(a)
Interpretation:
The standard cell potential for the given cell has to be calculated.
Concept Introduction:
An
Redox reaction: Redox reaction is a type of
The Standard Gibb’s free energy change and the standard cell potential are related as followed:
n - Number of electrons involved per equivalent of the net redox reaction in the cell
F - Faraday’s Constant (96500 C)
(a)
Explanation of Solution
The given information says that two voltaic cells are combined. The half reactions are depicted as follows,
Applying, the formula
(b)
Interpretation:
The total cell potential when two given cells are connected in series has to be calculated.
Concept Introduction:
An electrochemical cell is a device in which a redox reaction is used to convert chemical energy into electrical energy. Such device is also known as the galvanic or voltaic cell.
Redox reaction: Redox reaction is a type of chemical reaction, where both the oxidation and reduction occur at the same time. In a redox reaction, one of the reactant is oxidized and the other is reduced simultaneously.
The Standard Gibb’s free energy change and the standard cell potential are related as followed:
n - Number of electrons involved per equivalent of the net redox reaction in the cell
F - Faraday’s Constant (96500 C)
(b)
Explanation of Solution
The given information says that two voltaic cells are combined. The half reactions are depicted as follows,
Applying, the formula
When two cells are connected in series the total cell potential is obtained by adding the potentials of individual cells present.
(c)
Interpretation:
The cell that acts as voltaic cell and the one that act as electrolytic cell present in the given cell has to be identified when the given condition is applied.
Concept Introduction:
An electrochemical cell is a device in which a redox reaction is used to convert chemical energy into electrical energy. Such device is also known as the galvanic or voltaic cell.
Redox reaction: Redox reaction is a type of chemical reaction, where both the oxidation and reduction occur at the same time. In a redox reaction, one of the reactant is oxidized and the other is reduced simultaneously.
The Standard Gibb’s free energy change and the standard cell potential are related as followed:
n - Number of electrons involved per equivalent of the net redox reaction in the cell
F - Faraday’s Constant (96500 C)
(c)
Explanation of Solution
The difference in voltages occurs when the given cells are connected in series that is connecting
(d)
Interpretation:
The metal ion that gets reduced in each cell has to be identified.
Concept Introduction:
An electrochemical cell is a device in which a redox reaction is used to convert chemical energy into electrical energy. Such device is also known as the galvanic or voltaic cell.
Redox reaction: Redox reaction is a type of chemical reaction, where both the oxidation and reduction occur at the same time. In a redox reaction, one of the reactant is oxidized and the other is reduced simultaneously.
(d)
Explanation of Solution
The given information says that two voltaic cells are combined. The half reactions are depicted as follows,
Analyzing the reduction potentials of
Similarly, analyzing the reduction potentials of
(e)
Interpretation:
The amount of metal obtained from electrolytic cell when 2 grams of metal plates out from voltaic cell has to be identified.
Concept Introduction:
An electrochemical cell is a device in which a redox reaction is used to convert chemical energy into electrical energy. Such device is also known as the galvanic or voltaic cell.
Redox reaction: Redox reaction is a type of chemical reaction, where both the oxidation and reduction occur at the same time. In a redox reaction, one of the reactant is oxidized and the other is reduced simultaneously.
(e)
Explanation of Solution
The difference in voltages occurs when the given cells are connected in series that is connecting
As per above connection,
Therefore, the mass of zinc produced is calculated as follows,
Want to see more full solutions like this?
Chapter 21 Solutions
Loose Leaf for Chemistry: The Molecular Nature of Matter and Change
- ell last during 7. Write the isotopes and their % abundance of isotopes of i) Cl ii) Br 8. Circle all the molecules that show Molecular ion peak as an odd number? c) NH2CH2CH2NH2 d) C6H5NH2 a) CH³CN b) CH3OHarrow_forwardCalsulate specific heat Dissolution of NaOH ก ง ง Mass of water in cup Final temp. of water + NaOH Initial temp. of water AT Water AH Dissolution NaOH - "CaicuraORT. AH (NaOH)=-AH( 30g (water) 29.0°C 210°C 8°C (82) 100 3.. =1003.20 Conjosarrow_forwardPlease provide throrough analysis to apply into further problems.arrow_forward
- Molecular ion peak: the peak corresponding to the intact morecure (with a positive charge) 4. What would the base peak and Molecular ion peaks when isobutane is subjected to Mass spectrometry? Draw the structures and write the molecular weights of the fragments. 5. Circle most stable cation a) tert-butyl cation b) Isopropyl cation c) Ethyl cation. d)Methyl cationarrow_forwardHow many arrangements are there of 15 indistinguishable lattice gas particles distributed on: a.V = 15 sites b.V = 16 sites c.V = 20 sitesarrow_forwardFor which element is the 3d subshell higher in energy than that 4s subshell? Group of answer choices Zr Ca V Niarrow_forward
- ii) Molecular ion peak :the peak corresponding to the intact molecule (with a positive charge) What would the base peak and Molecular ion peaks when isobutane is subjected to Mass spectrometry? Draw the structures and write the molecular weights of the fragments. Circle most stable cation a) tert-butyl cation b) Isopropyl cation c) Ethyl cation. d) Methyl cation 6. What does a loss of 15 represent in Mass spectrum? a fragment of the molecule with a mass of 15 atomic mass units has been lost during the ionization Process 7. Write the isotopes and their % abundance of isotopes of i) Clarrow_forwardChoose a number and match the atomic number to your element on the periodic table. For your element, write each of these features on a side of your figure. 1. Element Name and symbol 2. Family and group 3. What is it used for? 4. Sketch the Valence electron orbital 5. What ions formed. What is it's block on the periodic table. 6. Common compounds 7. Atomic number 8. Mass number 9. Number of neutrons- (show calculations) 10. Sketch the spectral display of the element 11.Properties 12. Electron configuration 13. Submit a video of a 3-meter toss in slow-moarrow_forward[In this question, there are multiple answers to type in a "fill-in-the-blank" fashion - in each case, type in a whole number.] Consider using Slater's Rules to calculate the shielding factor (S) for the last electron in silicon (Si). There will be electrons with a 0.35 S-multiplier, electrons with a 0.85 S-multiplier, and electrons with a 1.00 S-multiplier.arrow_forward
- Provide the unknown for the given data.arrow_forwardDraw the Lewis structures of two methanol (CH3OH) molecules and depict hydrogenbonding between them with dashed lines. Show all lone pairs. Provide a thorough analysis to apply concept idea into other problems.arrow_forwardSteps and explanation please.arrow_forward
- ChemistryChemistryISBN:9781305957404Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCostePublisher:Cengage LearningChemistryChemistryISBN:9781259911156Author:Raymond Chang Dr., Jason Overby ProfessorPublisher:McGraw-Hill EducationPrinciples of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning
- Organic ChemistryChemistryISBN:9780078021558Author:Janice Gorzynski Smith Dr.Publisher:McGraw-Hill EducationChemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningElementary Principles of Chemical Processes, Bind...ChemistryISBN:9781118431221Author:Richard M. Felder, Ronald W. Rousseau, Lisa G. BullardPublisher:WILEY