February 27, 2017

Homework Help: chemistry

Posted by Lost on Sunday, January 25, 2009 at 8:41pm.

Benzene has a heat of vaporization of 30.72kj/mol and a normal boiling point of 80.1 C . At what temperature does benzene boil when the external pressure is 410 ? This is how I am solving this problem,
ln(415/760)= (30720/8.314)*(1/80.1 - 1/T2)

It is asking to answer using two significant figures and it keeps telling me I'm incorrect. Any help would be appreciated.


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