Apologies to members : Typo
< in this webpage. The URL is:
http://build.tripod.lycos.com/trellix/sitebuilder/f_edit_page.html >
Please click " Cosmic Visualization " at URL:
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With regards
Lew
FHLew wrote:
At 5:34 PM 1/7/97, Scott Little wrote:
< In the very latest issue of IE (vol 2 no 10), on page 59, there is
a paper
by Peter Graneau. In the introduction he says:
Water is a liquid because the H2O molecules attract each other. This
attraction is the basis of liquid cohesion. The energy associated with
the
attracting molecules is potential energy. >
The Topics may be of interest:
1. Chemical Bonds and Attractive Forces
1. The Water Splitting Clock
in this webpage. The URL is:
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With regards
Lew
Stephen A. Lawrence wrote:
Horace Heffner wrote:
The following vortex posts on the subject of Graneau may be of
interest.
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At 5:34 PM 1/7/97, Scott Little wrote:
In the very latest issue of IE (vol 2 no 10), on page 59, there is
a paper
by Peter Graneau. In the introduction he says:
Water is a liquid because the H2O molecules attract each other. This
attraction is the basis of liquid cohesion. The energy associated
with the
attracting molecules is potential energy.
Uh huh. And in liquid water that potential energy is negative, not
positive, if we assume it starts at ~0 in the gas phase.
This whole discussion of binding energy seems very strange -- the
atoms start out at the top of the slope, and when they aggregate into
molecules, they slide down the slope and give up energy; you never
pump energy _in_ to get them to stick together! When molecules get
together in a liquid, they slide farther down the slope; again,
energy is given up.
To get energy out of chemical bonds you need to replace them with
other chemical bonds which are farther "down the slope". To get
energy out of a liquid you need to replace it with a different phase
which is also farther downslope.
It was acquired from water vapor
molecules when they first condensed to rain drops.
At that point they gave it up -- the potential energy turned into
kinetic energy.
The vapor molecule is
stopped when it strikes the liquid surface of a drop. In the
process the
kinetic energy of the vapor molecule is converted to binding energy
in the
drop.
But this is, like, backwards, isn't it? You _gain_ kinetic energy
when the molecules join up, you don't lose it! Otherwise sweating,
which runs the process backwards, would make you hotter.
