What is the Delta H in the Clausius Clapeyron equation?

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mygymnst
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Hi I am stuck on this question. I am given the slope of a ln vapor pressure vs. invert kelvin temp equals -8.000 x 10^3 K. I am supposed to find delta H (or the heat of vaporization). If anyone could help that would be great!
 
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Can you write out the Clausius-Clapeyron equation for us?
 
ln P= [-delta H (heat of vaporizaiton)/R] * [1/T] + C

R=8.3145 j/mol