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GWG asked a simple physics question. If you had a regular fridge in a thermodynamically sealed room and you opened the door, would the temperature in the room change? If so, would it get hotter or colder?
Wednesday, October 16, 2024 @ 08:51:29 (UTC)
Wednesday, October 16, 2024 @ 04:51:29 EDT
"There are a terrible lot of lies going around the world, and the worst of it is half of them are true."
Thursday, June 01, 2006 at 03:19:07 (UTC)
Is time a factor? Are we doing empirical results or purely theoretical? If so, then
G = H-TS (if memory serves). Then dG =dH -dTS.
If the room is sealed, then dH would be equal to 0. Therefore dG = -dTS or dG/dS =-dT. Since system is in equilibrium, the dG should be 0, therefore dT = 0.
Right?!
Danger-Feynam
Friday, June 02, 2006 at 14:24:05 (UTC)
But work is required to shunt heat from the inside of the fridge to the outside of the fridge. If we had a 100% efficient fridge then I may agree.
QYV
Friday, June 02, 2006 at 16:21:23 (UTC)
Is electricity an input to the system, or is electrical generation all considered to be inside the system
girl