What is one of the advantages of a fuel cell? a. They are more efficient than combustion. b. all of the above c. They can run for a very long time as long as you keep adding fuel. d. They have lower emission of pollutants than combustion.

Q: Give the main difference between primary batteries and secondary batteries. choose the correct…

A: To differentiate between primary batteries and secondary batteries.

Q: 4. Write the 4 conventional kinds of primary batteries. 5. Explain the hazards of using batteries.…

A:

Q: Explain how each type of fuel cell works, especially from the chemistry point of view.

A: Fuel cells converts chemical energy to electrical energy.

Q: Lithium ion batteries are not used for long term storage of energy. Why do you think that is? Choose…

A:

Q: 10. In the Benedict's test: a. An aldehyde is oxidized b. The copper ion is oxidized c. A silver…

A: A carbohydrate which has either a free aldehyde or free ketone functional group as a part of its…

Q: Electrochemical cell uses salt bride to complete the circuit. What is true from the following…

A:

Q: Describe different types of fuel cells. Explain how each type of fuel cell works, especially from…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: When discharged, what is the specific gravity of a lead-acid cell? A. Close to that of a strong acid…

A: A lead-acid cell is a type of rechargeable battery commonly used in vehicles and other…

Q: A Cu²⁺/Cu concentration cell has a voltage of 0.13 V at 25 °C. The concentration of Cu²⁺ in one of…

A: The half reaction which is taking place at cathode and anode are shown in equation (1) and equation…

Q: What is a fuel cell?

A: A fuel cell is an electro chemical cell.

Q: 10. What is the purpose of the salt bridge in a voltaic cell? A. It blocks the flow of electrons B.…

A: In a voltaic cell, salt bridge is used to connect the anode compartment and the cathode compartment.…

Q: in caused the concrete to fall away?

A: The iron rods are made up of iron metals and when this metal comes in contact with the air present…

Q: A galvanic cell constructed from a standard hydrogen electrode and a copper electrode generates an…

A: Nernst equation: ECu2+/Cu=E°Cu2+/Cu-0.05912log 1Cu2+0.365 = 0.340 + 0.02955 log Cu2+0.365 -0.340 =…

Q: 1. The following diagram represents a cell made with aluminum and tin. a. Use your activity series…

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Q: 8. A catalyst is used in a fuel cell to do what? a. Lower the activation energy of the reaction by…

A: Activation energy can be defined as the minimum amount of energy that must be provided to reactants…

Q: Why did Volta doubt results from Galvani's first round of animal electricity experiments? A. He…

A: In the late 18th century, Italian physician Luigi Galvani conducted experiments on frogs, in which…

Q: Which of the following are the products of the electrolysis of a neutral aqueous NaBr solution?…

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