What is a fuel cell?

Q: what are fuel cells?

A: Fuel cells:It is an electrochemical cell that converts chemical energy of fuel and an oxidizing…

Q: 7. A fuel cell is more efficient than combusting the hydrogen in a combustion engine because: a.…

A: The hydrogen-combustion engines aren't as efficient as a hydrogen fuel cell.

Q: Differentiate between Batteries and Fuel Cells?

A: A battery is a combination of galvanic cells attaches together through a series circuit. Batteries…

Q: A secondary cell (battery) can operate either as a galvanic or an electrolytic cell. True or False…

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Q: Write the balanced equation for the reaction betweenhydrogen gas and oxygen gas in a fuel cell.

A: Write the balanced equation for the reaction between hydrogen gas and oxygen gas in a fuel cell.

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: Fuel cells are a particular type of electrochemical cell that require a constant source of chemical…

A: The following reaction takes place at the anode of the alkaline fuel cell: H2 + 2OH-  →  2H2O + 2e-…

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: What is cathodic protection?

A: Corrosion is the action of a metal that has been extracted from ore reverting to its primary state…

Q: How does the reaction between hydrogen and oxygen in a fuel cell differ from the combustion of…

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Q: 1.) Write the overall reaction that happens inside the fuel cell 2.) What are advantages and…

A: here fuel cell is given write down the anode and cathode reaction,  a fuel cell is an…

Q: When coper and aluminum electrodes are connected in a battery made of stadard half cells...…

A: The anode is the electrode at which oxidation takes place. The cathode is the electrode at which…

Q: 1. How do fuel cells differ from traditional electrochemical cells (batteries)

A: Battery doesn't store electrical or chemical energy whereas a fuel cell allows extraction of…

Q: What is the difference between batteries and concentration cells?

A: The difference between batteries and concentration cell given in the following steps:

Q: Which type of battery is rechargeable? A) alkaline battery C) dry cell B) button battery D) lead…

A: We know that , Primary batteries are non-rechargeable batteries. Example: dry cell,  button battery,…

Q: 13. What is the difference between a primary cell and a secondary cell? Which type of cell would you…

A: Types of cells:

Q: Fuel cell is an electrochemical energy conversion device in which fuel and oxidant react to generate…

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Q: A group of galvanic cells a(n)... a) Battery b) Voltaic Cell c)Sickle Cell

A: This question is related to electrochemistry, a branch of chemistry dealing with interconversion of…

Q: Which type of cell requires a non-spontaneous chemical reaction? Galvanic cell Voltaic cell O…

A: Electrolytic cell requires non spontaneous chemical reaction.

Q: A friend wants you to invest in a new battery she has designed that produces 24 V in a single…

A: In voltaic cell, oxidation and reduction of metals occurs at the electrodes.  At cathode, reduction…

Q: Q#4. Explain the working principle of fuel cell? Can the fuel cell will replace the vehicle…

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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: Place in a beaker of AgNO3 solution. 2. Clean a piece of copper coin and a piece of silver coated…

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

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Q: What is the formula for calculating the E° for Voltaic Cell

A: A voltaic cell is an electrochemical cell that uses a chemical reaction to produce electrical…

Q: Why do lithium batteries outperform alkaline batteries?

A: Lithium outperforms alkaline batteries because- 1) Li+ has the smallest Ionic radii as compared to…

Q: From the given cells: Lead storage cell, Mercury cell, Fuel cell and Dry cellAnswer the…

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Q: What does a 'dead' battery mean chemically? A) Q > 1

A: In daily life battery play an important role. Redox reactions play an important role in battery. The…

Q: Can storing batteries in a cold place, such as refrigerator of freezer, help prolong life?

A: "Storing batteries in a cold place, such as refrigerator of freezer, help prolong life." The above…

Q: Identify the type of galvanic cell commonly used in each of these consumer electronic products.…

A: Introduction : We have to tell what type of batteries are used in these electronic products .

Q: Fuel cells produce carbon dioxide and hydrogen. emit sulfur oxides. are environmentally clean.…

A: A fuel cell is electrochemical that converts the chemical energy of a fuel into electricity through…

Q: Illustrate how electrochemical cell can be used as an alternative source of energy. Give examples.

A: Electrochemistry is a branch of chemistry that relates electricity and chemical reactions associated…

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

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Q: Discuss the advantages and disadvantages of fuel cells over conventional power plants in producing…

A: ANSWER IS DISCUSSED BELOW ;

Q: Can Zn-SHE cell be used to power any device? Why?

A: SHE mean Standard Hydrogen Electrode its standard reduction potential is 0.0V EoH+/H2=0.0V In Zn-SHE…

Q: Batteries are becoming an essential commodity in our lives as a source of energy to power…

A: Commercial batteries are galvanic cells that use solids or pastes as reactants to maximize the…

Q: Which reaction could be used to generate electricity in a voltaic electrochemical cell?

A: In order to generate electricity in a voltaic electrochemical cell, we need to find out the element…

Q: cells

A: Fuel cells are a type of electrochemical cells which produces electricity based on the chemical…

Q: Can the “fuel” of a fuel cell be a solid?

A: Fuel cell is a instrument which converts chemical energy to the electrical energy. It is composed of…

Q: What is an electrolytic cell?

A: Cell is a device which is used to draw current. It consists of two terminal ; positive and negative…

Q: How do batteries generally work? If mercury batteries are so long lasting and efficient, then why…

A: working of battery are based on  spontaneous and non- spontaneous process , there are two types cell…

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: What is E° for this cell?

A: Ecello = SRP of Cathode - SRP of Anode  Ecello = Ecathodeo  - Eanodeo   Potential difference of…

Q: Explain the basic operation of a battery

A: A battery is a device which converts chemical energy into electrical energy. The flow of electrons…