Hydrogen Is Working and It’s Much Cheaper Than We Thought

[OKIsItJustMe]

5. …explain why such a flimsy thing as hydrogen has such a high BTU level… (This may help.)

Last edited Thu Aug 18, 2016, 09:52 AM - Edit history (2)

Breaking bonds takes energy, making bonds releases energy. If the bonds you make release more energy than the bonds you break, the overall reaction produces energy.

Here’s a comparison of hydrogen and methane. Starting with two hydrogen molecules and one oxygen molecule, producing two molecules of water, two H-H bonds and one O=O bond are broken and then four O-H bonds are created:

https://www.wou.edu/las/physci/GS361/Energy_From_Fossil_Fuels.htm

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Why the big difference in kJ/g? Keep in mind that carbon (¹²C) is a good deal more massive than hydrogen (¹H).