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The enthalpy of vaporization of Substance X is 21.0 kJ/mol and its normal boiling point is 75 C. Calculate the vapor pressure of X at

The enthalpy of vaporization of Substance X is 21.0 kJ/mol and its normal boiling point is 75 C. Calculate the vapor pressure of X at -99 C. Round your answer to 2 significant digits. image text in transcribed
The enthalpy of vaporization of Substance X is 21.0molkJ and its normal boiling point is 75.C. Calculate the vapor pressure of X at 99.C. Round your answer to 2 significant digits

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