…

A: In the electrolysis process, the cations move towards the cathode and the anions move towards the…

Q: Silver-Copper Sulver-Zinc Copper-Zinc Of all the possible components listed above, which is the…

A: After observing the electrochemical series the couple which have least value of  reduction potential…

Q: WHAT ARE THE EFFECTS OF EXTERNAL FACTORS ON CORROSION?

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A galvanic (voltaic) cell consists of an electrode composed of nickel in a 1.0 M nickel(II) ion…

A: Standard potential for this cell, E°cell = E°cathode-E°anode  Now, E°(Ag+/Ag) = 0.80 V   E°(Ni2+/Ni)…

Q: Define electrode reactions during electrolysis and identify which of the part/structure are the half…

A: Electrode reactions: The oxidation or reduction reactions that are taking place at respective…

Q: Determine the overall reaction and its standard cell potential at 25 °C for the reaction involving…

A: Aluminum nitrate = Al(NO3)3

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

A:

Q: When a ruthenium chloride solution was electrolyzed for 500. s with a 120 mA current, 31.0 mg of…

A: According to Faraday first law , in electrolysis process weight of deposition of substance is…