QI: Electrical cell fill by 0.1 M aqueous NaOH when pass( 3.5 A) through (9 hr) the conductivity of solution become 0.23 ohm cm. a. give cell constant equal to 0.5 cm what resistance of electrodes b. write half-cell reactions and calculate the volume of gases when pressure 2 atm and temperature 25 °C.

Q: Using a library or the Internet, research a fuel cell that usesmethanol for fuel. What is the…

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Q: 1. Consider a galvanic cell consisting of the Cr3+/Cr (E° = −0.74 V) and the Ag+/Ag (E° = +0.80 V)…

A: (a) The reduction potential of chromium is negative but that of silver is positive. Therefore,…

Q: a. What is the initial voltage of this cell when it is properly constructed? Initial voltage = b.…

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Q: Given: NO3 -> NO(g) ɛ° = 0.96 V - Sn4+ -> Sn2+ ɛ° = 0.13 V The two half cells were coupled to…

A: Given,  NO3- ---------> NO, E0 = 0.96 V  Sn4+----------> Sn2+, E0 = 0.13 V  4). Nernst…

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn² +] = 0.821 M…

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Q: How much time in minutes would it take to deposit 1.74 grams of X (MW = 133.98 g/mol) on a cathode…

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Q: An electrical engineer is analyzing an electroplating run and wants to calculate the charge that has…

A: Voltage of the cell = 0.25 V Energy expended during electroplating run = 10.3 kWh = 10.3 ×103 watt h…

Q: Question is attached

A: Nernst equation can be used to find out the cell potential given the concentration of the oxidized…

Q: For the cell shown, the measured cell potential, ?cell, is −0.3681 V at 25 °C.   Pt(s) |…

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Q: At 25 oC a zinc-copper battery is constructed as follows:  Zn|Zn2+(0.1000 M)||Cu2+(2.500 M)|Cu…

A: Using Nerst equation  Ecell  = Eocell - (0.0591/n ) log [ Zn2+ ]/[ Cu2+ ]

Q: Suppose the galvanic cell sketched below is powered by the following reaction: Mg(s)+PdCl,(aq) →…

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

Q: How long would it take to reduce 1 mole of each of the following ions using the current indicated?…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(NO3)2 solution with a…

A: According to conversion of units, 1 hour is equal to 3600 s. The mass of mercury deposited by…

Q: 6. A 1M aqueous solution of chromium (I) bromide will be electrolyzed to "chrome plate" a faucet.…

A: As per the Faraday's 1st law of electrolysis: w=ZIt      ----(1)where,w = weight of the substance…

Q: I- Anode potential increases positively when current is applied in the anodic direction to an…

A: we are given four statement which are., 1)Anode potential increases positively when current is…

Q: A concentration cell based on the following half reaction at 313 K Ag* + e¯ → Ag; SRP=0.80V is made…

A: Since the standard cell potential of a concentration cell is 0, the potential of a concentration…

Q: E° (V) Au+ + 3e - Au 1.50 Mg +2e Mg -2.37 Calculate the standard potential for this cell. V This…

A: Ans 12.02*10-2M

Q: 2. The following cell is set up: 2. The following cell is set up: Porous Barrier 0.01M Pb(NO32 pH -…

A: The reactions taking place at each electrode are as follows : Multiplying equation (1) by 2 to…

Q: (a) How many moles of mercury will be produced by electrolysing 1.0 M Hg(N03)2 solution with a…

A: The quantity of charge passed is calculated as follows,                               Q=I×t Where,…

Q: Calculate the cell potential of the indicated reaction as shown below.         Ni(OH)2     Ni2+   +…

A: Given that : The given cell reaction is : Ni(OH)2  ⇌  Ni2+   +   2OH-                   Ksp = 1.6 x…

Q: An electrochemical cell is made of theoretical metals Ma/Ma2+ and Mb/Mb2+. If the reduction…

A: Cell A: Ma/Ma2+       Ereduction= -0.19 V   Cell B: Mb/Mb2+        Ereduction = -0.85 V

Q: A galvanic cell runs for 1 minute with a current of 0.50 A. How much charge passed through the cell…

A: The following expression shows the relationship between charge to current and time. Charge,…

Q: Match each commercial application of electrochemistry with the appropriate description.

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Q: A sample of 25 mL prepared for an electrolysis experiment has a zinc concentration of approximately…

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Q: Based on the cell notation of an electrochemical cell, Pt(s) | H2 (aq, 0.02 M) || Ag' (aq,0.15 M) |…

A: The standard electrode potential is the measurement of potential at equilibrium under standard…

Q: Given: NO3 -> NO(g) ɛ° = 0.96 V %3D Sn4+ -> Sn2+ ɛ° = 0.13 V The two half cells were coupled to…

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

Q: Please help me with this. The lesson is all about Electrochemistry..   *If the standard reduction…

A: redox  process is process where oxidation and reduction occur simultaneously

Q: A galvanic cell consists of a nickel cathode immersed in a NISO4 solution and a manganese anode…

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Q: 4. Write the Nernst equation for this cell. 5. A cell was constructed using 5.0 x 103 M Sn4+, 1.0 x…

A: Reduction is gaining of electrons. Oxidation is losing of electrons. The reactions where reduction…

Q: A current of 5.90 A is passed through a Sn(NO3)2 solution. How long, in hours, would this current…

A: The solution is having salt Sn(NO3)2 which contains ion Sn2+  Hence on passing the current, below…

Q: A voltaic cell that uses the reactionPdCl42-1aq2 + Cd1s2 ¡ Pd1s2 + 4 Cl-1aq2 + Cd2+1aq2has a…

A: (a) Half-cell reactions,            Anode reaction potential is +0.403 V.

Q: ) Show the equation and describes Faradays law which relates moles of analyte to charge in coulombs…

A: #(d): Faraday's first law describes the relation between the moles of the analyte deposited at the…

Q: A student prepares a solution of 0.03 M KMnO4 in 0.002 M Mn2+. If the pH is 3.5, what is the…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: Question attached

A: Given that: ECell=0.64 VEoPb2+/Pbs=−0.1263 VPb2+=0.010 MVO2+=0.10 MV3+=1.0×10−5 M Cathode:…

Q: Consider the cell Pt(s)|H2(g,p°)|HCl(aq)|AgCl(s)|Ag(s), for which the cell reaction is…

A: In electrochemistry, the Nernst equation is an equation that relates the reduction potential of an…

Q: Copper from a 200.0 mL solution of copper (II) sulfate is plated on to the cathode of an…

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Q: Consider a fuel cell that uses the reaction of ethanol with oxygen to produce electricity.…

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Q: Suppose the galvanic cell sketched below is powered by the following reaction: Mg(s)+CuCl,(aq)…

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Q: Pb(s) Pb(s) Salt bridge containing NANO3(aq) 2.5 M Pb2+ 5.0x 10-M Pb2+ s example of a concentration…

A: (b) Answer-  The condition of a system when neither its state of motion nor its internal energy…

Q: reaction, the cell potential (Ecell) of a concentration cell is always zero.   b.  If 25 mmol of Gd…

A: a) Concentration cell has same types of half cells but different in concentration only. False

Q: eCovalentActivity.do?locator%3Dassignment-take 图 Q [Review Topics] [References] Use the References…

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Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn2+] = 0.875 M…

A: The given cell reaction is : Zn2+=0.875 MFe2+=0.0200 M

Q: 5. Iron and Cadmium are coupled together in a poorly designed component. (a) What is the likely…

A: Interpretation: We have to provide likely reaction in the given aqueous environment.

Q: For ferricyanide determination by voltammetry, 20 mL of non-electroactive KCl solution is added to…

A: Molarity = No of moles / Volume (L) Also, No of moles = Molarity * Volume (L)

Q: A concentration cell composed of Cus)|Cu2* (aq, 0.10M)||Cu2* obtained. The cell was left sitting for…

A: It is given that the potential of the cell is 29.6 mV.

Q: A current of 0.500 A flows through a cell containing Cd(II) for 10.0 minutes. Calculate the maximum…

A: During electrolysis cadmium deposited as solid. The mass or moles of metal deposited can be…

Q: 8) Consider the galvanic cell constructed with the following materials Zn electro Zn(NO3)2(aq), Fe…

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Q: An electrochemical cell is set up with the following configuration: Hg|Hg2+||Mn2+|Mn.  The solutions…

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Q: A current of 0.500 A flows through a cell containing Cd(II) for 10.0 minutes. Calculate the maximum…

A: Given:  Current(I) = 0.500 A  Time(t) = 10 min. = 600 sec