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Solved: Visualizing ConceptsAs shown here, one type of

Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780321910417 77

Solution for problem 2E Chapter 19

Chemistry: The Central Science | 13th Edition

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Chemistry: The Central Science | 13th Edition | ISBN: 9780321910417 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 13th Edition

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Problem 2E

Problem

Visualizing Concepts

As shown here, one type of computer keyboard cleaner contains liquefied 1,1 -difluoroethane (C2H4F2), which is a gas at atmospheric pressure. When the nozzle is squeezed, the 1,1 -difluoroethane vaporizes out of the nozzle at high pressure, blowing dust out of objects, (a) Based on your experience, is the vaporization a spontaneous process at room temperature? (b) Defining the 1,1 -difluoroethane as the system, do you expect qeys for the process to be positive or negative? (c) Predict whether A Sis positive or negative for this process, (d) Given your answers to (a), (b), and (c), do you think the operation of this product depends more on enthalpy or entropy?[Sections]

Step-by-Step Solution:
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CHEM I NOTES 8 LEWIS STRUCTURES REPRESENTING COVALENT SPECIES Resonance hybrid- weighted average of its contributors - Only one real structure, can be shown by two or more valid structures though - Delocalized e- The arrow shows that these two are valid and mean the same thing, but have differences So the only difference is on what atoms the bonds are made. In finding which model contributes the most when there are more than just two elements (how the professor will ask questions about this) there are three steps/rules. 1.) Full octets are preferred 2.) The model with fewer non-zero formal charges is more likely to be used 3.) Prefer to carry the negative Formal Charge on the atom with the highest

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Chapter 19, Problem 2E is Solved
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Textbook: Chemistry: The Central Science
Edition: 13
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780321910417

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Solved: Visualizing ConceptsAs shown here, one type of