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Chemistry: The Central Science | 14th Edition | ISBN: 9780134414232 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus ISBN: 9780134414232 1274

Solution for problem 19.20 Chapter 19

Chemistry: The Central Science | 14th Edition

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Chemistry: The Central Science | 14th Edition | ISBN: 9780134414232 | Authors: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus

Chemistry: The Central Science | 14th Edition

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Problem 19.20

As shown here, one type of computer keyboard cleaner contains liquefied 1,1-difluoroethane \(\left(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{~F}_{2}\right)\), 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 \(q_{s y s}\) for the process to be positive or negative?

(c) Predict whether \(\Delta S\) is 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 19.1 and 19.2]

Text Transcription:

(C_2H_4F_2)

q_{s y s}

\Delta S

Step-by-Step Solution:
Step 1 of 3

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Step 2 of 3

Chapter 19, Problem 19.20 is Solved
Step 3 of 3

Textbook: Chemistry: The Central Science
Edition: 14
Author: Theodore E. Brown; H. Eugene LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward; Matthew E. Stoltzfus
ISBN: 9780134414232

This textbook survival guide was created for the textbook: Chemistry: The Central Science, edition: 14. Since the solution to 19.20 from 19 chapter was answered, more than 208 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 29 chapters, and 2820 solutions. The full step-by-step solution to problem: 19.20 from chapter: 19 was answered by , our top Chemistry solution expert on 10/03/18, 06:29PM. The answer to “?As shown here, one type of computer keyboard cleaner contains liquefied 1,1-difluoroethane \(\left(\mathrm{C}_{2} \mathrm{H}_{4} \mathrm{~F}_{2}\right)\), 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 \(q_{s y s}\) for the process to be positive or negative? (c) Predict whether \(\Delta S\) is 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 19.1 and 19.2] Text Transcription:(C_2H_4F_2)q_{s y s}\Delta S” is broken down into a number of easy to follow steps, and 121 words. Chemistry: The Central Science was written by and is associated to the ISBN: 9780134414232.

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