Is it true or false that pure, crystalline solids freeze and melt at the same temperature?

Question

Thanks in advance.

Answer 1

Yes. Water freezes at 0 degrees celsius and ice melts at 0 degrees celsius. It depends on which way you are going.

Answer 2

Theorethically sure, yet experimentally no. once you warmth some thing up you're offering lots of warmth and that warmth could have time to circulate to throught the partitions of the capillary tube to the solid, and additionally you always get a melting element selection that's greater than what's could be. once you cool it down slowely, the liquid and robust capilary tub coll on an identical fee and whilst the liquid freezes, you frequently get a pointy freezing element, that's lots nearer to the truthfully fee of your pattern.

Answer 3

freezing and melting point are always same