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The enthalpy of vaporization of Substance X is 18.0- and its normal boiling point is -93. °C. Calculate the vapor pressure of X at -129. °C. mol Round your answer to 2 significant digits.

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter10: Liquids And Solids

Section: Chapter Questions

Problem 44E: The enthalpy of vaporization of water is larger than its enthalpy of fusion. Explain why.

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Question

The enthalpy of vaporization of Substance X is 18.0-
and its normal boiling point is -93. °C. Calculate the vapor pressure of X at -129. °C.
mol
Round your answer to 2 significant digits.

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