21. Gold nanoparticles exhibit a variety of color characteristics at which relative scale? A. 10 -10 В. 10% C. 10 * D. 10 -7 E. 10 4 22. The formation of 1/2A2 + 2B2 + C → CAB4 has an enthalpy of formation of 104 kJ and change in entropy of -60.8 J/K at 30°C. What is the free energy and spontaneity of the reaction? A. - 85.6 kJ, spontaneous B. + 102 kJ, not spontaneous C. -102 kJ, spontaneous D. + 85.6 kJ, not spontaneous E. None of the above 27. What is the reduction potential for the half-reaction at 25°C Al3* + 3e- → AlI, if [AI³*] = 0.10 M and E° = -1.66 V? A. -1.84 V В. -1.60 V C. -1.64 V D -1.66 V E. -1.72 V _28. A piston cylinder contains air at 600 kPa, 290 K and a volume of 0.01m³. A constant pressure process give 54 kJ of work out. Find the final volume of the air. A. 0.05 m³ B. 0.01 m3 C. 0.10 m3 D. 0.15 m3 E. None of the above

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter16: Spontaneity Of Reaction
Section: Chapter Questions
Problem 78QAP
icon
Related questions
Question
From the given choices, please answer numbers 21-22 and 27-28 in the attached image. No need for solution.
21. Gold nanoparticles exhibit a variety of color characteristics at which relative
scale?
А. 10-10
-9
В. 10
C. 10 *
D. 10 -7
E. 10 €
22. The formation of 1/2A2 + 2B2 + C → CAB4 has an enthalpy of formation of
104 kJ and change in entropy of -60.8 J/K at 30°C. What is the free energy and spontaneity of
the reaction?
A. - 85.6 kJ, spontaneous
B. + 102 kJ, not spontaneous
C. -102 kJ, spontaneous
D. + 85.6 kJ, not spontaneous
E. None of the above
27. What is the reduction potential for the half-reaction at 25°C
Al3* + 3e- → AI, if [Al³*] = 0.10 M and E° = -1.66 V?
A. -1.84 V
B. -1.60 V
C. -1.64 V
D -1.66 V
E. -1.72 V
28. A piston cylinder contains air at 600 kPa, 290 K and a volume of 0.01m³. A
constant pressure process give 54 kJ of work out. Find the final volume of the air.
A. 0.05 m³
B. 0.01 m3
C. 0.10 m³
D. 0.15 m3
E. None of the above
Transcribed Image Text:21. Gold nanoparticles exhibit a variety of color characteristics at which relative scale? А. 10-10 -9 В. 10 C. 10 * D. 10 -7 E. 10 € 22. The formation of 1/2A2 + 2B2 + C → CAB4 has an enthalpy of formation of 104 kJ and change in entropy of -60.8 J/K at 30°C. What is the free energy and spontaneity of the reaction? A. - 85.6 kJ, spontaneous B. + 102 kJ, not spontaneous C. -102 kJ, spontaneous D. + 85.6 kJ, not spontaneous E. None of the above 27. What is the reduction potential for the half-reaction at 25°C Al3* + 3e- → AI, if [Al³*] = 0.10 M and E° = -1.66 V? A. -1.84 V B. -1.60 V C. -1.64 V D -1.66 V E. -1.72 V 28. A piston cylinder contains air at 600 kPa, 290 K and a volume of 0.01m³. A constant pressure process give 54 kJ of work out. Find the final volume of the air. A. 0.05 m³ B. 0.01 m3 C. 0.10 m³ D. 0.15 m3 E. None of the above
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Group 2 Elements
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
Chemistry
ISBN:
9781305079243
Author:
Steven S. Zumdahl, Susan A. Zumdahl
Publisher:
Cengage Learning
Chemistry: The Molecular Science
Chemistry: The Molecular Science
Chemistry
ISBN:
9781285199047
Author:
John W. Moore, Conrad L. Stanitski
Publisher:
Cengage Learning
Chemistry: Principles and Practice
Chemistry: Principles and Practice
Chemistry
ISBN:
9780534420123
Author:
Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:
Cengage Learning
Chemistry for Engineering Students
Chemistry for Engineering Students
Chemistry
ISBN:
9781337398909
Author:
Lawrence S. Brown, Tom Holme
Publisher:
Cengage Learning
Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
Chemistry
ISBN:
9781938168390
Author:
Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:
OpenStax