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The enthalpy of vaporization of Substance X is 7.00molkJ and its normal boiling point is 86.C. Calculate the vapor pressure of X at 142. C.

The enthalpy of vaporization of Substance X is 7.00molkJ and its normal boiling point is 86.C. Calculate the vapor pressure of X at 142. C. Round your answer to 2 significant digits

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