Hydrogen is very flammable and can easily explode. Look back the Hindenburg blimp that used hydrogen. Hydrogen burns very cleanly leaving just water vapor of a byproduct. Using Hydrogen as a fuel for cars sounds great except that you need to make it by splitting water into Hydrogen and Oxygen. That uses up as much energy as the burning of Hydrogen releases. In use as a fuel for cars, you can imagine the explosion when a hydrogen tank bursts and ignites.
hydrogen is highly explosive.
It explodes
The electrodes must be kept dry.
how made hydrogen how made hydrogen how made hydrogen how made hydrogen
Hydrogen. The lightest element.
H2 is molecular hydrogen. H2S is hydrogen sulfide and is extremely toxic.
Hydrogen is not poisonous.
requires high pressure
It takes more energy to separate the hydrogen than we can get at the end.
The electrodes must be kept dry.
Hydrogen is plentiful therefore cheep. It is also volatile if not handled properly. Comparatively, a hydrogen explosion can be close to a nuclear explosion damage wise.
The advantages of using hydrogen fuel cells are that they are an alternative fuel to fossil fuels, like coal, oil and gas. Also, burning or reacting hydrogen with oxygen runs electric motors and it's only emission is water vapour. The disadvantages of using hydrogen fuel cells is that hydrogen does not occur naturally on Earth and thus is not an energy source. It takes a great deal of energy to extract Hydrogen from water. Hope this helps! :)
The advantages of using hydrogen fuel cells are that they are an alternative fuel to fossil fuels, like coal, oil and gas. Also, burning or reacting hydrogen with oxygen runs electric motors and it's only emission is water vapour. The disadvantages of using hydrogen fuel cells is that hydrogen does not occur naturally on Earth and thus is not an energy source. It takes a great deal of energy to extract Hydrogen from water. Hope this helps! :)
he failed to explain line spectrum of elements except hydrogen.
Advantages are very low emissions. Disadvantage is rarity of hydrogen fuel stations.
Advantage - It provided more lift than helium. Disadvantage - It was highly flammable. hydrogen's flames are colourless but look like fireworks
Hydrogen Energy is currently more expensive than any other fuel source, there is also no existing infrastructure to accommodate a Hydrogen fuel cell. The process for extracting Hydrogen to be used also usually requires the use of burning fossil fuels, thus creating pollution. Then there is the fact Hydrogen is both hard to store and distribute.
All these questions are asked separately many times over. Can this one be deleted?
renewable energy source non-poluting very safe and in-expensive large amounts can be stored up and used later