Answer to Question #52254 in Physical Chemistry for vi

Question #52254
Which of the following statements is true about compounds and mixtures? Both mixtures and compounds always contain a fixed proportion of elements by mass. Unlike compounds, very little or no exchange of energy occurs during the formation of mixtures. A mixture cannot be easily separated into its constituents while constituents of a compound can be easily separated. Compounds and mixtures can be separated into its constituents by chemical methods. 5 __________ is the ratio of molar enthalpy of a liquid to its boiling point. Raoult's law Enthalpy rule Trouton’s rule Entropy rule 6 The temperature at which the vapor pressure of a liquid equals the external pressure is called its _____________. Boiling point freezing point Melting point Condensation point 7 What law states that the vapor pressure of a solution containing a non-volatile solute is equal to the vapor pressure of pure solvent times the mole fraction of the solvent? Gay-Lussac’s Law Raoult's law Henry's law Dalton's law
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Expert's answer
2015-05-06T10:34:51-0400
Unlike compounds, very little or no exchange of energy occurs during the formation of mixtures.
Trouton’s rule
Boiling point
Raoult's law

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