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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?


To: TigerPaw who wrote (19576)1/13/2008 2:29:05 PM
From: neolib  Read Replies (1) | Respond to of 36921
 
Re: You cannot have heat energy without a difference in hot and cold.

Perhaps that is a law of the field of "Heat Transfer" which clearly makes it distinct from the field of Thermodynamics. LOL!



To: TigerPaw who wrote (19576)1/13/2008 10:29:45 PM
From: HPilot  Read Replies (1) | Respond to of 36921
 
Heat is an absolute measurement of atomic activity, measured in degrees Kelvin above Absolute-Zero, which is the only point at which you would have no energy.

You clearly do not know the difference between heat and temperature.



To: TigerPaw who wrote (19576)1/13/2008 11:34:02 PM
From: Thomas A Watson  Respond to of 36921
 
poor poor tigie, never checks a definition and then opens mouth to receive it's hot foot conducted to it's most frequent home.

Heat, in physics, is energy which is spontaneously flowing from an object with a high temperature to an object with a lower temperature. en.wikipedia.org

Even in the common definition it is transmitted through an object. It is not conducted if there is no difference in temperature.

A form of energy associated with the motion of atoms or molecules and capable of being transmitted through solid and fluid media by conduction, through fluid media by convection, and through empty space by radiation. answers.com



To: TigerPaw who wrote (19576)1/14/2008 2:17:50 PM
From: neolib  Read Replies (4) | Respond to of 36921
 
More correctly you are thinking of enthalpy. Enthalpy, Heat, and Work all have the same units (Joules), so they are all Energy in some form. The difference is that Enthalpy refers to the energy of the system, while both Heat and Work refer to processes that cause energy flows between systems (in the Thermodynamic sense of systems with defined boundaries).

Enthalpy will depend on the atomic content of the system.