H2O and F2O, which have a higher boiling point?

2007-09-24 5:21 am
which compound, H2O and F2O,would you expect to have a higher boiling point?
Explain your answer.

我有考慮過個大細between H2O and F2O....
但係會唔會同個ELECTRONEGATIVITY有關???

PLX HELP ME...
URGENT*

回答 (3)

2007-09-24 6:07 am
✔ 最佳答案
The boiling point of H2O (OoC) is much higher than that of F2O (-144.75oC).

This is because the hydrogen bonds between H2O molecules are much stronger than the van der Waals’ forces between F2O molecules.
2007-09-24 12:50 pm
F2O :
Melting point −224 °C
Boiling point −145 °C

H2O :
Melting point 0°C
Boiling point 100 °C

i think the major factor is Bond energy
2007-09-24 5:24 am
其實好難比較
H2O FORM到兩個H- BOND

但F2O又pack 得密d

so好難predict波
我唔知邊個effect大d~


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