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Except water is H2O where the oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from

Except water is H2O where the oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from water again. So technically you can never create new water on Earth but you can bring in more from the space.

buffington 3y ago
> Except water is H2O where the oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from water again I'm not a chemist, so I may be totally wrong here, but does a water molecule "care" where the source of its oxygen and hydrogen come from? If you brought oxygen from space, and hydrogen from space, couldn't you then create new water on Earth?
- globular-toast 3y ago
  [flagged]
  - buffington 3y ago
    Perhaps I misunderstood your original comment. I interpreted what you said as meaning that the hydrogen and oxygen atoms that make up an H2O molecule had to be derived from H2O molecules. After all, your words were: > oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from water again Then: > technically you can never create new water on Earth I asked the questions in good faith, even while knowing that the origin of the individual atoms has no bearing on whether an H2O molecule is H2O or not. I wanted to give you an opportunity to perhaps share something that the rest of us didn't know. Your response was to ask about my education and how old I was, two data points that I can confidently claim have zero relevance on how water molecules are formed. > technically you can never create new water on Earth This is absolutely incorrect. Water can be created on Earth and is being created constantly from various processes. One of those processes: burning any hydrocarbon based fuels (aka, fossil fuels). You can see it for yourself - run any internal combustion engine and you'll see water dripping from the exhaust pipe.
    - namirez 3y ago
      Please pay more attention to the user names.

buffington 3y ago

> Except water is H2O where the oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from water again I'm not a chemist, so I may be totally wrong here, but does a water molecule "care" where the source of its oxygen and hydrogen come from? If you brought oxygen from space, and hydrogen from space, couldn't you then create new water on Earth?

globular-toast 3y ago
[flagged]
- buffington 3y ago
  Perhaps I misunderstood your original comment. I interpreted what you said as meaning that the hydrogen and oxygen atoms that make up an H2O molecule had to be derived from H2O molecules. After all, your words were: > oxygen comes from plants and plants get it from water and the hydrogen comes from hydrocarbon fuels where the hydrogen comes from water again Then: > technically you can never create new water on Earth I asked the questions in good faith, even while knowing that the origin of the individual atoms has no bearing on whether an H2O molecule is H2O or not. I wanted to give you an opportunity to perhaps share something that the rest of us didn't know. Your response was to ask about my education and how old I was, two data points that I can confidently claim have zero relevance on how water molecules are formed. > technically you can never create new water on Earth This is absolutely incorrect. Water can be created on Earth and is being created constantly from various processes. One of those processes: burning any hydrocarbon based fuels (aka, fossil fuels). You can see it for yourself - run any internal combustion engine and you'll see water dripping from the exhaust pipe.
  - namirez 3y ago
    Please pay more attention to the user names.