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Topic: Hot water question< Next Oldest | Next Newest >
 Post Number: 1
askheaves Search for posts by this member.
Ack!!!
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PostIcon Posted on: May 16 2001,23:09  Skip to the next post in this topic. Ignore posts   QUOTE
OK. I'm standing on my porch last night smoking a cigarette, and out of nowhere this question from an 11th grade Chemistry test comes to mind. I answered the question in one way, but the teacher thought another way. So, despite nearly 30 minutes of arguing, my friend and I weren't able to regain that 2 points. Let's hear your verdict.


Which would burn worse:
Some water poured on your arm at 212 F or some steam blown on your arm at 212 F.


Make your assumptions, as this is about as much information as I remember from the question. Thank you for putting this haunting issue from my youth to pasture.

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 Post Number: 2
MattimeoZ80 Search for posts by this member.
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PostIcon Posted on: May 16 2001,23:29 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
doesn't water become steam at 212? so technically steam is hotter than boiling water, and water can't become as hot as steam no matter how hot it is.

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CatKnight Search for posts by this member.
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PostIcon Posted on: May 17 2001,00:36 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
how could steam at 212 be hotter then water at 212? think about it. thats like saying a pound of rocks is heaver then a pound of feathers. however, steam has more energy at 212 because it takes energy to vaporize water, so if it's the same temprature in gaseous form it has more energy. therefore steam would burn worse.

edit: my explanation was backwards, thanks SLATE

This message has been edited by CatKnight on May 18, 2001 at 06:43 AM

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PostIcon Posted on: May 17 2001,00:37 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
Umm... at 212 water doesn't 'become' steam, as you say. At 212 water boils. When you're cooking and the water starts to boil does it all instantaneously turn to vapor?
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jim Search for posts by this member.
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PostIcon Posted on: May 17 2001,00:43 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
They would both burn a fuck-load, and that's about as much as I care to know.

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CatKnight Search for posts by this member.
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PostIcon Posted on: May 17 2001,00:49 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
nevermind

This message has been edited by CatKnight on May 17, 2001 at 07:50 PM

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CatKnight Search for posts by this member.
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PostIcon Posted on: May 17 2001,00:52 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
quote:
Originally posted by MattimeoZ80:
and water can't become as hot as steam no matter how hot it is.
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j0eSmith Search for posts by this member.
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PostIcon Posted on: May 17 2001,01:39 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
Steam would burn you worse because the molecules are more excited in the steam form, equalling more collisions with your skin, equalling a greater burn area.

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 Post Number: 9
CatKnight Search for posts by this member.
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PostIcon Posted on: May 17 2001,02:02 Skip to the previous post in this topic. Skip to the next post in this topic. Ignore posts   QUOTE
temprature is the measure of the motion of molecules. pressure is the measure of collisions. same temprature and pressure = same 'excitedness' of the molecules.
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PostIcon Posted on: May 17 2001,02:08 Skip to the previous post in this topic.  Ignore posts   QUOTE
you're dicked either way, whether it be steam or boiling water...

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