Identify the type of galvanic cell commonly used in each of these consumer electronic products. Assume none uses solar cells. a) Laptop computer b) Cell phones c) Digital Camera d) Calculator

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: List three advantages of lithium batteries.

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

Q: Which of the following are the three major parts of any electric circuit? O a a piece of cloth…

A: A electric circuit consists four major parts such as a source of electric energy ( Alternating or…

Q: List some things that are typically considered when selecting a battery for a new application.

A: INTRODUCTION: Battery consists of two or more electrochemical cells in which chemical energy…

Q: The current reduces 0.2257 mol M, resulting in 11.5 g of metal being collected at the cathode. What…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

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

A:

Q: In a separate electroplating experiment, if a 5.00 A current was used to electroplate a penny for…

A: Given : Current used = 5.00 A And time of current flow = 5.00 min = 5 X 60 = 300 s…

Q: The current reduces 0.0932 mol M, resulting in 6,09 g of metal being collected at the cathode. What…

A:

Q: 32. What is the mass of copper used if it was oxidized to copper(II) over 35s, given the average…

A:

Q: PV cell and photovoltaic cell are other names for a ____ cell.

A:

Q: Identify the options below that are not true of secondary batteries. Select all that apply. NiCd…

A: SECONDARY BATTERIES OR STORAGE BATTERIES

Q: Write a brief summary on "Green Inhibitors for corrosion of metals"

A: A brief summary on "Green Inhibitors for corrosion of metals", it is to be written. The corrosion is…

Q: How many minutes would it take a 5.68 amp current to produce enough aluminum from an AlCl3 solution…

A: Given data: Current (i) = 5.68 A Weight (w) = 0.389 g The equivalent weight of Al = 273=9. The time…

Q: Summarize your understanding about the different sources of energy by filling out the table below.…

A: We are assigned different sources of energy. We have to find their source, examples, and their…

Q: Between coastal and dry land areas, Where is rusting of iron objects faster ? Give reasons

A: Rusting of iron take places in both coastal and dry land area.

Q: Calculate the number of kilowatt-hours of electricity required to produce 1.0x10 kg of aluminum by…

A: Kilowatt hour (kWh): It is unit of power. It is used to determine amount of energy. The amount of…

Q: Why might a farm family avoid using bleach in their laundry?

A: When household chemicals get entered to our septic tank, it kills the live bacteria inside that is…

Q: What is a fuel cell?

A: A fuel cell is an electro chemical cell.

Q: Consider the galvanic series (shown below). From the choices provided below, please select the three…

A: The metal or alloy which lies in active (anodic) region to the selected element can acts as…

Q: 1. Imagine that you and a friend went to sea for catching fish by boat. However, in the middle of…

A: a) As we are in middle of seawater, we could make battery out of seawater. Seawater is good…

Q: Out of a cellphone containing a lithium -ion battery, A teddy bear, a bottle of perfume and a phone…

A: HAZMAT is a short form for hazardous materials. These are the substances that pose risk to health,…

Q: Explain why diamonds are useful for electrodes in batteries

A: Diamonds are useful for electrodes in batteries due to the listed reason:

Q: Chapter 20 Multiple Choice Question 59 Part A What mass of aluminum can be plated onto an object in…

A: According to Faraday's first law of electrolysis the mass of metal deposited is calculated as…

Q: How can Lithium ion batteries be improve for the future, and help us become more sustainable?

A:

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: which gas formed at each electrode in the electrolysis of water (the Petri dish where you did NOT…

A: The process by which compound breakdowns to different ions and molecules when electricity is applied…

Q: Setting of Plaster of Paris takes place due to(a) Solder(b) Bronze(c) Brass(d) Bell metal

A: Plaster of Paris has a little amount of solder, which helps it to settle.

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: When can a cell generate an electric current?

A:

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: Sketch a cell that forms iron metal from iron(II) while changing chromium metal to chromium(III).…

A:

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: The current reduced 5.439 mol M, resulting in 1.0 kg of metal being collected at the cathode. What…

A:

Q: Suppose 0.880 mol of electrons must be transported from one side of an electrochemical cell to…

A: Electric current is defined as the charge flown per unit time. I= Qt Where Q= Charge in coulomb t=…

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

A: ANSWER IS DISCUSSED BELOW ;

Q: Choose any electrochemical technique and write the report

A: Electrochemical techniques can offer significant advantages over other surface modification…

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: How many batteries you have encountered in your life? What could be the chemistry behind those…

A: There are two types of batteries Primary and Secondary, based on the property of charging. Primary…

Q: What is the Copper Electrolysis cell?

A: Electrolytic cells are use electricity to decompose chemical substances.

Q: Chemistry Suppose you find a bottle of Co2+ solution in the lab, but it is not labeled with a…

A:

Q: Compare electrorefining to electrowinning in the form of a VENN DIAGRAM .

A: ELECTROREFINING: Metal ores contains several mixture of compounds and they need to be purified and…

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: 4. Why do they put magnesium rods in a steel hot water heater? (Hint: Think about galvanized steel.)

A: Please find your solution below : Corrosion is a phenomenon in which a material gets deteriorated…

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…