Chemistry HELP! - Printable Version
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Chemistry HELP! by doughboyy on 10-11-2006 at 04:47 AM
RE: Chemistry HELP! by lordy on 10-11-2006 at 05:35 AM
what exactly does it mean by a 'plateau' exactly? does it mean that it remains at a relatively constant temperature when a state-change is occuring? or is it a plateau in a different context?
RE: Chemistry HELP! by Weyzza on 10-11-2006 at 06:09 AM
I think plateau here means a condition in which a (pure) substance reaches stability.
RE: Chemistry HELP! by doughboyy on 10-11-2006 at 06:11 AM
its this one, "does it mean that it remains at a relatively constant temperature when a state-change is occuring?"
RE: Chemistry HELP! by lordy on 10-11-2006 at 08:22 AM
Ok, it's because at the boiling/melting points, when the state change is occuring, the substance, be it a solid or liquid at the time, absorbs all heat energy until all of the substance has been converted to the new state (liquid or gas). The temperature doesn't rise because all the heat is being absorbed by the substance. That's the simplest way of putting it I spose probably could be worded better too xD. If it doesn't make sense ask me to clarify it