evaporation and boiling有咩分別ar??
最好有埋例子ar...
2006-11-04 07:09:09 · 2 個解答 · 發問者 ? 1 in 科學 ➔ 其他:科學
Evaporation:
Occurs at any temperature
Occurs at the surface of the liquid
No bubbles formed
Boiling:
Occurs at a definite temperature --- the boiling point
Occurs within liquid
Bubbles appear
2006-11-13 21:17:22 補充:
Example of evaporation:Wet clothes and puddles of water dry in air because of evaporation.Example of boiling:When the water has been heated to 100°C, it boils and become the water vapour.
2006-11-04 10:37:34 · answer #1 · answered by KIT WAN 5 · 0⤊ 0⤋
以一大氣壓力之下的水作為例子
任何溫度之下液態水化為蒸氣都可稱為蒸發---evaporation 。
在100oC時,液態水中的任何地方都同時發生氣化的變化,稱為沸騰---boiling。
2006-11-04 10:39:00 · answer #2 · answered by ? 7 · 0⤊ 0⤋