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How does the reaction of hydrogen and oxygen to produce energy in a fuel cell differ from their interaction during the direct combustion of hydrogen and oxygen?
In a fuel cell, the reaction of hydrogen and oxygen occurs electrochemically, producing electricity as a byproduct. This process is more efficient and produces less waste compared to direct combustion of hydrogen and oxygen, which releases energy in the form of heat without generating electricity. Fuel cells offer a cleaner and more controlled way to harness energy from hydrogen compared to combustion.
What's the difference between diesel and unleaded fuel?
Diesel fuel is heavier and oilier than unleaded fuel, and is used in diesel engines. Unleaded fuel is lighter and cleaner, and is used in gasoline engines. Diesel fuel is more energy-dense and efficient, while unleaded fuel burns cleaner and produces less pollution.
Why you can not used fuel of pure hydrogen?
Pure hydrogen is challenging to use as a fuel source because of several reasons. Firstly, it is difficult to store and transport hydrogen due to its low density and high flammability. Additionally, the infrastructure for hydrogen fueling stations is not as developed as other fuel sources, making it less convenient for everyday use. Finally, producing hydrogen on a large scale often requires energy-intensive processes that can offset the environmental benefits of using it as a clean fuel.
What is one of the downsides to using hydrogen power?
One downside to using hydrogen power is the high cost associated with producing and storing hydrogen fuel. Currently, the infrastructure required to produce, transport, and store hydrogen is limited, making it less practical and cost-effective compared to other energy sources.
Compare LPG and Wood as fuel?
LPG----1. Lpg produces harmful gases in very small amount.it is a cleaner fuel. wood-----------1.burning of wood gives a lot of smoke which is very harmful for human beings.it causes respiratory problems. Health Hazards of wood smoke are 1000"s time greater then LPG
Which fuel causes minimum environmental pollution. A hydrogen B coal C diesel D kerosene?
hydrogenA2:Coal is the fuel that produces the least pollution among the choices. Hydrogen would be the least polluting except for the reality that hydrogen is produced by burning coal to produce electricity to electrolyse water. Only if the electricity used to produce the hydrogen were produced by hydro, wind or solar, would hydrogen be less polluting than coal.
What is a challenge to using hydrogen as a fuel because hydrogen powered cars create less pollution than gasoline powered cars?
New fueling stations that can handle hydrogen would have to be built.
Hydrogen-powered cars create less pollution than gasoline-powered cars when driven. What might be a challenge to using hydrogen as a fuel?
Challenges to hydrogen as fuel include no distribution network, ie gas stations, and fear that the car co u l d explode like the Hindenburg.
Why are hydrogen cars better than petrol cars?
less pollution
Can olive oil cause less pollution than fossil fuel?
yes i does cause less pollution but it can't run cars
What are the benefits of hydrogen cars?
Some benefits of hydrogen vehicles are: less pollution, less dependence on foreign oil, less vehicle costs, and not having to purchase gasoline. These vehicles are great for the environment.
What stars have the longer life span?
The smaller stars generally live longer due to less mass & less hydrogen is burned.
How do hydrogen cars produce less pollution than fossil fuels?
The direct pollution of a hydrogen-powered car is just water vapor, which is very clean. However, the TOTAL pollution of a hydrogen-powered car is higher than a fossil-fuel powered car. Pure hydrogen is difficult to obtain here on Earth. You need to make the hydrogen by breaking down other compounds that contain hydrogen, and that often takes a lot of either electric energy or natural gas. The electricity needed to break down water into hydrogen and oxygen generally comes from coal or natural gas, both fossil fuels. So, hydrogen cars or electric cars are just a way of sending the pollution someplace else, not eliminating it completely.
Is natural gas environmentally friendly?
It is debatable. Natural gas has the smallest carbon to hydrogen ratio of any fossil fuel, which means it produces less carbon dioxide per unit of energy than any other fossil fuel. The impurities such as hydrogen sulfide can be easily removed via the Claus process, avoiding toxic emissions of sulfur dioxide when the fuel is burned. On the other hand natural gas is still a fossil fuel and still produces carbon dioxide when burned, which is the major contributor to anthropogenic global warming.
What are the enviromental impacts with nuclear energy?
Far less than fossil fuels. The amount of nuclear fuel required to make a certain amount of energy is tiny compared to fossil fuels, and therefore produces far less pollution. Most of the pollution is from mining the nuclear fuel, the only pollution from burning the fuel is "heat pollution", where the cooling towers dump waste heat into a lake or ocean and the temperature changes the ecosystem.
Should you switch to more fuel efficient cars?
Yes you should. They will cause less pollution.
Why is riding a scooter better for the environment then driving a car?
because it doesn't burn as much fuel.the less fuel burned ,the less emissions are emitted.
