A pure solid has two crystal forms: α and β, and is under transformation from α to β at 1 atm and 25 oC. At 1 atm and 25 oC, the molar enthalpy (or heat) of transformation is ∆Hmo(α à β) = - 0.57 kJ/mol. The internal energy change at 1 atm and 25 oC is ∆Umo(α à β) = - 0.43 kJ/mol. Which of the following statements is TRUE for the density between these two crystal forms? The dentistry of solid α is equal to the dentistry of solid β. The dentistry of solid α is less than the dentistry of solid β. The dentistry of solid α is greater than the dentistry of solid β. Insufficient information to find the density relation between the two types of solid.
A pure solid has two crystal forms: α and β, and is under transformation from α to β at 1 atm and 25 oC. At 1 atm and 25 oC, the molar enthalpy (or heat) of transformation is ∆Hmo(α à β) = - 0.57 kJ/mol. The internal energy change at 1 atm and 25 oC is ∆Umo(α à β) = - 0.43 kJ/mol. Which of the following statements is TRUE for the density between these two crystal forms? The dentistry of solid α is equal to the dentistry of solid β. The dentistry of solid α is less than the dentistry of solid β. The dentistry of solid α is greater than the dentistry of solid β. Insufficient information to find the density relation between the two types of solid.
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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A pure solid has two crystal forms: α and β, and is under transformation from α to β at 1 atm and 25 oC. At 1 atm and 25 oC, the molar enthalpy (or heat) of transformation is ∆Hmo(α à β) = - 0.57 kJ/mol. The internal energy change at 1 atm and 25 oC is ∆Umo(α à β) = - 0.43 kJ/mol. Which of the following statements is TRUE for the density between these two crystal forms?
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The dentistry of solid α is equal to the dentistry of solid β.
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The dentistry of solid α is less than the dentistry of solid β.
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The dentistry of solid α is greater than the dentistry of solid β.
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Insufficient information to find the density relation between the two types of solid. |
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