We have a liquid in equilibrium with its vapor in a closed burette such that the vapor loss is zero. The burette scale has marks every 0.1 cm. The liquid level is observed one day by 10 students independently and they all agree that it is between 27.4 and 27.5 cm. According to this:(A). the situation is abnormal(B). it would not be illogical that under exactly the same thermodynamic, physical and chemical conditions and without altering the liquid contained in the burette, the next day the 10 students read a volume between 27.6 and 27.7 cm3(C). even if there is no evaporation, the next day the measurement can vary(D). even if the external conditions change, as long as the burette is perfectly closed a volume of between 27.4 and 27.5 cm3 should be measured

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 121QRT
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We have a liquid in equilibrium with its vapor in a closed burette such that the vapor loss is zero. The burette scale has marks every 0.1 cm. The liquid level is observed one day by 10 students independently and they all agree that it is between 27.4 and 27.5 cm. According to this:
(A). the situation is abnormal
(B). it would not be illogical that under exactly the same thermodynamic, physical and chemical conditions and without altering the liquid contained in the burette, the next day the 10 students read a volume between 27.6 and 27.7 cm3
(C). even if there is no evaporation, the next day the measurement can vary
(D). even if the external conditions change, as long as the burette is perfectly closed a volume of between 27.4 and 27.5 cm3 should be measured

 

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