Hydrogen sulfide decomposes according to the following reaction, for which 104 at 1400 K: Kc = 2.20 x 2H₂S (g) ( 2H₂ (g) + S₂ (g) If 25.6 mol of H₂S is placed in a 3.00-L container, what is the equilibrium concentration of H₂?
Hydrogen sulfide decomposes according to the following reaction, for which 104 at 1400 K: Kc = 2.20 x 2H₂S (g) ( 2H₂ (g) + S₂ (g) If 25.6 mol of H₂S is placed in a 3.00-L container, what is the equilibrium concentration of H₂?
Chemistry by OpenStax (2015-05-04)
1st Edition
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter13: Fundamental Equilibrium Concepts
Section: Chapter Questions
Problem 12E: Show that the complete chemical equation, the total ionic equation, and the net ionic equation for...
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Transcribed Image Text:Hydrogen sulfide decomposes according to the following reaction, for which
10-4 at 1400 K:
Kc = 2.20 x
2H₂S (9) → 2H₂ (g) + S₂ (g)
If 25.6 mol of H₂S is placed in a 3.00-L container, what is the equilibrium concentration of H₂?
Submit your work for partial credits at the end of the exam. (optional) You will receive the
full credit if you got correct answer on multiple choices without submission.
a. 0.318
Ob. 2.23E-8
O c. 8.27E-10
O d. 0.159
Transcribed Image Text:stion 12
yet
wered
ts out of
0
lag
stion
Nicotinic acid (also known as niacin or vitamin B3) is water soluble and dissociates to nicotinate
and hydronium ion in water.
Calculate the pH of 0.21 M nicotinate. The K₂ for nicotinic acid is 1.40 x 10-5.
Submit your work to the last part of this exam for partial credits. (Optional) You will get full
credits if you got correct answer on multiple choices without work submission.
O a. 9.091
Ob. 6.909
O c. 8.059
O d. 4.909
Oe. 2.764
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