Asked by jillian
what is the freezing point of pure acetic acid being stirred and not being stirred. also at what point does it become a solid then a liquid, and vice versa.
Answers
Answered by
DrBob222
I'm not sure what brought these questions on but the freezing point of anything is not a function of it being stirred or not.
When a solid is heated slowly (and best with stirring so the heating is uniform), the solid will begin to melt. At the point that both solid and liquid are present, the temperature reading is the melting point (freezing point). Adding heat will cause more solid to melt (but the temperature will not change) and cooling slightly will cause some of the liquid to solidify (but the temperature will not change). That is, the melting point (freezing point) is the temperature at which both solid and liquid are in equilibrium. When adding heat, the temperature will not increase until all of the solid has melted.
When a solid is heated slowly (and best with stirring so the heating is uniform), the solid will begin to melt. At the point that both solid and liquid are present, the temperature reading is the melting point (freezing point). Adding heat will cause more solid to melt (but the temperature will not change) and cooling slightly will cause some of the liquid to solidify (but the temperature will not change). That is, the melting point (freezing point) is the temperature at which both solid and liquid are in equilibrium. When adding heat, the temperature will not increase until all of the solid has melted.
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