What Are the Unique Properties of Water and How Do They Affect Its Behavior?

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Discussion Overview

The discussion revolves around the unique properties of water, particularly focusing on the arrangement and behavior of water molecules, the concept of continuity in relation to molecular spacing, and the visual representation of water at a molecular level. It encompasses theoretical and conceptual inquiries about the nature of water and its physical characteristics.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants question whether adjacent water molecules fit together tightly enough to be considered "continuous," raising the issue of what exists between them if they do not.
  • There is a discussion about the meaning of "continuous" in this context, with one participant suggesting that molecules are mostly empty space, which complicates the idea of continuity.
  • Participants explore the implications of molecular gaps, questioning if many everyday objects are primarily composed of empty space.
  • There is speculation about the appearance of a calm water surface at a molecular level, with some suggesting it may not be smooth when viewed at high magnification.
  • One participant asserts that while water appears smoother than many substances, it may still have a ragged structure at a finer scale.
  • Another participant comments on the limitations of visual representations of molecules, noting that illustrations often cannot capture the complexity of molecular behavior, including the presence of electrons in orbitals.

Areas of Agreement / Disagreement

Participants express differing views on the continuity of water molecules and the implications of molecular spacing. There is no consensus on these points, and the discussion remains unresolved regarding the nature of water at a molecular level.

Contextual Notes

The discussion highlights limitations in visualizing molecular structures and behaviors, as well as the dependence on definitions of terms like "continuous." There are unresolved questions about the implications of molecular gaps and the representation of molecular behavior in illustrations.

neginf
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1. Do adjacent water molecules fit together so tightly that water is "continuous" ?
2. If the answer to 1. is "no", what is in between them ?
3. What would the surface of a calm puddle look like if magnifed so individual molecules could be seen?
 
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what does "continuous" mean to you in this context? Molecules are almost nothing but pure emptiness, so what is it that would be "continuous".
 
Maybe I should have asked if it had no gaps instead of using the word "continuous".

Is the answer to 1. "no" because the molecules are mostly gaps to start with and have gaps between them ?
Does this mean many things in ordinary life are mostly empty space ?

Does the surface of calm water appear smooth because of scale - if you could magnify it enough to see individual molecules, would that surface actually be not smooth and even changing shape ?
 
neginf said:
Maybe I should have asked if it had no gaps instead of using the word "continuous".

Is the answer to 1. "no" because the molecules are mostly gaps to start with and have gaps between them ?
Does this mean many things in ordinary life are mostly empty space ?

Does the surface of calm water appear smooth because of scale - if you could magnify it enough to see individual molecules, would that surface actually be not smooth and even changing shape ?

Water's a lot smoother than many things but I'm sure if you could see down to enough granularity it would be very ragged.

It's not that "many thing in ordinary life are mostly empty space" it's that EVERYTHING (outside of black holes and neutron stars) is amost pure space.
 
Thank you very much.
 
For number three it would look something like this, the molecules at the top represent evaporation.

A5040064-Molecular_structure_of_water_vapour-SPL.jpg
 
Nice picture, but it shows molecules as solid objects. This is not entirely correct - in some situations they behave like that, in others they don't.
 
I would agree with your comment Borek but to visualize what's happening we could never illustrate it with enough detail to include electrons in their orbitals and such.

Also it was one of the better images on google and I couldn't find anything clearer.
 

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