thanks :) The boiling point and freezing points of a solution differs from those of the pureliquid. This can be explained in terms of vapor pressure. Since the vaporpressure of the solvent above the solution is lower, a higher temperature isneeded to reach a point where the vapor pressure of the liquid meets therequired 1 atm, and the boiling point is elevated. The lower vapor pressurechanges the entire phase diagram for the solvent, and the resulting changepushes the triple point of the solution to a lower temperature value. The solid-liquid phase equilibria curve is related to the location of the triple point, and thefreezing point is also lower.The change in the boiling point for a solution containing a molecular solute,AT, can be calculated using the equationATb = Kb.min which m is the molality of the solution and K₁ is the molal boiling-point-elevation constant for the solvent. The freezing-point depression, ATF, can becalculated in a similar manner usingAT₁ = Kf.min which m is the molality of the solution and Kf is the molal freezing-point-depression constant for the solvent. Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator fluid used in most cars is a half-and-half mixture of water and antifreeze.What is the freezing point of radiator fluid that is 50% antifreeze by mass?Kf for water is 1.86 °C/m.Express your answer to three significant figures and include the appropriate units.► View Available Hint(s)μAValueHÅUnitsWhat is the boiling point of radiator fluid that is 50% antifreeze by mass?K for water is 0.512 °C/m.Express your answer to one decimal place and include the appropriate units.▸ View Available Hint(s)Value?Units?

Depression in freezing point is ∆Tf=Kf×m Elevation in boiling point is ∆Tb=Kb×m To get the…

Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator fluid used i most cars is a half-and-half mixture of water and antifreeze. What is the freezing point of radiator fluid that is 50% antifreeze by mass? K for water is 1.86 °C/m. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) μA Value LO What is the boiling point of radiator fluid that is 50% antifreeze by mass? Kh for water is 0.512 °C/m. Express your answer to one decimal place and include the appropriate units. ► View Available Hint(s) μÅ Units Value ? Units ?

Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator fluid used i most cars is a half-and-half mixture of water and antifreeze. What is the freezing point of radiator fluid that is 50% antifreeze by mass? K for water is 1.86 °C/m. Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) μA Value LO What is the boiling point of radiator fluid that is 50% antifreeze by mass? Kh for water is 0.512 °C/m. Express your answer to one decimal place and include the appropriate units. ► View Available Hint(s) μÅ Units Value ? Units ?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

thanks :)

The boiling point and freezing points of a solution differs from those of the pure
liquid. This can be explained in terms of vapor pressure. Since the vapor
pressure of the solvent above the solution is lower, a higher temperature is
needed to reach a point where the vapor pressure of the liquid meets the
required 1 atm, and the boiling point is elevated. The lower vapor pressure
changes the entire phase diagram for the solvent, and the resulting change
pushes the triple point of the solution to a lower temperature value. The solid-
liquid phase equilibria curve is related to the location of the triple point, and the
freezing point is also lower.
The change in the boiling point for a solution containing a molecular solute,
AT, can be calculated using the equation
ATb = Kb.m
in which m is the molality of the solution and K₁ is the molal boiling-point-
elevation constant for the solvent. The freezing-point depression, ATF, can be
calculated in a similar manner using
AT₁ = Kf.m
in which m is the molality of the solution and Kf is the molal freezing-point-
depression constant for the solvent.

Ethylene glycol, the primary ingredient in antifreeze, has the chemical formula C₂H6O₂. The radiator fluid used in most cars is a half-and-half mixture of water and antifreeze.
What is the freezing point of radiator fluid that is 50% antifreeze by mass?
Kf for water is 1.86 °C/m.
Express your answer to three significant figures and include the appropriate units.
► View Available Hint(s)
μA
Value
HÅ
Units
What is the boiling point of radiator fluid that is 50% antifreeze by mass?
K for water is 0.512 °C/m.
Express your answer to one decimal place and include the appropriate units.
▸ View Available Hint(s)
Value
?
Units
?

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