1 1. For sodium perchlorate, AH =U = -382.9 and AHae) =AH&ydration =-369.5.%3DmolWhat is AHn ? Is it an endothermic or exothermic process to dissolve sodium perchlorate? How doyou know?2. When 2.74 g of phosphorus is dissolved in 100.0 mL of CS2, the boiling point is observed to be 46.71*C. For CS2, the normal boiling point is 46.30 °C, the density of CS, is 1.261 and Kip is 2.34* What is the molecular formula for phosphorus? (Hint: think of Oz as the molecular formula foraxygen)3. When 200.0 mg of linalool was added to 100.0 g of camphor the freezing point was lowered by 0.51°C. What is the molar mass of linalool calculated from its colligative property data? What is the newboiling point of the solution? What is the molarity, weight percent, molality, and ppm concentrationof linalool? The density of camphor (and the solution) is 0.992 . the boiling point is 204 "C, thefreezing point is 179.75 °C. You will need to find K, and K, for camphor as they are not in your text-be sure to cite your source.

Given that, for sodium perchlorate, ∆H0fs = U =-382.9 KJ/mol. Also, ∆H0faq =∆H0hydration = -369.5…

Answered: 1. For sodium perchlorate, AH =U=…

1. For sodium perchlorate, AH =U= -382.9 and AH) =AHRydrationm =-369.5. What is AH,oln ? Is it an endothermic or exothermic process to dissolve sodium perchlorate? How do you know? 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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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

1. For sodium perchlorate, AH =U = -382.9 and AHae) =AH&ydration =-369.5.
%3D
mol
What is AHn ? Is it an endothermic or exothermic process to dissolve sodium perchlorate? How do
you know?
2. When 2.74 g of phosphorus is dissolved in 100.0 mL of CS2, the boiling point is observed to be 46.71
*C. For CS2, the normal boiling point is 46.30 °C, the density of CS, is 1.261 and Kip is 2.34
* What is the molecular formula for phosphorus? (Hint: think of Oz as the molecular formula for
axygen)
3. When 200.0 mg of linalool was added to 100.0 g of camphor the freezing point was lowered by 0.51
°C. What is the molar mass of linalool calculated from its colligative property data? What is the new
boiling point of the solution? What is the molarity, weight percent, molality, and ppm concentration
of linalool? The density of camphor (and the solution) is 0.992 . the boiling point is 204 "C, the
freezing point is 179.75 °C. You will need to find K, and K, for camphor as they are not in your text
-be sure to cite your source.

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