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  1. Naked Science Forum
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  4. What Can I Add To Water To Make It Boil At A Reduced Temperature ?
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?

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Offline neilep (OP)

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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« on: 05/07/2010 17:03:16 »
Dear Boiling Water-ologists,

As a sheepy I of course luff to boil water. Boiling water is my all time favourite heating-water-up past time. There’s so many uses for boiling water…ewe can cook peas or melt a snowman……well there ewe are !!..what more could ewe ask for ?

See my boiling water here ?



 [ Invalid Attachment ]
My Boiling Water Here.

Nice eh ?..


Now I know that if I add some salt it makes the water boil at a higher temperature yes ?…well..apart from taking it up a mountain is there anything I can add to my water to make it boil at a lower temperature ?



Whajafink ?

Hugs & shmishes


Mwah mwah


Neil
Susan Boyle
xxxxxxxxxxx

* boilingwater.jpg (12.53 kB, 206x252 - viewed 1117 times.)
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Offline Geezer

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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #1 on: 05/07/2010 19:02:29 »
You could always dump some alcohol into it. Mind you, the alcohol will soon evaporate and you'll be back to water again.
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Offline lightarrow

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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #2 on: 06/07/2010 11:05:57 »
If the kind of alcohol or, more generally, the chemical, added to water is non water-soluble, its vapour pressure would add to that of water, decreasing the water boiling point. This effect is exploited in chemistry, in steam distillation (in this case it's the opposite: the organic, non water-soluble chemical decreases its boiling point by adding steam to it):
http://en.wikipedia.org/wiki/Steam_distillation
Adding a chemical like ether, dispersing it in water, you shoud get good results.
« Last Edit: 06/07/2010 11:20:13 by lightarrow »
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #3 on: 06/07/2010 11:14:27 »
Thank ewe both very much Geezer and Lightarrow.....so...once the alcohol/chemical has evaporated would the water stop boiling and only restart again once it then continues up to 100C ?


Cheers peeps.
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Offline lightarrow

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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #4 on: 06/07/2010 11:25:00 »
Quote from: neilep on 06/07/2010 11:14:27
Thank ewe both very much Geezer and Lightarrow.....so...once the alcohol/chemical has evaporated would the water stop boiling and only restart again once it then continues up to 100C ?
Using a non water soluble chemical of the kind I wrote, both water and that chemical boil at a lower temperature. If the chemical's percentage is lower than water's perc., then it will vaporize completely before water, in the other case it'll be the opposite.
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Offline BenV

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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #5 on: 06/07/2010 11:26:59 »
You could add altitude - that would change it's boiling point.  

At the peak of everest (8848m above sea level) water should boil at about 68°C.

Do you have any spare altitude, Neil?
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #6 on: 06/07/2010 16:41:47 »
Quote from: lightarrow on 06/07/2010 11:25:00
Quote from: neilep on 06/07/2010 11:14:27
Thank ewe both very much Geezer and Lightarrow.....so...once the alcohol/chemical has evaporated would the water stop boiling and only restart again once it then continues up to 100C ?
Using a non water soluble chemical of the kind I wrote, both water and that chemical boil at a lower temperature. If the chemical's percentage is lower than water's perc., then it will vaporize completely before water, in the other case it'll be the opposite.

Sorted !..Understood....THANK EWE lightspeed.
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #7 on: 06/07/2010 16:43:27 »
Quote from: BenV on 06/07/2010 11:26:59
You could add altitude - that would change it's boiling point.  

At the peak of everest (8848m above sea level) water should boil at about 68°C.

Do you have any spare altitude, Neil?



Attitude at Altitude ! 
[;D]



 [ Invalid Attachment ]






* Everest.jpg (56.61 kB, 640x512 - viewed 1128 times.)
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #8 on: 15/07/2010 17:37:52 »
I know sheep are good on mountains...but in those heels?
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What Can I Add To Water To Make It Boil At A Reduced Temperature ?
« Reply #9 on: 15/07/2010 19:48:04 »
Quote from: Make it  Lady on 15/07/2010 17:37:52
I know sheep are good on mountains...but in those heels?
Modern sheeps can't do without elegant shoes in every situation, didn't you know?  [;)]
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