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(a)
Interpretation:
Whether the statement the cathode is thenegative electrode in both voltaic and electrolyticcells correct or wrong should be explained.
Concept introduction:
Both voltaic and electrolytic cells are chemical cells.
In an
If oxidation takes place on an electrode, that electrode is called as anode. The species in that electrode remove electrons an oxidize itself.
If reduction takes place on an electrode, that electrode is called as cathode. The species in that electrode absorbs electrons and reduced itself.
(b)
Interpretation:
Whether the statement the function of a salt bridge is to permit themigration of electrons between the half-cell compartments of an electrochemical cell. correct or wrong should be explained.
Concept introduction:
In an electrochemical cell there are two electrodes can be observed. Electrodes are named according to their tendency to oxidation or reduction take place there. If oxidation takes place on an electrode, that electrode is called as anode. If reduction takes place on an electrode, that electrode is called as cathode.
To complete the circuit the two solution that contain the two electrodes should be connected by electrically.
In a complete electrochemical cell charged are carried in between solution via the migration of ions that are present in the solutions.
Therefore, a wire connection cannot be used to connect the two solution.
(c)
Interpretation:
Whether the statement the anode isthe negative electrode in a voltaic cell correct or wrong should be explained.
Concept introduction:
In an electrochemical cell there are two electrodes can be observed. Electrodes are named according to their tendency to oxidation or reduction take place there.
If oxidation takes place on an electrode, that electrode is called as anode. The species in that electrode remove electrons an oxidize itself.
If reduction takes place on an electrode, that electrode is called as cathode. The species in that electrode absorbs electrons and reduced itself.
In a voltaic cell anode is negative charge and cathode is positive charge.
(d)
Interpretation:
Whether the statement Electronsleave the cell from either the cathode or the
anode, depending on what electrodes are used. correct or wrong should be explained.
Concept introduction:
In an electrochemical cell there are two electrodes can be observed. Electrodes are named according to their tendency to oxidation or reduction take place there.
If oxidation takes place on an electrode, that electrode is called as anode. The species in that electrode remove electrons an oxidize itself.
If reduction takes place on an electrode, that electrode is called as cathode. The species in that electrode absorbs electrons and reduced itself.
(e)
Interpretation:
Whether the statement Reduction occurs at the cathode in both voltaicand electrolytic cells correct or wrong should be explained.
Concept introduction:
In an electrochemical cell there are two electrodes can be observed. Electrodes are named according to their tendency to oxidation or reduction take place there.
If oxidation takes place on an electrode, that electrode is called as anode. The species in that electrode remove electrons an oxidize itself.
If reduction takes place on an electrode, that electrode is called as cathode. The species in that electrode absorbs electrons and reduced itself.
(f)
Interpretation:
Whether the statement If
Concept introduction:
Voltaic cell is an electrochemical cell which produce electrical energy via a
Voltaic cell converts chemical energy to electrical energy and an electrolytic cell is opposite of this.
In both the two cells oxidation takes place on an electrode, that electrode is called as anode. Reduction takes place on an electrode, that electrode is called as cathode.
(g)
Interpretation:
Whether the statement the cell reaction is an oxidation−reduction reactioncorrect or wrong should be explained.
Concept introduction:
In an electrochemical cell there are two electrodes can be observed. Electrodes are named according to their tendency to oxidation or reduction take place there.
If oxidation takes place on an electrode, that electrode is called as anode. The species in that electrode remove electrons an oxidize itself.
If reduction takes place on an electrode, that electrode is called as cathode. The species in that electrode absorbs electrons and reduced itself.
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Chapter 19 Solutions
EBK GENERAL CHEMISTRY
- 2. 200 LOD For an unknown compound with a molecular ion of 101 m/z: a. Use the molecular ion to propose at least two molecular formulas. (show your work) b. What is the DU for each of your possible formulas? (show your work) C. Solve the structure and assign each of the following spectra. 8 6 4 2 (ppm) 150 100 50 ō (ppm) 4000 3000 2000 1500 1000 500 HAVENUMBERI-11arrow_forwardComplete the spectroscopy with structurearrow_forwardComplete the spectroscopy with structurearrow_forward
- Given the following concentrations for a system, calculate the value for the reaction quotient: Cl2(g)+ CS2(g) ⇌ CCl4(g)+ S2Cl2(g) Cl2 = 31.1 atm CS2 = 91.2 atm CCl4 = 2.12 atm S2Cl2 = 10.4 atmarrow_forwardMatch each chemical or item with the proper disposal or cleanup mwthod, Not all disposal and cleanup methods will be labeled. Metal sheets C, calcium, choroide solutions part A, damp metal pieces Part B, volumetric flask part A. a.Return to correct lables”drying out breaker. Place used items in the drawer.: Rinse with deionized water, dry as best you can, return to instructor. Return used material to the instructor.: Pour down the sink with planty of running water.: f.Pour into aqueous waste container. g.Places used items in garbage.arrow_forwardWrite the equilibrium constant expression for the following reaction: HNO2(aq) + H2O(l) ⇌ H3O+(aq) + NO2-(aq)arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax
- Chemistry: Matter and ChangeChemistryISBN:9780078746376Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl WistromPublisher:Glencoe/McGraw-Hill School Pub CoChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningPrinciples of Modern ChemistryChemistryISBN:9781305079113Author:David W. Oxtoby, H. Pat Gillis, Laurie J. ButlerPublisher:Cengage Learning
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