Q1: calculate the density of solute (10 ml benzene) in liquid mixture if the mole fraction of solvent ( 20ml carbon tetrachloride and ) 0.342 and the density of solvent (1590 Kg/m) at 30 °C ?Atwt(C=12,Cl=35.5,H=1) g/ molQ2: When adding( 5 g) of salt to( 0.23 L) of hot water(40 °C) inside the calorimeter, the density of thesolution is 2.56 g / ml and the temperature of the solution decreased by( 5 K). Calculate the molecularweight of the salt? Knowing that the calorimeter constant is 2.98 kJ / mol at 20° C, the heat of solubilitythe solution is (123 J / mol) and ( specific heat of the salt ( 0.774 J/g.°C).Q3 : When nitric acid is added to the water, the temperature of the solution increases, while addingpotassium chloride to the water, the temperature of the solution decreases. Why? What is the scientificname for these two cases.Q4: The excess molar volume of liquid mixtures in some solutions appears negative, while in others itappears positive. Why?

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Q1: calculate the density of solute (10 ml benzene) in liquid mixture if the mole fraction of solvent ( 20 ml carbon tetrachloride and ) 0.342 and the density of solvent (1590 Kg/m³) at 30 °C ? Atwe(C=12,Cl=35.5,H=1) g/ mol

Q1: calculate the density of solute (10 ml benzene) in liquid mixture if the mole fraction of solvent ( 20 ml carbon tetrachloride and ) 0.342 and the density of solvent (1590 Kg/m³) at 30 °C ? Atwe(C=12,Cl=35.5,H=1) g/ mol

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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