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Hydrogen itself does not generate electricity, but it can be used to generate electricity in at least two ways. First, as a combustible substance, hydrogen could be used as a fuel source for an electric generator. This process is not the most efficient means to produce electricity with hydrogen, because the conversion of mechanical energy to electricity always results in a (typically) pretty significant loss of power.
The most common social association of hydrogen and producing power these days involves a fuel cell, where hydrogen is the fuel, and the air provides the oxidant (oxygen). A fuel cell sparks a reaction between the hydrogen and the oxidant by means of a catalyst (usually a pricey metal like platinum), and electricity is produced. About half of the energy potential is lost as heat, so this process is about 50% efficient.
Interesting side note. Diesel generators can be up to 45% efficient (possibly as high as 55%). I have no idea if a hydrogen generator could be nearly as efficient burning just hydrogen. My instinct is definitely no, based only on the assumption that diesel's high efficiency comes from the high compression design as compared to a gas generator. But... it would be interesting to know if it would be physically possible to make an electric generator that burns hydrogen as efficient or more efficient than the current crop of fuel cells ;-D.
Photosynthesis is the process used by plants, algae, and some bacteria to produce oxygen by splitting water molecules into hydrogen and oxygen. This occurs in the chloroplasts of plants during the light-dependent reactions.
Combining hydrogen and oxygen produce energy that can be transform in to electricity.
Burning hydrogen releases energy and forms water. Anytime hydrogen combines with oxygen there is energy given off and H2O (water) is formed.
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Why is hydrogen easier to liberate than the hydrogen in water?
Hydrogen gas (H2) is easier to liberate because it is not chemically bound to other elements, whereas in water (H2O) hydrogen is already bonded to oxygen. The process of splitting water to liberate hydrogen requires additional energy to break the strong hydrogen-oxygen bond.
How many oxygen molecules are produced from the splitting of two molecules of water if the balanced equation for the reaction is as follows 2H2O 2H2 plus O2?
Four oxygen molecules are produced from the splitting of two molecules of water. This is because for every two molecules of water that split, one molecule of O2 is produced according to the balanced equation shown.
Passing an electric current through a certain substance produces oxygen and sulfur This substance cannot be a?
This substance cannot be water, because passing an electric current through water, in a process called electrolysis, produces hydrogen and oxygen gas, not oxygen and sulfur.
What is a by-product of burning hydrogen gas?
There is only one product - water. Hydrogen burns in the oxygen in air to form hydrogen oxide or water vapour. 2H2 (g) + O2 (g) = 2H20 (g)
What are sources of hydrogen?
Sources of hydrogen include electrolysis of water, natural gas reforming, biomass gasification, and steam methane reforming. Additionally, hydrogen can be produced through the electrochemical splitting of water using renewable energy sources such as solar or wind power.
What is produced directly from the splitting of water?
Splitting water results in oxygen and hydrogen. The water element is separated into two hydrogen atoms and one oxygen atom.
What element produces oxygen in water?
The element that produces oxygen in water is hydrogen, through the process of electrolysis. When electricity passes through water, it splits into hydrogen and oxygen gas. This is how oxygen is generated from water.
Is the splitting of water into hydrogen and oxygen a exothermic reaction?
No, the splitting of water into hydrogen and oxygen is an endothermic reaction because it requires energy input to break the bonds holding the water molecules together.
What is the splitting of water molecules into hydrogen and oxygen molecules an example of?
The splitting of water molecules into hydrogen and oxygen molecules is an example of a chemical reaction known as electrolysis. This process involves passing an electric current through water to separate it into its constituent elements, hydrogen and oxygen.
Is the splitting of liquid water into oxygen gas and hydrogen gas a physical change?
no, it is chemical.
The oxygen released into the air as a product of photosynthesis comea from what?
When oxygen is released as a result of photosynthesis, it is a by product of what?reducing NADP+chemiosmosisthe electron transfer system of photosystem Isplitting the water moleculesthe electron transfer system of photosystem IIsplitting the water molecules
How can you prove water is a compound?
Water on electrolysis (splitting) gives elements Hydrogen and oxygen in a fixed proportion
What is oxygen in a chemical change that produces water?
The reaction between oxygen and hydrogen produce water.
Which process produces oxygen gas in the oxygen cell?
The process that produces oxygen gas in an oxygen cell is electrolysis. In this process, an electrical current is passed through water (H2O), splitting it into oxygen gas (O2) and hydrogen gas (H2). This method is commonly used in devices like fuel cells and electrolyzers for various applications.
What does this mean water hydrogen plus oxygen?
This is the word equation for the electrolysis of water; splitting it apart into its component elements.
When hydrogen is burned it reacts with oxygen and produces?
The product is water vapor.
What uses hydrogen and oxygen to make electricity?
A fuel cells uses hydrogen and oxygen to make electricity, and produces water as a byproduct.
