Question

Pls Help!!!
what is the difference between ice at 0 degrees and water at 0 degree?
Aren't both the same???

Answer 1

Remember that the physical state of a substance depends on the temperature and pressure. Plus, at 0 degrees in liquid water coexist both liquid and solid state in a sort of dynamic equilibrium. The same thing happens to Ice at 0 degrees. But for liquid water this equilibrium "helps" the liquid state, for ice of course the solid state. But after a while at the same temperature and pressure both state will reach the same equilibrium liquid/solid.

Answer 2

Ice at 0 degrees C is at a lower energy state than liquid water at 0 degrees C @Melodious But, , ice absorb much more heat to increase its temperature than water at 0 degrees. In consequence, ice is far more effective as a cooling agent than water.