Q#4. Explain the working principle of fuel cell? Can the fuel cell will replace the vehicle batteries? Compared the benefit of fuel cell on other conventional technologies?

Q: enumerate 10 importance of fuel cells

A: The answer is attached below-

Q: 2. For the cell notation Mg / Mg*2 /| Sn-2/ Sn. a. What is E° for the cell? b. Write the chemical…

A: Mg | Mg2+ || Sn2+ | Sn  (a)  Ecello = ESn2+/Sno - EMg2+/Mgo                  = 0.14 - ( -2.38 )…

Q: For the functioning of a voltaic cell using the reaction below, which statement is true?…

A:

Q: An galvanic (or voltaic) cell: O produces electrical current from a spontaneous chemical reaction. O…

A: Galvanic cell- A galvanic cell also known as voltaic cell,  is an electrochemical cell in which an…

Q: Choose all that apply.) -In the external circuit, electrons flow from the Ni2+|Ni compartment to…

A: The question is based on the concept of electrochemistry. we have to correctly identify the…

Q: + Cu 24 Cu Zn 2+ Zn Based on your data write a CER to answer the question: Does the potential of our…

A: Standard potentials - Cu2+ 2e---> Cu ,E°= +0.30 V Zn2+ 2e --->Zn ,E°= -0.70 V   Positive half…

Q: What are the fuel cells? Explain the working of the hydrogen-oxygen fuel cell

A: The cells which convert the energy from the combustion of fuels directly into the electrical energy…

Q: Determine whether the voltaic cell reaction is SPONTANEOUS or NON-SPONTANEOUS Al|Al3+||Ce4+,Ce3+|Pt

A:

Q: During an electrolysis experiment, the following species are present in solution: H+, CH3COOH,…

A: Concept: Reducing Agent- Species that reduce the other substance and gets oxidized itself in the…

Q: 18. Consider an electrochemical cell with a Zn electrode in ZnSO4(aq) and a Cu electrode in…

A: Galvanic cell :-  An electrochemical cell which is used to to convert chemical energy of a…

Q: Consider an electrolytic cell with a steady voltage of 3.5 V which produces Al(s) (atomic mass =…

A: Given the mass of Al(s) required = 229 g Molar mass of Al(s) = 26.98 g/mol => Moles of Al(s)…

Q: Use the information in the ALEKS Data tab to sort the following chemical species by oxidizing power.…

A: Oxidising power of the specie will be more if it has more tendency to undergo reduction. And more is…

Q: Which of the following reactions could work in a voltaic cell? Why? A) Pb2+(aq) + Mg(s) → Mg2+(aq)…

A: We have to tell which reaction could work is voltaic cell.

Q: 23. Write the balanced cell reaction for the cell schematic below, calculate the standard cell…

A:

Q: Which statement is NOT true of batteries?A. Batteries are compact forms of voltaic cells.B.…

A: A battery is that device which can store energy and when it discharges the energy, it will convert…

Q: Consider the voltaic cell illustrated in the figure (Figure 1), which is based on the cell reaction…

A: G = -nFE = J/mol Zn(s)-->Zn^2+(aq)+2e^- 0.765 V Cu^2+(aq)+2e^- -->Cu(s) 0.337 V   n = 2, F =…

Q: For a voltaic cell, which will cause the greatest increase in cell potential? Select one: A.…

A: From Nernst equation,  we know that. Ecell=E0 cell-0.059/n log oxidation/reduction At…

Q: A voltaic cell utilizes the following reaction: 2FE3+(aq)+H2(g)→2FE2+(aq)+2H+(aq)2FE3+…

A: The cell reaction given is, => 2 Fe3+ (aq) + H2 (g) → 2 Fe2+ (aq) + 2 H+ (aq) Given: [Fe3+ ] =…

Q: battery

A: In this question we have to describe how many hours will Last of a 57.5 wh 4 cell battery.

Q: For a voltaic cell, which will cause the greatest decrease in cell potential? Select one: A.…

A: We need to find which of the given changes will lower the cell potential by maximum value.

Q: A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A…

A: Introduction: A voltaic cell is a type of electrochemical cell that produces electrical energy from…

Q: 12

A: In the methanol fuel cell The half reactions are Oxidation half reaction  CH3OH +H2O ----->  CO2…

Q: 1.What is true about lead-acid battery cells? a.Lead-acid batteries consist of single cell. b.In…

A: Anode Pb(s) + HSO4– + H2O(l) –> 2e– + PbSO4(s) + H3O+(aq) Cathode PbO2(s) + HSO4–(aq) + 3H3O+(aq)…

Q: SPONTANEOUS or NON-SPONTANEOUS

A:

Q: The answer to this question is 5 but please provide an explanation as to how that is the answer!…

A: Here both the electrodes are the same which is Cu(s), but the concentration of the electrolyte is…

Q: Consider an electrolytic cell with a steady voltage of 4.6 V which produces Al(s) (atomic mass =…

A:

Q: Determine whether each statement describes an anode or a cathode in a voltaic cell.

A: voltaic cell also called as galvanic cell Voltaic cell is electro chemical cell Chemical energy…

Q: Which of the following statements about batteries is false? Lead storage batteries contain lead at…

A:

Q: A voltaic cell is based on the reactionSn(s)+ I2(s)----->Sn2+(aq) + 2 I-(aq)Under standard…

A: Oxidation means loss of electrons while reduction means gain of electrons.

Q: A aluminum -copper voltaic cell is represented as follows: Al(S) I AI3+(1.0 M) II Cu2+(1.0 M)I Cu(S)…

A: Given Al(s) l Al3+ (1.0 M) ll Cu2+ (1.0 M) | Cu(s)

Q: Consider a voltaic cell whose overall reaction is Pb2+1aq2 + Zn1s2 ¡ Pb1s2 + Zn2+1aq2. What is the…

A: Given [Pb+2] = 1.5 × 10-3 M [Zn+2] =0.55 M First, we need to calculate the Eocell Zn(s) →Zn2+(aq) +…

Q: Define weak electrolyte Define strong electrolyte What is electroplating?

A:

Q: For the functioning of a voltaic cell using the reaction below, which statement is true?…

A: From the above reaction, we can conclude that Ni(II) is oxidized by losing 2 electrons in the…

Q: You need to make a voltaic cell with what is around you, to replace your alarm. You need 1.5 V to…

A: Voltaic cell or galvanic cell is the electrochemical cell in which chemical energy gets converted…

Q: A student constructs a voltaic cell to study the reaction between M(s) and X(s) and their ions. A…

A: Voltic cell:  It is also called a Galvanic cell where chemical energy converted into electrical…

Q: In a hydrogen fuel cell, the steps of the chemical reaction are      at - electrode:      H2 +…

A:

Q: An electrolytic cell was used to cover a cupper cathode with a thin layer of Silver, AgNO3 is the…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: A common shorthand way to represent a voltaic cell isanode& anode solution& & cathode…

A:

Q: What are two similarities between primary and secondary batteries?

A:

Q: A common shorthand way to represent a voltaic cell is anode& anode solution& & cathode…

A: Given data, The balanced chemical equation is given below, ClO3(aq)- + 3Cu(s) + 6H(aq)+ → Cl(aq)- +…

Q: 2. Tell whether each of these statements are true and false. If false, rewite it to make it a…

A: Oxidation always occurs at the anode of an electrochemical cell. The above statement is TRUE. In…

Q: Consider the voltaic cell diagrammed below: Pb (s)| Pb²+ (aq)l| H2 (g)| H* (aq) | Pt (s) a) Write…

A: Nernst equation :- E = E° - RT ln Q  • At equilibrium E = 0 • E°cell = E°rp(cathode) - E°rp(anode)…

Q: (a) What is the difference between a battery and a fuel cell?(b) Can the “fuel” of a fuel cell be a…

A: A battery or a storage cell is a series of galvanic cell in which all reactants are present to…

Q: How is a fuel cell different from a battery? O A fuel cell never runs out of reactant. O A fuel cell…

A: Fuel cell is an example of electrochemical cell.

Q: What are the three common types of portable rechargeable batteries and how does each one work?

A: Nickel-cadmium (NiCad) batteries consist of a solid cadmium anode and a NiO(OH). The electrolyte…

Q: 114. One type of breathalyzer employs a fuel cell to measure the quantity of alcohol in the breath.…

A: Breathalyzer is a gadget for detecting the blood alcohol from a breath. When someone exhales into a…

Q: Consider a voltaic cell with the cell notation shown below. Which of the following statements is…

A: Here we have to predict the incorrect statement for the following given Galvanic cell reaction.

Q: The mostly familiar known .37 standard cell is Fuel cell .A B. Le Clanche C. Electrolytic cell

A: There are two types of electrochemical cells in electrochemistry known as voltaic or galvanic and…

Q: Would you expect delta ΔH° to be negative or positive for a voltaic cell? Briefly explain why. Think…

A: For this question we have to consider two different situations. 1) When E°cell >0 2) When…