Increase the surface tension of water

Richard Phillips Rich at chums.demon.co.uk
Thu Jan 9 17:53:47 EST 1997


In article <5arda4$82t at daily-planet.nodak.edu>, Superdave the
Wonderchemist <thweatt at prairie.nodak.edu> writes
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>References: <01bbfb17$1c39f300$394f22cf at billyy>
>Organization: North Dakota Higher Education Computing Network (NDHECN)
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>
>Billy Yeung Kei Chun (billyy at connect.ab.ca) wrote:
>: Hi, I am now doing a research project in class on "how to increase to
>: surface tension of water"  The water is just the ordinary water from the
>: tap that we use in our daily life.  If anyone realize the answer of possess
>: any information please help me out of it.  Thank you
>
>: Billy
>
>
>I will help:
>
>According to my hady-dandy CRC Handbook of Chemistry and Physics (70th 
>edition, 1989-1990, CRC Press, USA) the surface tension of "pure" water 
>against air at 20 degrees C is 72.75 dynes/cm.  
>At 0 degrees celcius, the surface tension of water is 75.6 dynes/cm, at 
>100 degress it is only 58.9 dynes/cm.
>-Superdave The Wonderchemist
> 

Dear Superdave The Wonderchemist

        Would dynes/cm be some sort of ancient measurement?
        
        Does it have any relationship to Newtons/metre????

        Ordinary Richard The Abandonedchemistryfirstyearuniversity

p.s celcius ... Superspelling of celsius, I presume :)
-- 
Richard Phillips



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