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
![12. Which substance would be expected to exhibit the greatest vapor pressure at 25°C?
(A) CH3OCH3
(В) С2H5ОН
(С) CН3CH2CH2ОН
(D) HOCH2CH2OH
13.
Ag"(aq) + 2 NH3(aq) Ag(NH3)2**(aq)
For this reaction, K = 1.7 x 107 at 25°C. What is the value of AG° in kJ?
(A) - 41.2
(В) — 17.9
(C) + 17.9
(D) + 41.2
14.
What is the sign of AG" and the value of K for an
electrochemical cell for which E -0.80 V?
AG
K
(A)
>1
(В)
+
>1
(C)
+
< I
(D)
< 1
15. The decomposition of ethane into two methyl radicals has a first order rate constant of
5.5 x 10-4 sec1 at 700°C. What is the half-life for this decomposition in minutes?
(A) 9.1
(B) 15
(C) 21
(D) 30
Silver ions are added to a solution with
[Br]= [CH]= [CO,²]=[AsO,'] = 0.1 M.
Which compound will precipitate at the lowest [Ag']?
16.
(A) AgBr
(K, = 5.0 × 10-")
(B) AgCl
(K„ – 1.8 x 10-")
(C) Ag,CO,
(K„ - 8.1 x 10-)
(D) Ag,AsO, (K„ = 1.0 × 10 ")](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F24eefc23-0e75-424c-a7eb-5a4c78dc2fd3%2Fb7000e83-136f-4d37-b54e-278473f7f03a%2Frgozkd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:12. Which substance would be expected to exhibit the greatest vapor pressure at 25°C?
(A) CH3OCH3
(В) С2H5ОН
(С) CН3CH2CH2ОН
(D) HOCH2CH2OH
13.
Ag"(aq) + 2 NH3(aq) Ag(NH3)2**(aq)
For this reaction, K = 1.7 x 107 at 25°C. What is the value of AG° in kJ?
(A) - 41.2
(В) — 17.9
(C) + 17.9
(D) + 41.2
14.
What is the sign of AG" and the value of K for an
electrochemical cell for which E -0.80 V?
AG
K
(A)
>1
(В)
+
>1
(C)
+
< I
(D)
< 1
15. The decomposition of ethane into two methyl radicals has a first order rate constant of
5.5 x 10-4 sec1 at 700°C. What is the half-life for this decomposition in minutes?
(A) 9.1
(B) 15
(C) 21
(D) 30
Silver ions are added to a solution with
[Br]= [CH]= [CO,²]=[AsO,'] = 0.1 M.
Which compound will precipitate at the lowest [Ag']?
16.
(A) AgBr
(K, = 5.0 × 10-")
(B) AgCl
(K„ – 1.8 x 10-")
(C) Ag,CO,
(K„ - 8.1 x 10-)
(D) Ag,AsO, (K„ = 1.0 × 10 ")
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