Identify and balance the half-reactions in the reaction that occurs within a battery to gen- erate electricity. Zn(s) +2MnO. ← Mn₂O3(s) + Zno(s)

Q: balance the reaction in acidic solution • identify the species oxidized, the species reduced, the…

A: Species which oxidized is I-. Species which reduced is Pb+4  Oxidizing agent is Pb+4 Reducing agent…

Q: An electrolytic cell contans 50.0 mL of a 0.152 M solution of FeCl3. A current of 0.775 A is passed…

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Q: Three electrochemical cells were connected in series so that the same quantity of electrical current…

A: Concept introduction: Faradays second law of electrolysis is explained as when the same quantity of…

Q: Balance the two half reactions tor te reaction in an acid solutich. H,0,+ I→ I,t H, O

A: The reaction given is H2O2 + I- -------> I2 + H2O Since in the above reaction, the oxidation…

Q: Suppose that you want to construct a voltaic cell from nickel and cadmium for a chemistry project.…

A: Given data,Molarity of Cd2+=0.01ME=0.17V

Q: A galvanic cell with a voltage of 1.3 V utilises the reaction: Zn + Cu2+ →→ Cu + Zn2+, as a source…

A: Given: The cell voltage is 1.3 V. The amount of Cu and Zn used is 6.3 g and 11 g, respectively.

Q: How long (in hours) must a current of 4.61 amps be passed to produce 79.5 g of copper metal from a…

A: Given:: Current i= 4.61 A  Mass of Cu = 79.5 g  Molar mass of Cu= 63.55 g mol-1 Time t= ?

Q: A certain half-reaction has a standard reduction potential Ered =-0.96 V. An engineer proposes using…

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Q: A 215-mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

A: Gien: Volume of a sample = 215 mL NaCl = 0.500M pH = 7 After 15 minutes, Volume removed = 10 mL HCl…

Q: A galvanic cell is based on the following reaction(at 25°C)： Cu (aq)+Sn(s) → Cu(s)+Sn (aq) If the…

A: Note - The given reaction is incorrect. So, we will use the correct reaction for the question.   A…

Q: Balance the following redox reaction that occurs under basic, aqueous conditions: NiO2 + Fe →…

A: To balance a redox reaction,follow the below mentioned steps: 1) Consider oxidation and reduction…

Q: an irregularly shaped metal part was made from a particular alloy was galvanized with zinc using a…

A: Given The amount of current (I) is 2.15 A The time is 2.2 hours The density of zinc is 7.410 g/cm3…

Q: A proposed battery involves the reaction of Zn(s) and Cl2(g) to give ZnCl2. If you want such a…

A: The Faraday’s first law of electrolysis state that the mass of the substance  deposited at any…

Q: Balance the following half-reactions by adding the appropriate number of electrons (e–). I2 (s) +…

A: Since in the above reaction we have I initially in I2 at 0 oxidation state  And finally in IO3- the…

Q: Balance the reaction below in basic solution. • identify the species oxidized, the species reduced,…

A: The given unbalanced redox reaction, MnO4− (aq) + Br− (aq) → BrO3− (aq) + MnO2 (s)

Q: When an aqueous solution of potassium iodide is electrolyzed using platinum electrodes, the…

A: 8.15mA current flows which is equal to 0.00815A time is 12.6min = 756s The molar mass of I2 =…

Q: The nickel-cadmium battery cell has a standard potential of +1.20 V. The cell reaction is 2…

A: The solution is as follows :

Q: Tin-plated steel is used for "tin" cans. Suppose that in the production of sheets of tin-plated…

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Q: Redox reaction of Hydrogen Peroxide 2H202—->2H2O+O2 • Describe the reaction. •Write the…

A: The process of losing electrons is called oxidation and the process of losing electrons is called…

Q: The following half-reactions take place in an acidic solution: 2Hg(l) →Hg2+2(aq) + 2e-  PbO2 (s) +…

A: Answer :  Given are the two half reactions which are taking place in acidic solution . Explanation :…

Q: A solution containing vanadium (chemical symbol V) in an unknown oxcidation state was electrolyzed…

A:

Q: An alternator recharges an automobile battery when the engine is running. If the alternator produces…

A: Given, Current produced by alternator = 1.540 A Engine operations requires = 1.179 A  mass of…

Q: A 220 mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

A:

Q: Many "muscle" car enthusiasts like to use chrome-plated engine parts when restoring a muscle car of…

A: Mass of Chromium =  m = 25 gMolar Mass of Chromium = 52 g/molNo of moles of Chromium = n = m Mn = 25…

Q: Balance the following Redox reaction in acidic media. VO2" (aq) + Sn(s) vo²+ (aq) + Sn²+, (aq)

A: Here we are required to balance the redox reaction

Q: A certain half-reaction has a standard reduction potential Ered=+0.90 V. An engineer proposes using…

A: It is given that E°cell ≥ 0.70  E°cat = 0.90 V

Q: Balance the following redox reaction in acidic solution. NO(g)+Cl2(g) →  HNO2(aq)+Cl−(aq)

A: Given reaction: NO(g)+Cl2(g) →  HNO2(aq)+Cl−(aq) We have to balance this redox reaction in acidic…

Q: Complete and balance the following redox reaction in basic solution 103 (aq) + Re (s) → ReO4 (aq) +…

A: IO3- + Re → ReO4- + I- The given reaction is a redox reaction because it involves both reduction and…

Q: The following spontaneous reaction occurs when metallic zinc is dipped into a solution of copper…

A: The given reaction is: Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s) When a zinc rod is inserted into a…

Q: Complete and balance the following half-reaction in acidic solution NH_3(g)->NO_3(aq)

A: In the given reaction the ammonia is converted into nitrate ion: NH3g → NO3-aq

Q: A galvanic cell is made up of one electrode consisting of a copper metal immersed in 0.00500 M…

A: Given,  A galvanic cell is made up of one electrode consisting of a copper metal immersed in 0.00500…

Q: an irregularly shaped metal part was made from a particular alloy was galvanized with zinc using a…

A:

Q: A voltaic cell (also called a galvanic cell) was constructed by connecting two beakers with a salt…

A: Given: Standard half-cell reduction potentials:Fe2+(aq)  +  2e-  ----->  Fe(s)     E o  =  -0.45…

Q: Complete and balance the following redox equation in basic solution. Br2(l) + Al(OH)4–(aq) ⟶ Br–(aq)…

A: Answer:- This question is answered by using the simple concept of balancing the redox reaction in…

Q: Silver can be electroplated at the cathode of an electrolysis cell according to the following…

A: Current = 7.9 A Time = 73 min Ag^+(aq)+ e^-→Ag(s) From this Reaction we get that ,  1 mole e- is…

Q: Calculate the voltage of the redox reaction of element X (group 2) if the Gibb’s free energy evolved…

A: ∆G= +150KJ/mol = 150×103J/mol F= 9.649 x 104C For group element, n= 2

Q: A quantity of electricity equal to 9.263 × 104 C passes through a galvanic cell that has an Ni(s)…

A: Given data Electricity passed=9.263x104 C Standard value of the Faraday constant is 96500 C/mole…