From: black.hole.4.spam{at}gmail.com (Don Hills)

In article
,
"John Beamish"  wrote:
>IIRC from my grade 10 physics/chem class:  change of state of matter from
>gas-to-liquid or liquid-to-solid or the return route involves substantial
>energy transfer.  Once the change of state occurs, the energy involved in
>further transitions within the state is demonstrably less.

Indeed, as the figures in my post illustrated.  Two thirds of the
energy used to get water from +20C to -20C is used to get it through the 0C
phase change.

--
Don Hills    (dmhills at attglobaldotnet)     Wellington, New Zealand
"New interface closely resembles Presentation Manager,
 preparing you for the wonders of OS/2!"
    -- Advertisement on the box for Microsoft Windows 2.11 for 286

--- BBBS/NT v4.01 Flag-5