1. Describe the movement of electrons that occur in the Volta cell to produce electrical energy 2. Describe the movement of electrons that occurs in electrolysis cells to produce chemical energy 3. Write down Faraday's law and write down the formula

Q: Where do you expect to find elements that are good oxidizing agents on the periodic table?

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Q: EXPLAIN OXIDISING AND REDUCING AGENTS

A: Oxidizing agent : Species in the redox reaction which itself is undergoing reduction. Oxidation…

Q: 12. Compare and contrast an electrolytic cell with a voltaic cell. Provide one example where both…

A: Question 12) Electrolytic Cell = An electrochemical cell in which non-chemical reactions occur when…

Q: Identify two metals that do not corrode easily in the presence of oxygen and water. Explain why they…

A: To identify: Two metals that do not corrode easily in the presence of oxygen and water.

Q: Consider the following reaction:  Ba(s) + F2(g) -------> BaF2.  Which of the following statements…

A: First of all, we will assign oxidation number to each element in the reaction. Further, the species…

Q: Separate the following redox reactions into their half-reactions, and classify those half-reactions…

A: Oxidation is the loss of electrons. Reduction is the gain of electrons.   Oxidation state of pure…

Q: (ii) Explain one reason for using aluminium in making electrical cables and drink cans respectively.…

A: (ii) Aluminium is used for making electrical cables, drink cans and aircraft bodies.

Q: 4F" + 2NO2¯+ 3H20→N20 + 2F2+ 60H¯ 2B + 3NO3¯+ H20+ 20H"- →2H2BO3¯ + 3NC In the above reaction, the…

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Q: A good method of preparing pure oxygen on a small scale is the decomposition of KMnO4 in a vacuum…

A: Given equation is, Potassium is an alkali metal, so, potassium is assigned the oxidation number +1.…

Q: Water can decompose into H2 and O2 via electrolysis. How many moles of H2 could theoretically be…

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Q: Based on our lecture. order the steps to balance a half reaction under acidic conditions. Balance…

A: In acidic medium, the overall equation should includes hydrogen ion that is H+ ion.  Steps of…

Q: . Is it possible to have a reaction in which oxidation occurs and the reduction does not? Explain.

A: 1.  Oxidation involves lose of electrons and reduction involves gain of electrons.

Q: How do I find oxidation numbers? For example: find the oxidation numbers of KMnO4

A: To find out the oxidation number ,we should follow a set of rules Example:  1) In elementary state…

Q: 8. The diagram shows the apparatus used in an experiment to electrolyse concentrated aqueous sodium…

A: Dear student, we are authorised to solve only first three subparts of a question. Please post rest…

Q: you add all the oxidation numbers in a polyatomic ion, what should the sum be? A The sum should…

A: lets solve this problem by taking an example of SO42-

Q: What would happen if the electrodes were not placed properly in Electrochemical experiment? Explain…

A: 1. Answer - Electrodes are vital components of electrochemical cells. They transport produced…

Q: Define the term oxidation and reduction. Why must these processes take place together?

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Q: I would appreciate if someone can explain step by step how to find the oxidation number for those…

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Q: What is electrolysis? What chemicals and processes are involved? Why is electrolysis important to…

A: Answer - Electrolysis - Electrolysis is the process by which electric current is passed through a…

Q: Pb + SO42-+ 4H+Pb2+ + SO2+ 2H2O In the above reaction, the oxidation state of sulfur changes from…

A: The reactions in which the exchange of electrons takes place between the chemical species are known…

Q: 14. The picture provided shows a setup for an electrolysis experiment. In this experiment, an…

A: An electrolytic cell runs a non-spontaneous reaction. The setup contains a positively charged anode…

Q: 14. Based on oxidation number consideration, explain why carbon monoxide is flammable but carbon…

A: A compounds flammability is determined by its capacity to undergo combustion.Combustion is burning…

Q: A reaction where both loss and gain of electrons take place at the same time is known as reduction…

A: The answer to the following question is-

Q: What is oxidation potential?

A: Oxidation is the loss of electron from an atom or molecule and it results in positive charge on that…

Q: The oxidation number of S is S2O62- is __. a) +4 b) +5 c) +3 d) +6

A: In S2O62- two oxygen atom are bonded with one sulphur by double bond and one oxygen by single bond .…

Q: Why must electrolysis reactions occur at the electrodes in order for electrolytic conduction to…

A: Given,  Why must electrolysis reactions occur at the electrodes in order for electrolytic conduction…

Q: Complete and balance the chemical reaction using method of half-reactions. Write your answer in your…

A: The given reaction is - Als   +     NO2-aq     ⇔      AlOH4-aq   +     NH3aq Oxidation is the loss…

Q: How is the number of moles of deposited copper related to the number of moles of dissolved copper?…

A: A question about electrochemistry, which is to be accomplished.

Q: The electrode potential of a metal is: a) The potential which exists at the interface between the…

A: Whenever any metal rod is dipped into solution of its ions then depending upon the magnitude of two…

Q: Question attached

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

Q: Assign the following elements oxidation numbers based on common trends in the periodic table. In…

A: Since we know that Oxidation number, also called oxidation state, the total number of electrons that…

Q: Real life examples of redox reaction

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Q: Identify a true statement about a redox reaction.   It involves a transfer of protons from one…

A: A redox reaction involves the oxidation, as well as reduction reaction. These types of reactions…

Q: According to Faraday's first law of electrolysis, the amount of any substance deposited at the…

A: Faraday First law  In a electrolysis process  the amount of substance deposited at the electrode is…

Q: What element always has an oxidation number of -1?

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Q: Which of the following statements about what occurs during the electrolysis of molten NaCl is false?…

A: In a galvanic cell, electrons flow from anode Negative electrode to cathode Positive electrode…

Q: 1. Use the standard electrochemical series given in your e-text to identify whether the following…

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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: Anode (+) Cathode (-) A B. The image above shows and electrolysis apparatus similar to one you used…

A: To give all of your answers above, let's see first concept of electrolysis. It the process in which…

Q: Determine whether each statement is true or false: a. Chemical species can have their oxidation…

A: a) Since at cathode, reduction reactions takes place. And reduction reactions involve gain of…

Q: Strips of copper foil and magnesium ribbon were cleaned with sandpaper and then connected as shown…

A: Electrochemical cell or galvanic cell: A cell in which chemical energy produced from the chemical…

Q: Give example of any compound in which oxidation number of oxygen is -1/2 .

A: In the presence of sufficient oxygen metals produce the compound whose formationgives out most…