daniellao Posted May 8, 2008 Share Posted May 8, 2008 Naphthalene, a substance present in some mothballs, has an enthalpy of vaporization of 49.4kl/mol. If the vapor pressure of naphthalene is .300mmhg at 298K, what is the temp at which the vapor pressure is 7.6x10^2mmhg? Link to comment Share on other sites More sharing options...
John Cuthber Posted May 8, 2008 Share Posted May 8, 2008 http://en.wikipedia.org/wiki/Clapeyron-Clausius_Equation Link to comment Share on other sites More sharing options...
swansont Posted May 8, 2008 Share Posted May 8, 2008 Things that look like homework aren't going to get answered. If you get stuck, show what you've done and people will help. Link to comment Share on other sites More sharing options...
daniellao Posted May 8, 2008 Author Share Posted May 8, 2008 as of so far i tried to put the number into the equation lnp2/p1=hvap/R(1/t1-1/t2) Link to comment Share on other sites More sharing options...
hermanntrude Posted May 9, 2008 Share Posted May 9, 2008 and what happened? that;s all you need to do. plug the numbers in and solve the equation for T2 Link to comment Share on other sites More sharing options...
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