anonymous
  • anonymous
A certain liquid has a vapor pressure of 92.0 Torr at 23.0 °C and 313.0 Torr at 45.0 °C. Calculate the value of ΔH°vap for this liquid. Calculate the normal boiling point of this liquid. How would I do this? Please help
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@Rohitkhanna
petiteme
  • petiteme
Should you use Clausius-Clapeyron equation?
anonymous
  • anonymous
do I just solve for T2 and use the same values?

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petiteme
  • petiteme
Well, let the normal boiling point be T2
anonymous
  • anonymous
wouldn't that just give me the T that is given in the question ?
petiteme
  • petiteme
Nope. Sorry :/ I suck at explaining chemistry
anonymous
  • anonymous
i just get a very small number
petiteme
  • petiteme
What did you get for ΔH°vap?
anonymous
  • anonymous
im not good at chemistry but let's try
anonymous
  • anonymous
43.55 kj/mol
petiteme
  • petiteme
I used \[\log\frac{ P2 }{ P1 }=\frac{ ΔH }{2.303R }*(\frac{ 1? }{ T1 }-\frac{ 1 }{ T2 })\]
petiteme
  • petiteme
Erase the ?
anonymous
  • anonymous
what is v?
petiteme
  • petiteme
I got 49.78kj
petiteme
  • petiteme
Lol. I don't know if i'm right. Ignore me :))
anonymous
  • anonymous
volume i dont know if that's right , it's been i while i dont see chemistry
anonymous
  • anonymous
lol
anonymous
  • anonymous
sing those number? i dont have V so i dont think i can use that
petiteme
  • petiteme
You saw my equation?
anonymous
  • anonymous
yea
petiteme
  • petiteme
Have you tried it?
anonymous
  • anonymous
yea...and i got 43.55...its ok..i will do the question tmr...im just really tired now
petiteme
  • petiteme
Okies. Just close this question ^_^

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