talking about air exchange and why?
2007-02-08 07:06:37 · 11 answers · asked by Anonymous in Science & Mathematics ➔ Physics
2nd law of thermodynamics. Simply put, things will even out (in this case temperature) over time.
Cold is the absence of heat. Things feel cold to you because they are absorbing your heat.
2007-02-08 07:17:29 · answer #1 · answered by Marcus S 3 · 0⤊ 1⤋
As said above cold is not real. Cold is in reality the absence of heat.
Thus "heat energy" (for ignorance of a better term) moves as other energy, from more to less.
Say you have a room full of grain, if you open the door the grain will spill out the door into the open air beyond.
I suggest using the link I supplied below.
2007-02-08 15:16:51 · answer #2 · answered by Z. Tribal 2 · 0⤊ 0⤋
Hot moves to cold. For example, hot air moves to fill in cold air. Hot water moves to fill in cold water. The reason for the movement is to reach a balance, or equilibrium.
2007-02-08 15:26:45 · answer #3 · answered by Ms. G... the O.G. 2 · 1⤊ 0⤋
In VERY simple heat exchange principles, heat will always flow from HOT to COLD.
The molecules of a hot substance are in greater motion than those of the cold. They will be the ones which collide with 'crash into' the colder molecules and cause them to mover faster thus transferring the heat from hot to cold.
The only 'Absence of heat' is at Absolute Zero temperature (not quite achievable). At ANY temperature above 0°K (or 0°R), molecules are in motion and the substance contains heat energy.
2007-02-08 15:39:40 · answer #4 · answered by Norrie 7 · 0⤊ 0⤋
There is no such a thing as cold. It's just a matter of how much heat something has. An object that is lacking head we refer to as cold.
Knowing that I would have to say. Hot moves to "cold".
2007-02-08 15:39:20 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Heat always moves from higher energy to lower. Hot to cold. Cold is a lack of heat not a thing just like dark is a lack of light.
2007-02-08 15:09:48 · answer #6 · answered by Gene 7 · 2⤊ 1⤋
A trick is to remember that there is no such thing as cold. There are varying degrees of heat. There is either alot of heat , or not. It's true of most things that whatever it is youa re talking about will tend to move from areas of high concentration to areas of low concentration. Heat is no different.
2007-02-08 16:04:42 · answer #7 · answered by Louis G 6 · 0⤊ 1⤋
Cold air tends to move to displace hot air, because it is heavier. It pushes the hot air up.
If you want the hot air to go somewhere else, you have to move it with fans.
2007-02-08 15:31:12 · answer #8 · answered by morningfoxnorth 6 · 0⤊ 2⤋
Cold is the absence of heat, so heat would move to cold.
2007-02-08 15:12:32 · answer #9 · answered by unpop5 3 · 2⤊ 1⤋
damn, the first guy beat me...its the second law of thermodynamics
2007-02-08 15:13:56 · answer #10 · answered by butch 2 · 2⤊ 0⤋