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Question
The pH of aqueous 0.10 M pyridine (C5H5N) ion is 9.09. What is the Kb of this base?
A.8.0 10-10
B.1.5 10-9
C.9.0 10-6
D.1.6 10-5
E.1.2 10-5
Answer
This answer is hidden. It contains 2 characters.
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Q:
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Q:
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Q:
Hydrogen peroxide decomposes into water and oxygen in a first-order process.
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At 20.0 C, the half-life for the reaction is 3.92 104 seconds. If the initial concentration of hydrogen peroxide is 0.52 M, what is the concentration after 7.00 days?
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Q:
A student analyzed a first-order reaction and obtained the graph below. Unfortunately, the student forgot to label the axes. What are the correct labels for the x and y axes? A.x axis = time, y axis = ln[A]
B.x axis = ln[time], y axis = [A]
C.x axis = ln[time], y axis = [A]
D.x axis = time, y axis = 1/[A]
E.x axis = 1/time, y axis = 1/[A]
Q:
________ are colloidal dispersions of one liquid in another liquid.