boiling point of 78.4 °C. Part A What is the vapour pressure of ethanol at 12 °C? (Hint: a normal boiling point refers to a vapour pressure of 1 atm, which is equivalent to 1013.25 mbar) Express your answer using two significant figures. P= mbar

boiling point of 78.4 °C. Part A What is the vapour pressure of ethanol at 12 °C? (Hint: a normal boiling point refers to a vapour pressure of 1 atm, which is equivalent to 1013.25 mbar) Express your answer using two significant figures. P= mbar

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 13ALQ

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Question

Ethanol has a heat of vaporization of 38.56kJ mol
boiling point of 78.4 °C.
and a normal
Part A
What is the vapour pressure of ethanol at 12 °C?
(Hint: a normal boiling point refers to a vapour pressure of 1 atm, which is equivalent to 1013.25 mbar)
Express your answer using two significant figures.
ν ΑΣφ
?
P =
mbar

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