17 An electrolytic cell changes …………………. A. Electrical energy into heat energy   B. Chemical energy into electrical energy   C. Electrical energy into chemical energy   D. Chemical energy into heat energy

Q: a) An electrolyte is a substance that furnishes + . In the Electrolytic cell Anode is the and…

A: Answer: An electrolyte is a substance that furnishes ions. In the electrolytic cell anode is the…

Q: a) Explain the construction and working principle of polymer electrolyte membrane fuel cell b)…

A: Introduction- Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte…

Q: We know that rusting of iron is due to chemical reaction, How can you prevent this from happening?

A: Rusting of iron:  The rusting of iron is due to increase in the oxidation state of iron. Mainly Rust…

Q: What is an electronic current

A: The conventional current is flow of positive charge.

Q: Explain why your actual (measured) voltages may not compare with the theoretical values calculated…

A: Actual voltages are the voltages that are measured during the reaction. The theoretical voltages are…

Q: What current strength in ampere will be  required to liberate 10 g of chlorine from  sodium chloride…

A: To solve this question, use faraday's law of electrolysis which is given as follows:- m = I×tFMZ Use…

Q: What are the different methods of changing the electrochemical potential?

A: there is various methds of this. i can say the names,but if i try to explain each process this will…

Q: What is electrochemical cell?

A: The kind of cell which generates electrical energy from the chemical energy that is produced due to…

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: What is one of the advantages of a fuel cell? a. They are more efficient than combustion. b. all of…

A: Hydrogen fuel cells are efficient and cleaner source of energy in comparison to the combustion-based…

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: Compute for the oxidation number of the following elements. a. C2042 с. НСО:1 e. FeO42 b. B4072 d.…

A: Oxidation number :- Charge of a particular atom in a  compound or molecule is considered to be…

Q: Write a brief summary on "Green Inhibitors for corrosion of metals"

A: A brief summary on "Green Inhibitors for corrosion of metals", it is to be written. The corrosion is…

Q: What unit is used to measure the magnitude of electrical current? What unit is used to measure the…

A: The unit used to measure the magnitude of electrical current is Amperes.The unit used to measure the…

Q: For the first blank select an answer with a (1) in front. For the second blank, select an answer…

A: The solutions are given below -

Q: Fill in the blanks. Just write the question number (i), (ii), (iii..... in the answer box and give…

A: Given

Q: Types of corrosion are.

A: In this question we have to choose types of corrosion with explanation.

Q: An electrolytic cell is

A: Electrolytic cell - The cell in which electrical energy is converted into chemical energy is known…

Q: From the chemical reaction: Sn + Cu2+ ⇌ Sn2+ + Cu+ (in an acidic medium) a. establish the chemical…

A: The correct answer is given below

Q: why the bulb lighted when the two electrodes were in contact with each other

A: Electrodes: These are the electrical conductors made up of metal rods and these metal rods are…

Q: What unit is used to measure the magnitude of electrical current?

A: Rate of flow of charge is known as current.

Q: How many coulombs of charge pass through a cell if 1.7 amperes of current are passed through the…

A:

Q: Fill in the blank. Precipitation, volatilization, and particulation are all types of a.…

A: Gravimetric analysis is a technique in which the analyte ( component to be estimated )is first…

Q: In a voltaic cell, for a spontaneous reaction, the Gold (Au) must always be put at the

A: In a Voltaic cell, the most reactive metal undergoes oxidation at the anode to release electrons.…

Q: Electrochemistry has a number of different uses, particularly in industry. The principles of cells…

A: Given diagram:

Q: Calculate the value of Faraday number based on the data Provided  Data Provided Mass…

A: Given : Mass produced= 1.2806 g  Current= 1 amp Time= 58min36sec=3516 sec

Q: The gold plating of a ceramic figurine requires a total of 4.96 g of solid gold. If the current…

A: Given,  Mass of gold required, w = 4.96 g  Current passed, I = 11.8 A  Molar mass of gold = 197…

Q: The amount of substance formed or consumed at the electrodes is proportional to the quantity of…

A: Faraday's  law -  It states that the induced  voltage  in circuit is proportional to the rate of…

Q: Electroplating is an example of? Variable Electrolysis Uniform Electrolysis…

A: Answer Electroplating uses electrolysis to put a thin layer of a…

Q: In the expanded view of the center portion of the salt bridge shown in the diagram below, draw and…

A: Salt bridge connects oxidation half cell to reduction half cell and maintains electrical neutrality…

Q: What's Faraday's law of electrolysis?

A: Amount of substance deposited is directly proportional to the amount of electricity passed.

Q: (24) The gold-plating of a ceramic figurine requires a total of 2.78 g of solid gold. If the current…

A: Please find your solution below : Electroplating is a process that uses electric current and the…

Q: Define electrochemical series.

A: Electrochemical series :  Depending upon the redox potential , a series of reduction reactions are…

Q: If allowed to run undisturbed, how will the potential of a concentration cell change over time? It…

A: A concentration cell, is where the electrodes are of same material and the half-cells differ only in…

Q: Electrolysis is the process in which: A. Energy is produced B. Energy is consumed D. C. The reaction…

A: Electrolysis is a process in which electric current passed through the electrolytic Solution, this…

Q: b) determine the standard cell potential and if the cell is more or less spontaneous at the non…

A:

Q: Calculate the initial concentrations for the Fe3+ and SCN- for the data provided in the table

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: concepts and principles in Electrochemistry

A:

Q: what is electrochemistry??

A: The detailed solution is done below.  Electrochemistry is the branch of chemistry which deals with…

Q: To assay reducing agents using iodine, whst is the simple and most commonly employed method is by?

A:

Q: construct the table of aluminum electrode potentials as a function of the concentration of Al3 +…

A: Considering Al electrode to be an anode, the reaction taking place will be: Al(s)→Al3+(aq)+3e- The…

Q: Faraday's first law of electrolysis,

A: Faradays first electrolysis Law states that the quantity of reaction taking place in terms of mass…

Q: How does knowledge on spontaneous and nonspontaneous reactions, and electrochemistry benefit mankind…

A:

Q: How many coulombs of charge pass through a cell if 1.9 amperes of current are passed through the…

A: Given: Cell current, I = 1.9 A Time, t = 20 min= 20 x 60 = 1200 sec Because 1 min = 60 sec Charge,…

Q: complete: reference electrode is N O T ___   i . i n   c o n s t a n t   p o t e n t I a l ii. r…

A:

Q: Find the theoretical cell potential for each

A: Note: Since  you have posted question with multiple parts, we will solve only first part for you. To…