2006-12-19 17:40:48 · 3 answers · asked by hash 1 in Science & Mathematics ➔ Chemistry
Many students who have seen the classroom demonstration where iodine crystals are gently heated in a test tube come away with the impression that liquid iodine cannot exist at atmospheric pressure. This misconception arises because sublimation occurs without the intermediacy of liquid. The truth is that if iodine crystals are heated carefully to their melting point of 113.7 °C, the crystals will fuse into a liquid, which will be present under a dense blanket of the vapour.
2006-12-19 17:46:09 · answer #1 · answered by James Chan 4 · 0⤊ 0⤋
False. Pure liquid iodine can exist but you have to find the right temputure and the right pressure to keep it in a liquid form.
2006-12-20 01:48:33 · answer #2 · answered by Mr Hex Vision 7 · 0⤊ 0⤋
true, because everything now days is processed to the limit.
2006-12-20 01:49:16 · answer #3 · answered by karen v 6 · 0⤊ 3⤋