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...
Related questions
Question
![2 Cr(s) + 3 Cu*2(aq) → 2 Cr*³(aq) + 3 Cu (s)
E° = 0.43 V
Which expression gives the value for AG" in kJ'mol ' for
this reaction at 25 °C?
(A) -6 × 8.31 × 0.43 × 1000
-6 x 96500 × 0.43 × 1000
(В)
8.31
-6 x 96500 x 0.43
(C)
1000
-6 x 8.31 x 0.43
(D)
1000
What is the voltage for this cell when [Cu*"] = 1.0 M and
[Cr*"] = 0.010 M?
(A) 1.2
(В) 0.87
(C) 0.47
(D) 0.39
The molar mass of a gas with a density of 5.8 g·L' at
25 °C and 740 mm Hg is closest to
(A) 10 g-mol '
(B) 20 g-mol
(C) 150 g•mol
(D) 190 g-mol '](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5623a21-96a6-4e52-bd12-f1a647763b36%2F3484f56f-b998-4b7b-8652-286585f9d4e6%2Frtyiydz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2 Cr(s) + 3 Cu*2(aq) → 2 Cr*³(aq) + 3 Cu (s)
E° = 0.43 V
Which expression gives the value for AG" in kJ'mol ' for
this reaction at 25 °C?
(A) -6 × 8.31 × 0.43 × 1000
-6 x 96500 × 0.43 × 1000
(В)
8.31
-6 x 96500 x 0.43
(C)
1000
-6 x 8.31 x 0.43
(D)
1000
What is the voltage for this cell when [Cu*"] = 1.0 M and
[Cr*"] = 0.010 M?
(A) 1.2
(В) 0.87
(C) 0.47
(D) 0.39
The molar mass of a gas with a density of 5.8 g·L' at
25 °C and 740 mm Hg is closest to
(A) 10 g-mol '
(B) 20 g-mol
(C) 150 g•mol
(D) 190 g-mol '
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