Choose any electrochemical technique and write the report

Q: In the process of electroplating, anions are reduced at the anode, and deposited on the cathode as a…

A: Given statement is in the process of electroplating, anions are reduced at the anode, and deposited…

Q: How would changing the reference electrode affect a Standard Reduction Potential?   there would be…

A: A reference electrode is an electrode which has a stable and well-known electrode potential the…

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

A: Given, Mass of chromium metal deposit = 29.1 g Current (I) = 15 amp Time (t) = 3 hour = 3 × 60 × 60…

Q: Using the half-reaction method, are the equations listed below the correct way to balance the…

A: Using the half-reaction method we have  to balance the given equation.

Q: The process of releasing metal atom from the cathode surface in hollow cathode lamp is called a.…

A: Hollow cathode lamp contain a cathode of the analyte element and an anode are filled with a noble…

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

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Q: Write a balanced equation for the half-reaction that takes place at the cathade. Write a balanced…

A: The expression of E0cell is shown below: E0cell = E0cathode – E0anode

Q: A concentration cell   requires concentrated acid to work   uses differences in concentration to…

A: A concentration cell is an electrolytic cell that is comprised of two half-cells with the same…

Q: 29. Electrochemical cells are armed with two electrodes, the cathode is where oxidation occurs and…

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Q: Which of the following methods will NOT prevent corrosion? a. By attaching a more reactive metal…

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Q: In a separate electroplating experiment, if a 5.00 A current was used to electroplate a penny for…

A: Given : Current used = 5.00 A And time of current flow = 5.00 min = 5 X 60 = 300 s…

Q: Draw the electrolytic cell diagram for each electrolyte solution given. Showing the migration of…

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Q: Galvanic cell studied component

A: The galvanic cell is an electrochemical cell that generates electrical energy y the use of chemical…

Q: 1. Is corrosion reversible? 2. Why do gold, platinum and other precious metals not corrode?

A: 1. Corrosion is defined as the spoilage of metals when they come in contact with air, moisture, or…

Q: Zinc is used as a “sacrificial” anode on hulls of salt water vessels made of iron. The effect is to…

A: In electro chemistry, the more positive standard reduction potential containing spices act as a…

Q: How many Faraday is needed to deposit 1.6 g of Calcium (Ca) from CaCl2 solution using electrolysis…

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Q: Consider the electrolysis of aqueous solutions below.  For each, show the species produced at the…

A: Electrolysis is defined as a process of decomposition of a substance in presence of electric current

Q: In order to make an electromagnet you need a: A) Dry cell batteries B) Thin coated copper wire C)…

A: Given options: A) Dry cell batteries B) Thin coated copper wire C) Iron nail D) All of the above

Q: МАТCH Cathode Anode Electrolytic cell Electrochemical cell Electrolytic cell Choose. Anode Choose.…

A: Dear student I have given answer to your question in the image format.

Q: Write a balanced equation for the half-reaction that takes place at the cathode. Write a balanced…

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Q: Dry corrosion is very common in metals. Stainless steel has very high resistance to the dry…

A: Corrosion is a process in which a metal changes to oxides,  hydroxide and sulphide when come in…

Q: Write a balanced half-reaction for the reduction of bismuth oxide ion BiO3- to bismuth ion Bi3+ in…

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Q: How many Faraday is needed to deposit 2.1 g of Calcium (Ca) from CaCl, solution using electrolysis…

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Q: Costume jewelry is a decorative item made up of inexpensive metal and it is electroplated with a…

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Q: Nova was passed on a silver locket from her grandmother. The locket had a lot of chip marks upon…

A: The question is based on the concept of electrochemistry.   the electrode which has higher reduction…

Q: Electroplating is used for the following reason . A.) Covering the expensive metal with cheap metal…

A: Electroplating is a process in which  one thin and flate metallic layer is coated on metallic layer…

Q: 25. A concentration cell   requires concentrated acid to work   uses differences in concentration…

A: A concentration cell is an electrolytic cell that is comprised of two half-cells with the same…

Q: Select the FALSE proposition: (a) An electrode is any piece of a metallic chemical element that is…

A: We can convert electrical energy to chemical energy and chemical energy to electrical energy with…

Q: Which will corrode more quickly, a piece of scratched galvanized iron (Fe coated with Zn) or a piece…

A: The reduction is a process in which compounds accept electrons, and oxidation is when electrons are…

Q: Draw the electrolytic cell diagram for each electrolyte solution given. Showing the migration of…

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

Q: A standard galvanic cell is constructed with Cr3+ | Cr2+ and Mg2+ | Mg half cell compartments…

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Q: Put

A: 1) ions  2) positive

Q: How many Faraday is needed to deposit 1.5 g of Calcium (Ca) from CaCl2 solution using electrolysis…

A: Recall the data, Mass of Ca=1.5 g molar mass of Ca=40 g mol-1 number of Faraday=?

Q: overall reaction in an electrochemical cell i

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Q: Setting of Plaster of Paris takes place due to(a) Solder(b) Bronze(c) Brass(d) Bell metal

A: Plaster of Paris has a little amount of solder, which helps it to settle.

Q: Sketch a cell that forms iron metal from iron(II) while changing chromium metal to chromium(III).…

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Q: Balance the following redox equations using the half-reaction method

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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 the Copper Electrolysis cell?

A: Electrolytic cells are use electricity to decompose chemical substances.

Q: When water was electrolyzed for 18.4 min; 25 mL of oxygen was collected at the anode at 22°C the…

A: To determine the number of moles of hydrogen gas, we use ideal gas equation, which is: PV=nRT…

Q: Draw the electrolytic cell diagram for each electrolyte solution given. Showing the migration of…

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

Q: chemical process

A: In electrochemistry, the anode is where oxidation occurs and is the positive polarity contact in an…

Q: 22) In the process of electroplating, anions are reduced at the anode, and deposited on the cathode…

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Q: What is a concentration electrochemical cell?

A: Concentration electrochemical cell:In concentration electrochemical cell, two half cells with same…

Q: Write the half-reaction that occurs at the anode during the electrolysis of NaCl. Include physical…

A: Given,  Electrolysis of NaCl

Q: Calculate AE° cell

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Q: True or False. Write true if the statement is correct and if false, underline the wrong word or…

A: The answer is as follows: