Boiling point vs. freezing point

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Discussion Overview

The discussion revolves around identifying which element has its boiling point and freezing point closest together, exploring the implications of phase transitions among different elements. The scope includes theoretical considerations and the behavior of elements under varying conditions.

Discussion Character

  • Exploratory, Conceptual clarification, Debate/contested

Main Points Raised

  • One participant questions the simplicity of the original inquiry, suggesting that the presence of a triple point in substances like water complicates the understanding of phase transitions.
  • Another participant emphasizes the importance of considering the same pressure and temperature when discussing phase changes.
  • A different viewpoint introduces the idea that short-lived radioactive elements may not provide clear data on phase transitions due to their instability.
  • One participant proposes rephrasing the question to focus specifically on atmospheric pressure to clarify the inquiry regarding phase changes.

Areas of Agreement / Disagreement

Participants express differing views on how to approach the question, indicating that there is no consensus on the best way to define or investigate the topic of boiling and freezing points.

Contextual Notes

Limitations include the potential complexity of phase behavior under different conditions, the influence of pressure and temperature, and the challenges posed by short-lived elements.

maximus
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this is going to sound like an odd question, but which element has its boiling point and its freezing point closest together? by which i mean, which transitions through the phases the fastest?
 
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Perhaps a more complex question than yopu realize. For example; water has a state known as "http://www.unidata.ucar.edu/staff/blynds/3pt.html ", in which all three phases are present in the same environment and at the same temperature.
 
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Same pressure and temperature.

And what about those short lived radioactive elements? We will never know about those either,or at least for a good while.
 
How about rephrasing the question to "At atmospheric pressure...What element has the closest phase change?"
 

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