Q4:-Put a mark of true or false in front of the following statements and correct the error,if any.-1-In (Cathodic protection system) sacrificial anode, which is more voltage than themetal to be protected from corrosion2-In oxidation-reduction reactions of solutions of strong acids, the oxygen ions are lessreduced than the liberated hydrogen ions.-Techniques Tafel extrapolation test are used in corrosion rate measurements toovercoming the disadvantages of the Linear polarization method4-A differential deration cell,corrosion take place mom electrode being thoroughlyaerated to another de aerated.5-Selective Leaching corrosion based on the more electrochemical component of an alloyis usually the element that is removed.6-Electrolytic Cells are Non-spontaneous redox reactions and convert the chemicalenergy to electric energy.7-Sour Corrosion term refer on corrosion due to gases which contain high concentrationsof CO₂ alone, and called sour gas, while acid gas, can refer to a gases containing highconcentration as H₂S,CO₂,HCL.HF.

In an electrochemical cell, both oxidation and reduction reactions takes place. During a redox…

4-A differential deration cell,corrosion take pisice from electrode being thoroughly aerated to another de aerated. 5-Selective Leaching corrosion based on the more electrochemical component of an alloy is usually the element that is removed. 6-Electrolytic Cells are Non-spontaneous redox reactions and convert the chemical energy to electric energy. 7- Sour Corrosion term refer on corrosion due to gases which contain high concentrations of CO₂ alone, and called sour gas, while acid gas, can refer to a gases containing high concentration as H₂S,CO₂HCL.HF.

4-A differential deration cell,corrosion take pisice from electrode being thoroughly aerated to another de aerated. 5-Selective Leaching corrosion based on the more electrochemical component of an alloy is usually the element that is removed. 6-Electrolytic Cells are Non-spontaneous redox reactions and convert the chemical energy to electric energy. 7- Sour Corrosion term refer on corrosion due to gases which contain high concentrations of CO₂ alone, and called sour gas, while acid gas, can refer to a gases containing high concentration as H₂S,CO₂HCL.HF.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Is this correct for the image? What’s the some macroscopic observations?
Match each phrase with its correct term. Record your responses onto the Google Form. 13. -log [H,O'] 14. 6.022 x 10 units/mol 15. The unit of measure for concentration. 16. Where reduction takes place in a galvanic cell. 17. Balances the change in positivity and negativity of galvanic cell solutions. 18. The oxidation state of pure elements. 19. The electrostatic attraction between oppositely-charged ions. 20. Organic compounds containing the maximum number of hydrogens possible. a. salt bridge b. cathode с. рH d. zero e. hydroxyl f. Avogadro's number g. saturated h. mol/L i. ionic bond
A cell consisting of a saturated calomel electrode and a lead ion electrode developed a potential of -0.3257 V when immersed in a 60.00 mL lead solution of unknown concentration. A 10.00 mL addition of 0.02500 M lead standard solution caused the reduction potential to shift to -.2897 V. Calculate the molar concentration (in units mM) of lead in the sample. Please make sure to perform necessary calculations to have a final answer in mM.
a) Electrolyte is a substance that furnishes In the electrolytic cell, + takes place at anode and + takes place at cathode.When electrolysis is carried out in the electrolytic cella metal is deposited at + and to deposit 1 mole of Mg metal from a solution of MgCl2 Faradeys of charge needs to pass through the cell. If a current of 10 amp is passed through a solution of MgCl2 for 96500 seconds,the amount of Mg metal that will be deposited in grams is + and the charge passing through the solution in Faradeys is
In the electrolytic refining of a metal M, what would you take as the anode, thecathode and the electrolyte?
11-19, 25 [References] Use the References to access important values if needed for this question. A standard galvanic cell is constructed in which a Ni2+ | Ni half cell acts as the cathode. Which of the following statements are correct? Hint: Refer to a table of standard reduction potentials. (Choose all that apply.) As the cell runs, anions will migrate from the Ni2+|Ni compartment to the other compartment. The cathode reaction is Ni2+ + 2e¯ -> Ni. Hg2+|Hg could be the other standard half cell. In the external circuit, electrons flow from the Ni2+|Ni compartment to the other compartment. O Ni is oxidized at the cathode. Submit Answer Try Another Version 1 item attempt remaining arch 12 %23
Galvanic cells are electrochemical cells that generate electricity while electrolytic cells that require electricity. True False
18:53 please
Answer no. 1
5) For this problem refer to the electrochemical cell below a) Which electrode is the cathode and which is the anode? b) Is this cell electrolytic or galvanic? Explain. c) If the concentration of dissolved zinc ions were increased, how would this change the measured voltage? Volumeter so so; Znisi - Zntag) - 2e Cagl + 2e -Cuis)
Anode is the electrode connected to the negative terminal of the current/voltage source and cathode is the electrode which is connected to the positive part.
d) For a thermodynamic process, when ΔΗsys > 0, and ΔSsys7, pH<7, or pH-7)