ion Fe + 3e → Fe, how many grams of Fe will result if you apply a current seconds?

Q: - Part A What is the initial voltage of the battery? Express your answer using two decimal places.…

A:

Q: experiment, use the experimental standard cell potential, the experimental nonstandard cell…

A: Given E°cell = 1.10 V Ecell = 1.08 V [Zn2+] = 0.10 M n = number of electrons transferred =2 Net cell…

Q: Solving time of electrolytic process. How long will it take for 1.25 L of a 1.0 M CuSO4 solution…

A: Given data contains, Volume of CuSO4 is 1.25L. Molarity of CuSO4 is 1.0M. Current passed is 3A.…

Q: An electroplating is conducted at a current of 10.0 A. If the surface to be electroplated with gold…

A:

Q: 3. A pH electrode system is calibrated with standard buffer solutions, with the following voltages…

A: Solution- Data Given- pH 4.01=111 mV, pH= 7.00 = -55 mV, pH 10.01= -215 mV.

Q: Calcium in a 100.0 mL sample of fuit juice was analyzed by an electrochemical method that gave a…

A: Any particular substance/compound's quantity either in moles or in mass existing into solution's…

Q: Determine the molar mass (amu) of Metal (M) if it took 2.35 minutes for a current of 1.06 A to plate…

A:

Q: What do counter-current and co-current extraction columns mean? Explain

A: 1) counter current extraction-   Counter current flow means both liquids move in opposite direction…

Q: na cV experiment, what happens after linearly ramping to the 'switching" potential? O The potential…

A: A Cyclic Voltammetry (CV) experiment involves the scan of a range of potential voltages while…

Q: Q4. Coulometry requires 100% current efficiency. What does this mean? a. Capacitive current b.…

A: Coulometry is the quantitative determination of any substance that can be made to undergo an…

Q: What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt…

A:

Q: Calculate potentials after the addition of a) 25.00 mL; b) Veq c) 50.00 mL of 0.0800 M Sn4+ to…

A: Reaction between Sn4+ and V2+ is as follows: Sn4+ + 2 V2+ -------> Sn2+ + 2 V3+

Q: Gold can be plated out one atom in thickness and look like solid gold. If a necklace has a surface…

A: The oxidation state of gold in the solution given is +3 i.e Au3+. Hence the solution will have Au3+…

Q: Solving time of the electrolytic process. How long will it take for 1.25 L of a 1.0 M CuSO4 solution…

A: It is given that 1.25 L of a 1.0 M solution of CuSO4 is electrolysed under a current of 3.4 A to…

Q: Q2: Calculate the potentials of the following cells (a) Pb|Pb2+ (0.1393 M)||Cd²+(0.0511)|Cd (b)…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: How does changing the concentration effect the cathodic and anodic peak currents and peak potential…

A: Cyclic Voltammetry (CV) is an electrochemical technique which measures the current that develops in…

Q: In a voltammetric analysis of an analyte the output plot is:     Current-potential curve…

A: Voltammetric analysis measures the variation of current with potential.

Q: H Sjol R-N Draw electron-pushing arrows.

A:

Q: What should we pay attention to when choosing a sensor? What are the advantages of electrochemical…

A: A sensor is a device ,module ,mechine Whose purpose is to detect any change in its  environment and…

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: grams

A:

Q: The data below were collected using a pH electrode and a set of pH standards. What is the pH of an…

A: Given that, the potential reading is 200 mV. So, the cell potential is Ecell = 200 mV = 200×10-3 V =…

Q: ELECTROCHEMISTRY: Copper was electroplated from a CuzSOA solution onto an electrode with an active…

A: Copper will deposit according to the equation Cu2++2e-= Cu  We can conude from here that we will…

Q: Gold can be plated out one atom in thickness and look like solid gold. If a ring has a surface area…

A: The oxidation state of gold in the solution given is +3 i.e Au3+. Hence the solution will have Au3+…

Q: Give three reasons why the measured voltages in lab may differ from the theoretical voltage.

A: 1).Electrode have layer of metal oxides on the surface.If electrode are not cleaned well then we can…

Q: Find the cell voltage for 0.1 and 30.0 mL of titrant.

A:

Q: Equal charges of 3x10-9 C are situated at the three corners of a square of side 5.20 m. Find the…

A: given, equal charges (q) = 3×10-9C  square of side (a) = 5.20 m

Q: Expiramental cell potential: 1.093V

A:

Q: 12) A container made of steel, having base dimensions of 100 x 150 mm and a wall thiickness of 10…

A: According to guidelines i can answer only first question  Given Current = 0.15 Amp Area = 100*150

Q: A tub of water containing Cu²⁺(aq) is subjected to a current of 0.3 amperes for 30 minutes. How many…

A: Faraday's law of electrolysis states that the mass of metal produced or deposited at electrode is…

Q: 10. The pH response pf glass electrode is limited entirely to the area of special glass membrane…

A: True

Q: How many grams of copper will be plated out by a current of 2.3 A applied for 35 minutes to a…

A:

Q: Ascorbic acid (vitamin C) in a 50.0-mL sample of orange juice was analyzed by an electrochemical…

A: Given: Initial Volume of juice(ascorbic acid) Vi = 50 mL Volume of Standard ascorbic acid solution…

Q: e current in am

A:

Q: When a current of 0.4 A flows for 1.5 micro-seconds in a coper wire, estimate the number of…

A: Calculate the total magnitude of charge. Charge = Current × TimeCharge = 0.4 A × 1.5 × 10-6 sCharge…

Q: A baby’s spoon with an area of 6.25 square centimeter is plated with silver from silver  nitrate…

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

Q: Circuit design for detection of contaminants in water using Chronoamperometry technique?(3 electrode…

A: Answer - Chronoamperometry technique - Chronoamperometry is used to study the kinetics of chemical…

Q: Calculate the concentration of an unknown solution that produced a current of 4.78 microA. The…

A: As given that unknown solution produced a current of 4.78 micro A.Since there is a relationship…

Q: If you have the reaction Fe3+ + 3e- -> Fe, how many grams of Fe will result if you apply a current…

A: Faradays first  law of electrolysis , the amount of substance  deposited at cathode   is directly…

Q: Q. No. 2: How can you differentiate lonization, proportional and G.M counter? Please support your…

A:

Q: 3. Solving time of electrolytic process. How long will it take for 1.25 L of a 1.0 M CUSO4 solution…

A: As per the rules, I am answering the first question in the multiple questions. If you want to be…

Q: Ascorbic acid (Vitamin C) in a 50.0mL sample of orange juice was analyzed by an electrochemical…

A: Given:Initial Volume of juice(ascorbic acid) Vi = 50 mLVolume of Standard ascorbic acid solution…

Q: What type of electrode is used in polarography? Platinum Electrode O Dropping Mercury Electrode…

A: Polarography is one type of voltammetry in which current is passed through a cell. The current is…

Q: 4 decimal places

A:

Q: How many grams of cobalt metal will be deposited when a current of 20.0 A is passed through a…

A: Faraday’s first law of electrolysis states that: The mass of any substance that gets deposited or…

Q: In a CV experiment, what happens after linearly ramping to the 'switching' potential? The potential…

A:

Q: You have a 2.50 cm diameter sphere that you would like to have plated with platinum metal. How long…

A: Given: Diameter  of sphere = 1.25cm Thickness of coating = 40.0micron density of plating =  21.45…

Q: Given the standard reduction potentials (Eo ’) for ubiquinone (Q) Q + 2H+ + 2e- ---> QH2 E o ’ =…

A: Given that FMNH2 is oxidized and Q is reduced.