Hydrogen energy
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Transcript of Hydrogen energy
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Preparaed byNitish Kumar Singh
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Hydrogen Energy
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INTRODUCTION
1.Hydrogen is a colourless $ odourless gas. It is highly combustible $a source of energy. 2.In normal state hydrogen is lightest of all gas.
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Hydrogen is very stable in normal condition , it is
undergoes various reaction at elevated temperature . When it mixed with Oxygen it gives 29,000 calories per gram ,but in coal gives 7800 calorie per gram energy.
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Sources of Hydrogen Energy
Breaking down the hydrocarbon (mainly methane)
Electrolysis from water. By reacting water of metals.
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Bio-photolysis – The production of hydrogen from water with the help of sunlight .
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Advantage of Hydrogen Energy
Hydrogen is colourless & odourless and non polluting , yielding pure water vapour as exhaust when combusted in air .
Hydrogen is the lightest chemical element and has the best energy to weight ratio of any fuel.
Hydrogen can be produced anywhere , it can be produced domestically from the decomposition of water .
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Disadvantage
Hydrogen is difficult to handle , store , and transport .it requires heavy , cumbersome tanks when stored the gas .
It is impossible to obtain hydrogen gas without expanding energy in the process.
Other than some volcanic emanations , hydrogen does not exist in it pure form in environment .
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