O Battery used for heart pacemakers, hearing aids, and light meters. O Battery used in flashlights, MP3 players, and handheld video games. O Battery used in wristwatches, calculators, and in auto exposure cameras Battery used to supply power to the electrical accessories of the vehicle.

Q: 20:9

A:

Q: Spontaneous electrochemical reactions have free energy values. cell potentials and positive,…

A:

Q: List three advantages of lithium batteries.

A: Lithium ion batteries are rechargeable batteries that are used in mobile phones, laptops and other…

Q: Based on the equations, which would NOT occur according to the table of metal potentials? A) Pb(NO3…

A:

Q: How does  Ecell depend on the concentrations of the reactants and products in the redox reaction…

A: In nonstandard conditions, the relationship between the E" and concentrations of reactants and…

Q: True/False. The electrical energy is measured as electrons are transferred between the anode and…

A: In a Galvanic cell, electrical energy is generated due to a difference in chemical potential energy…

Q: What reactions occur when a lead storage battery supplies electrical energy? Lead(II) sulfate is…

A: The reactions involved in lead storage battery are shown below,

Q: A current of 2.345 A passes through the cell shown for 45 minutes. What is the volume of the…

A: It is a term used in chemistry when a substance undergoes a reaction in which it ends up gaining an…

Q: Calculate ΔG˚, in kJ, for the following reaction at 25˚C. 3 Cu(s)  2 NO3-(aq) + 8 H+(aq) → 3…

A:

Q: One renewable energy fuel source is hydrogen. Hydrogen fuel cells use the chemical energy of…

A: Hydrogen Fuel Cells provide an inherently clean source of energy, with no adverse impact on…

Q: Which of the following statement is TRUE regarding Anodic and Cathodic reactions? A. Both…

A: Given : We have to tell which statement is true regarding anodic and cathodic reactions.

Q: The mass of zinc found on each nail can then be used to determine how much it should cost to…

A: Galvanization refers to coating of zinc on the other metal surface. It is done, usually to protect…

Q: Methanol (CH3OH) is used in fuel cells to generate energy and avoid using petroleum products. How…

A: Generally, the combustion of hydrocarbons will give carbon dioxide, water and heat. Combustion…

Q: Write the half reaction in the cathode, if the H+ cation is reduce to form Hydrogen gas.       2H+ +…

A:

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

A: Can storing batteries in a cold place, such as a refrigerator or the freezer, help prolong life has…

Q: The lead in a lead-acid battery is used as   a redox reactant   the salt bridge   a place where…

A: Correct answer is : a place where electrons are being stored. Lead is used as anode in the lead-acid…

Q: In a lead-acid battery, which uses solid lead and lead(IV),   there is no oxidizing agent   there…

A:

Q: Which statement is not correct? O A voltaic cell is a type of electrochemical cell All…

A: Electrolysis is chemical decomposition of electrolyte in the  aqueous state by the passage of…

Q: The electrolysis of a concentrated sodium chloride solution would produce   sodium metal and…

A: The electrolysis of a concentrated sodium chloride solution would produce sodium metal and chlorine…

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

A:

Q: Explain why battery-powered electronics perform poorly in low temperatures.

A: A battery is a device consisting of two or more electrochemical cells, which convert chemical energy…

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

A: A question based on electrochemical cells that is to be accomplished.

Q: Electrochemical cells convert which of these into electrical energy? kinetic energy O mechanical…

A: Given are two questions.

Q: sacrificial anode to prevent your large ocean-going ship (primarily built from iron) from rusting,…

A: Things made up of iron react with oxygen and water present in the air and forms a layer of oxides…

Q: At the Tesla automotive factory, a Model S sedan is built using 4 tires, a main chassis, and 5…

A: Given: One Sedan needs: tires = 4, chassis = 1, lithium ion batteries = 5 Available tire = 17…

Q: Which one of the given renewable energy sources has lowest efficiency? a. Fuel cell b. Wind c.…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: All of the following are rechargeable batteries except for __________ batteries.     nickel-cadmium…

A: Answer :            Correct option is Third option i.e lithium. All of the following are…

Q: What are the anode and cathode reactions in a lead–acid storage battery? What happens when the…

A: The anode and cathode reactions in a lead-acid storage battery and the battery are recharged, what…

Q: A battery can be used as a source of electric energy. O True O False

A: A battery is a device that stores chemical energy and convert to electrical energy.

Q: You are designing a component for a new engine. This component will be made from steel (which is…

A: Sacrificial anode  is used as the protection of  metal structure from corrosion .

Q: 2b) balanced the following redox reaction in aqueous basic solution  NO3-(aq) +Fe(CN)64-(aq) -->…

A: 2b) balanced the following redox reaction in aqueous basic solution  NO3-(aq) +Fe(CN)64-(aq) -->…

Q: A standard dose of trinitroglycerin for relief of angina is 0.65 mg. If the sample is eventually…

A: Given, mass of trinitroglycerine = 0.65 mg

Q: Write the reactions for the discharge and charge of a nickel–cadmium (nicad) rechargeable battery

A: The nickel-cadmium rechargeable battery is a secondary battery having longer life than the lead…

Q: For each reaction, write the chemical formulae of the oxidized reactants in the space provided.…

A: Given reactions: We have to find the substances that are oxidized and the substances that are…

Q: Microorganisms can break down organic matter using a wide variety of oxidants (electron acceptors).…

A: Solved in details in step 2. This is question with multiple subparts. So, according to bartleby…

Q: Electrolysis is the process in which: A. Energy is produced B. Energy is consumed D. C. The reaction…

A: Electrolysis is a process in which electric current passed through the electrolytic Solution, this…

Q: corrode

A: Rusting or corroding of iron requires the presence of oxygen and moisture. The higher the level of…

Q: Use the following information on single replacement reactions to put substance X, Y, & Z in the…

A:

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

A: ANSWER IS DISCUSSED BELOW ;

Q: Fe+V2O3----->Fe2O3+VO identify the atom oxidized, the atom reduced, balance the equation and write…

A:

Q: calculate the amount of energy required to make 235 g of aluminum at a smelting temperature of 658°C

A:

Q: An electrolytic cell converts: A) Chemical energy into electrical energy B) Chemical energy into…

A: The question is based on the concept of electrochemistry. there are two types of electric cells. One…

Q: Analyze how the nitrate ion oxidizes the copper metal to copper (II) while itself being transformed…

A: From calculate oxidation no we can calculate oxidation and reduction reaction.

Q: What are the reactions occurring in the different parts of the cell? (Electrochemistry)

A: To find: The reactions occurring in the different parts of the cell

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: O3- is an oxidizing agent  that oxidizes :     KI to I2     I2 to I-     S2O3- to I

A:

Q: he Valve of trionde is Satlfer the mn f o. 2:+24+

A: Given reaction is: 2 e- + 2 H+ + S +O2  -----> SO3 + H2O                                  ΔH⁰ =…

Q: What are the top 10 elements to build a battery out of? and why?

A: The energy is produced by the interaction of different elements at the atomic level. The energies…

Q: Which of the following is NOT an advantage in using hydrogen fuel cells rather than gasoline engines…

A: Since the hydrogen fuel cells use hydrogen to react with oxygen forming water and producing energy…

Q: O CHEMICAL REACTIONS Predicting whether simple electrochemical reactions happen Decide whether a…

A: The element which lies up in the electrochemical series is more reactive and can displace a less…