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fatghost13 2012-11-20 12:57 PM

partial pressure

[font="][size=12pt]Amixture of 0.10 gm of H[size=2]2[/size] gas and 0.10 gm of N[size=2]2[/size] gas exertsa pressure of 0.10 atm.
Find the partial pressure of each gas in the mixture.

[/size][/font][font="][size=12pt]N[size=2]2[/size] gas [/size][/font][font="][size=12pt]exertsa pressure of 0.10 atm 係咪等於[/size][/font] [font="][size=12pt]partial pressure of[/size][/font] [font="][size=12pt]N[size=2]2[/size] ?
如果唔係~就問點solve this question
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jmlo 2012-11-20 04:32 PM

回覆 1# 的帖子

[quote] N2 gas exertsa pressure of 0.10 atm 係咪等於 partial pressure of N2 ? [/quote]
0.10 atm is the pressure of H2/N2 mixture but not the pressure of N2 alone.

[quote] 如果唔係~就問點solve this question [/quote]
You have to first find the numbers of moles of H2 and N2, and then take the mole ratio to determine the partial pressure.

For example,

partial pressure of H2 = [(# moles of H2)/(# moles H2 + # moles N2)]*(total pressure of mixture)
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