Hydrogen & hydrocarbon fuels

In summary, the conversation discusses the process of hydrogen burning in a star and its effects on hydrocarbon fuels. The question of whether the burning of hydrogen in a star is the same as burning hydrocarbons in air is raised, and the conversation references a source to further explore the topic.
  • #1
naders2
2
0
Hydrogen burning in a star breaks chemical bonds and rearranges atoms in all hydrocarbon fuels.True or false?

Thanks! =)
 
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  • #2
What kind of hydrogen 'burning' do you think is going on in a star? Is it the same as burning a hydrocarbon in air?
 
  • #3
I have no idea. That was just a true/false question on our homework assignment, yet I don't even fully understand what it implies.
 
  • #4
Read http://www.cartage.org.lb/en/themes/Sciences/EarthScience/Geology/OilandGas/FormationHydrocarbon/HowOilandGas/HowOilandGas.htm" and tell me if you think the atoms of hydrocarbons are broken and rearranged by the action of a star burning hydrogen.
 
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  • #5


True. Hydrogen burning in a star involves a process called nuclear fusion, where hydrogen atoms combine to form helium. This fusion process releases a tremendous amount of energy and can also break down the chemical bonds in hydrocarbon fuels, rearranging the atoms and ultimately releasing energy as well. In both cases, the breaking and rearranging of bonds results in the release of energy.
 

What is the difference between hydrogen and hydrocarbon fuels?

Hydrogen is a pure element, while hydrocarbon fuels are composed of molecules containing hydrogen and carbon atoms. Hydrogen is considered a clean fuel because it only produces water vapor when burned, while hydrocarbon fuels produce carbon dioxide and other harmful emissions.

How is hydrogen used as a fuel?

Hydrogen can be used as a fuel in fuel cells, which convert the chemical energy of hydrogen into electrical energy. It can also be burned in internal combustion engines, similar to traditional gasoline or diesel engines.

What are the advantages of using hydrogen as a fuel?

Hydrogen is a renewable energy source, as it can be produced from water through electrolysis using renewable electricity. It also produces no emissions when used as a fuel, making it a clean alternative to fossil fuels.

What are the disadvantages of using hydrogen as a fuel?

One major disadvantage is the high cost of producing and storing hydrogen. It also requires a significant amount of energy to produce, which often comes from non-renewable sources. Additionally, infrastructure for hydrogen fueling stations is not yet widely available.

Can hydrocarbon fuels be made more environmentally friendly?

Yes, there are ways to make hydrocarbon fuels more environmentally friendly. One method is through carbon capture and storage, which captures the carbon dioxide emissions from burning hydrocarbon fuels and stores them underground. Another method is through biofuels, which are made from renewable organic materials and produce fewer emissions than traditional fossil fuels.

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