What is the reaction of a fuel cell to generate electricity ?

1 Answer

Answer :

Answer : Electricity is generated from fuel by the redox reaction that takes place between the two electrodes of the fuel cell.

Related questions

Description : Liquid fuels can be used to generate electricity in a variety of ways. Which of the following technologies converts liquid fuel directly to electricity without a combustion step? w) turbine x) battery y) fuel cell z) Stirling engine

Last Answer : ANSWER: Y -- FUEL CELL  

Description : What energy does an electric cell use to generate electricity ?

Last Answer : Electric cells generate electricity using chemical energy.

Description : Industrial boilers are closed vessels that use a fuel source or electricity to generate ________for industrial purposes. • Fuel Food • Steam

Last Answer : • Steam

Description : In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent

Last Answer : ANSWER: Y -- 35 PERCENT 

Description : Could the radiation on Mars be used to generate electricity?

Last Answer : I defer to Rocketguy who is a literal rocket scientist. But I don’t think so. Certainly it wouldn’t be a regular source of energy. Even solar isn’t a regular source of energy.

Description : Mitochondria can be considered the ____________of the cell because they generate an enormous amount of cellular adenosine triphosphate (ATP) to fuel the cell.

Last Answer : “Power plant” or “Power house”

Description : How much natural gas, coal, etc does it take to generate enough electricity for every electric car in America?

Last Answer : That depends mainly on how quickly America converts away from generating energy using gas and coal. See for example the article: How much more energy will the US need to electrify everything?

Description : What do you think about nuclear power plants to generate electricity?

Last Answer : We should have been doing renewable energy sources like solar, wind, wave, & geo-thermal we all know these have been possible for a very long time.

Description : Is it possible or practical to generate electricity utilizing the magnetic field of the earth?

Last Answer : nope. not for us anyway. we’ve nothing to affix our velocity to.

Description : How do I generate electricity from water ?

Last Answer : It is possible to generate electricity from water currents. In this case, the turbine is rotated using the current , which produces mechanical energy. This turbine is coupled with generator or alternator. ... generated with the help of commutator is converted to DC and supplied to the outside load.

Description : How does Ilmach generate electricity ?

Last Answer : Electric eel can generate electricity in its body. That electric shock can injure or even kill you. Even crocodiles have been found to be severely injured. These are found all over the world. Especially in ... to each other and act like a battery at once. And this is how electricity is created.

Description : Say the methods a little ..

Last Answer : Collect the stone crumbs and grind them then fill them in two tubes and then attach them to the conductor.

Description : Why does the splitting atoms generate electricity?

Last Answer : If you mean nuclear fission, then this does not generateelectricity directly. The energy released is essentially light/heatenergy and this is used to heat water to produce steam. The steamis then used to drive turbines/generators to produce theelectricity.

Description : Why is wind power not used to generate electricity needed for large cities?

Last Answer : Simply because of the space that would be needed for thewind-turbines ! The amount of power produced by a single windturbine is relatively small. In order to power a large city, youwould need thousands of turbines - which would occupy huge swathesof land !

Description : How does geothermal energy is used to generate electricity from steam?

Last Answer : The heat from the earth is used to heat water. The water is usedto turn a turbine - which generates electricity.

Description : Why does a car engine still need a battery if it can generate its own electricity?

Last Answer : It needs the battery to store enough energy to restart theengine when it has been turned off. Without the battery you wouldhave to start the engine manually with a crank (as they did ... electrical systems toprevent variations in the voltage of the electrical system withchanges in engine speed, etc.

Description : How much more electricity does biomass energy generate than coal?

Last Answer : I am pretty sure that LESS electricity is generated withbiomass, meaning that its use is not as common as coal.

Description : Why do we need coal to generate electricity?

Last Answer : Need answer

Description : Do small personal windmills generate enough electricity for my whole house?

Last Answer : Each house is different and there are many things to take into account when thinking of using windmills to power your house. You have to take into consideration how much power you use and how much wind ... how many windmills you will need. It can take up to 8 windmills to power the average house.

Description : How can static electricity generate an electrical force to make your hair stand on end?

Last Answer : Static Electricity generator an electrical force can make your hair stand on end that happens because, your hair has picked up extra electrons. This causes your hair to repel against each other(Like charges ... tightly packed, the furthest any hair can get from another hair is to stand straight up.

Description : How can static electricity generate an electrical force to make your hair stand on end?

Last Answer : Static Electricity generator an electrical force can make your hair stand on end that happens because, your hair has picked up extra electrons. This causes your hair to repel against each other(Like charges ... tightly packed, the furthest any hair can get from another hair is to stand straight up.

Description : In a temporary forest camp, the best way to generate electricity for several hours is to use

Last Answer : diesel engine.

Description : The Oklo reactor in Gabon, Africa, is significant because it: w) was the first man-made reactor. x) was a natural fission reactor. y) was the first reactor used to generate electricity. z) produced the most electricity in a single year.

Last Answer : ANSWER: X -- WAS A NATURAL FISSION REACTOR.

Description : What do we use to generate electricity?

Last Answer : Use wind turbines.  In a windy seashore we set up some wind turbines.  But when the place is not windy we got no electricity.

Description : How do we use nuclear energy to generate electricity?

Last Answer : nuclear energy is produce by nuclei of atom

Description : A engine will generate maximum torque when it a. runs at maximum speed b. develops maximum power c. runs at lowest speed d. consumes more fuel

Last Answer : ANSWER c. runs at lowest speed

Description : Which of the following will generate maximum volume of product of complete combustion (Nm3 /Nm3 of fuel)? (A) Carburetted water gas (B) Blast furnace gas (C) Natural gas (D) Producers' gas

Last Answer : (C) Natural gas

Description : What is the function of boiler? • To burn the fuel in a confined closed system With the supply of air • To generate steam in varying pressure • To generate steam at constant pressure • To produce flue gases by burning fuel at a given pressure

Last Answer : • To generate steam at constant pressure

Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. • Steam • Boiler • Hydrogen • None

Last Answer : • Boiler

Description : A -________ incorporates a firebox or furnace in order to burn the fuel and _________ heat. a. Boiler, generate b. Heat, boiler c. Steam, pressure d. None

Last Answer : a. Boiler, generate

Description : A _______ incorporates a firebox or furnace in order to burn the fuel and generate heat. A Steam B Boiler C Hydrogen D None

Last Answer : B Boiler

Description : The device used to convert solar energy into electricity is – (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Last Answer : (1) Photovoltaic cell Explanation: Sunlight is converted into electricity using photovoltaics (PV). A photovoltaic system employs solar panels composed of a number of solar cells to supply usable solar power.

Description : The device used to convert solar energy into electricity is (1) Photovoltaic cell (2) Daniell cell (3) Electrochemical cell (4) Galvanic cell

Last Answer : Photovoltaic cell

Description : What's the highest velocity airstream a human could generate by lung and lip power alone?

Last Answer : answer:Try dislodging a tick that has got one leg under your skin by breath power. Then try a tweezers; talk about brute strength. However, I can't answer your question. Aren't there medical ... to determine lung power (for asthmatics, I believe. But you could certainly do your physics experiment.)

Description : Can sound waves generate heat? -Physics

Last Answer : Yes, sound waves can generate heat. In fact, sound waves almost always generate a little bit of heat as they travel and almost always end up as heat when they are absorbed. Sound and heat are both ... Yelling at your soup does indeed warm it up, but the amount is far too small to be noticeable.

Description : The bats can fly in the dark because – (1) They can see the objects in darkness (2) They have weak legs and are likely to be attacked by predators (3) They generate flashes of light (4) They generate ultrasonic sound waves

Last Answer : (3) They generate flashes of light

Description : The bats can fly in the dark because (1) they can see the objects in darkness (2) they have weak legs and are likely to be attacked by predators (3) they generate flashes of light (4) they generate ultrasonic sound waves

Last Answer : they generate ultrasonic sound waves

Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Last Answer : : Fuel truck generates static electricity

Description : Boiler works from application of which type of energies 1. Fuel combustion 2. Electricity 3. Nuclear energy 4. All of above

Last Answer : 4. All of above

Description : Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

Last Answer : i) Tariff: The rate at which a consumer is charged for the consumption of electricity is called as tariff. OR The amount of money framed by the supplier for the supply of electrical energy ... is the total wattage of all appliances which are used by the consumer on his sanctioned connection. 

Description : What process might have caused the first cell to spontaneously generate over a long period of time?

Last Answer : The theory of abiogenesis (aka biopoiesis) suggests that aminoacids, which form naturally under the proper chemical conditions,could have joined to form self-replicating chains such as RNA. Onceformed, these molecules could have evolved into more complex formssuch as DNA.

Description : What process might have caused the first cell to spontaneously generate over a long period of time?

Last Answer : The theory of abiogenesis (aka biopoiesis) suggests that aminoacids, which form naturally under the proper chemical conditions,could have joined to form self-replicating chains such as RNA. Onceformed, these molecules could have evolved into more complex formssuch as DNA.

Description : Photodiodes used as fiber optic directors are a. Unbiased to generate a voltage same as a solar cell b. Forward bias c. Reversed bias d. Thermoelectrically cooled

Last Answer : c. Reversed bias

Description : Photodiodes used as fiber optic directors are ∙ a. Unbiased to generate a voltage same as a solar cell ∙ b. Forward bias ∙ c. Reversed bias ∙ d. Thermoelectrically cooled

Last Answer : ∙ c. Reversed bias

Description : Metronidazole is selectively active against anaerobic organisms because: A. Aerobes have an active transport mechanism to pump it out of their cell B. Only anaerobes reduce it to generate the reactive ... inactivated in the presence of oxygen D. It binds to DNA of anaerobes with high affinity

Last Answer : B. Only anaerobes reduce it to generate the reactive nitro radical

Description : Tissues are constructed from many distinct cell types that perform different functions in response to signals from each other and the extracellular matrix. During tissue development and tissue regeneration, ... that stem cells undergo when they are required to generate a particular type of cell?

Last Answer : Asymmetric cell division. After asymmetric division, each of the two resulting daughter cells has a unique life course. For example, one daughter cell may differentiate into a specific cell type ( ... cell), whereas the other daughter cell may remain a stem cell with unlimited proliferative ability.

Description : (a) What are fuel cells? Explain the electrode reactions involved in the working of H2 – O2 fuel cell. (b) Represent the galvanic cell in which the reaction Zn (s) + Cu2+ (aq) → Zn2+ (aq) + Cu (s) takes place. -Chemistry

Last Answer : (a) Fuel cells : These cells are the devices which convert the energy produced during combustion of fuels like H2, CH4, etc. directly into electrical energy. The electrode reaction for H2 – O2 fuel cell : (b) The galvanic cell may be represented as Zn (s) | Zn2+ (1M) || Cu2+ (1M) | Cu (s)

Description : Is there a positive charge EMP? Can electricity be contained?

Last Answer : EMP stands for electro-magnetic pulse. Under those conditions the circuits are exposed to both electrical and magnetic fields. When a circuit and housing are designed you build them to satisfy ... so the device will still be working when only cockroaches and tardigrades are walking the earth.

Description : Does a source of electricity ever run out of electrons? -Physics

Last Answer : We can roughly classify all electrical systems into two categories: static electricity systems and circuit electricity systems. Note that all electrical effects are actually part of one unified set of physical laws. ... go away. They are still there as a natural part of the materials in the circuit.