Explain electrochemical fundamentals, and describe the general working principles for designing electrochemical based biosensors

Q: How many moles of oxygen, O2, will be produced by the electrolysis of water with a current of 1.5…

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Q: The standard potential of a redox couple is a measure of the thermodynamic tendency of an atom, ion,…

A: Standard potential indicates the capacity/tendency of an aromatic hydrocarbon to accept an electron…

Q: during the electrolysis of aqueous solution of LiNO3, what is the reaction of the environment that…

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Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

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Q: Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a…

A: Current passed = 40 amp Mass of Copper to be deposited = 18.5 g Number of moles of Cu deposited =…

Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

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Q: 3. What is an electrochemical couple? What is the difference between a homogeneous electrochemical…

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Q: How many hours does it take to form 15.0 L of O, measured at 750 torr and 30°C from water by passing…

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Q: The standard addition method is used to determine the concentration of vitamin C in apple juice by…

A: Given : Initial volume of sample of apple juice = 2.00 mL Final diluted volume of apple juice = 25.0…

Q: Analytical Chemistry II Why is carbon used as an electrode in arc and spark sources? Explain…

A: When a high voltage is applied to the material which is electrically insulating, it allows the flow…

Q: 1. Discuss the following roles in the liquid-liquid extraction of dyes.  a. Vinegar b. Baking soda

A: Components are partitioned between an aqueous layer and the organic layer in the liquid-liquid…

Q: The following are the advantages of the dropping mercury electrode except...     It has a wide…

A: Dropping mercury electrode is made from mercury. It is used in polarography.

Q: Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a…

A: Answer :- 337.7 h The time take to plate 14.0 kg of Cu onto the cathode when 35.0 A current passed…

Q: How many moles of oxygen, O 2, will be produced by the electrolysis of water with a current of 1.5…

A:

Q: Molten RbCl can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

A: we know the expression for the  faraday's law of electrolysis => m/E = It / F Where,  I is the…

Q: ) i)  options:  dehydrating agent                       steel production…

A: Answer to question 2 as asked, is being given:

Q: Read the following sentences carefully and briefly justify the answer: (i) Salt bridge is an…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: 7. Determining volume of a gas by electrolysis. What volume of chlorine gas at standard temperature…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following statements is true about a potentiostat ?     It applies a potential to the…

A: a potentiostat is a device that measures the potential difference between the working electrode and…

Q: A. If the measured cell potential is 1.800V, what is the concentration of Au3+? B. How long will it…

A: Here we have to determine the concentration of Au+3 of the galvanic cell and mass of gold…

Q: Stacy has class is from 10:30 am-1:20 pm, in which she performed an electrolysis experiment with…

A: This can be proved according to the Faraday's first law of electrolysis. It states that, Mass of the…

Q: Explain a brief description of electrochemistry and give information about its importance.

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Q: The Nernst-Planck equation (shown below) describes the motion of a charged chemical species in a…

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Q: Molten RbCI can be electrolyzed to form metallic Rb. For what duration should an electrolysis be…

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Q: Purification of nickel can be achieved by electrorefining nickel from an impure nickel anode onto a…

A: Electrorefining is a process in which materials, usually metals, are purified by means of an…

Q: The electrolysis of magnesium chloride can be used to produce elemental magnesium. MgCl2(1) → Mg(1)…

A: Current Strength = 4.50 A time = 7 min = 7 × 60 sec                               (As, 1 min = 60…

Q: why is it important to study the migration of ions independently when performing electrochemical…

A: The electrochemical calculation involves determination of molar conductance of solution. The…

Q: Why is it that from nails and bolts to bridges, to roofing and framing components, countless items…

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Q: Determining volume of a gas by electrolysis. What volume of chlorine gas at standard temperature and…

A: It is given that MgCl2 is electrolysed and a current of 12.4 A is passed for 1h.

Q: What is the concept, principles, chemical reactions involved, and diagrams of processes, and other…

A: Principle of Electrochemistry:- During operation of electrochemical cells, chemical energy is…

Q: How many hours does it take to form 15.0 L of O, measured at 750 torr and 30°C from water by passing…

A: For this problem we can incorporate Faraday's Laws of Electrolysis with the Ideal Gas Law to have…

Q: 4.) What mass of silver can be plated onto an object in 45 minutes at 9.0 A of current?

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Q: Read the following sentences carefully and briefly justify the answer: (i) Combustion of Benzene…

A: Incomplete combustion result in production of sooty flame. In an open system, matter is allowed to…

Q: The electrolysis of BIO+ produces pure bismuth. How long would it take to produce 10.5 g Bi by the…

A: The solution is as follows :

Q: Aluminium metal can be made from aluminium ians by electrolysis. What mass of aluminium metal would…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: One electrochemical technique involves first depositing an analyte on the surface of an electrode,…

A: The mentioned technique is commonly used for the quantification of trace metal.

Q: The oxidation of peroxodisulfate ion: S2O82–(aq) + 2I–(aq) à 2SO42–(aq) + I2(aq) Which of the…

A: Introduction Addition of iodine into a given molecule is characterized as iodination reaction. Hans…

Q: 60 50 $40 30 20 10 Course of Reaction Calculate the AH of the reaction. Potential Energy (kJ)

A: The ∆H of the reaction has to be calculated. The ∆H of the products is 15 kJ. The ∆H of the…

Q: In an electrolysis of copper sulphate between copper electrodes the total mass of copper deposited…

A: The solution is given below -

Q: Electrochemical Equilibria: Electrolytic Deposition Olympic gold medals are plated with gold rather…

A: Given current= 50 A Gold / medal = 6g  Total gold required to be deposited= 6x 340 g = 2040 g

Q: ELECTROCHEMISTRY: Given the line notation: Pt|Xa), X7+ (ag) Where: x2+ + e → X+ y3+ + 3e → Y Pt++ +…

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Q: The basic setups for electrochemical measurement include all of the following, EXCEPT: Group of…

A: ✓When electrochemical cell is dead or at equilibrium then it is in non-functional condition,So…

Q: Given the following electrode reactions: 2+ Co +e Co“ E'=1,92 V 3+ Co(NH,) , +e Co(NH,), E-0,06 a.…

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Q: How many hours does it take to form 15.0 L of O, measured at 750 torr and 30°C from water 2 by…

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Q: 2 In an electrolysis of copper sulphate between copper electrodes the total mass of copper deposited…

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Q: - A student wanted to plate a silver ring with a layer of gold, He passed an electric current of 10…

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Q: How many moles of electrons are produced from a current of 17.0 A in 3.40 hours?

A: Given;

Q: A torch bulb glows with a current of 2.25 A for 24 minutes, what is the charge flowing through it?

A: We have given that Current (I) = 2.25 A t = 24 min = 24×60 = 1440 s Q = ?

Q: The standard potentials for the reduction of nicotinamide adenine dinucleotide (NAD+) and…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…