Chemistry for Engineering Students
3rd Edition
ISBN: 9781285199023
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Chapter 10, Problem 10.17PAE
Interpretation Introduction
Interpretation:
Alice explains to Humpty the probability of him falling off the wall, and the probability that King’s horses and men will be able to put him back together again.
Concept Introduction: Probability is the extent to which something is likely to happen. Higher the probability, higher is the likelihood of something happening.
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Calculating the pH of a salt solution
Calculate the pH at 25 °C of a 0.29M solution of potassium butanoate (KC3H,CO2). Note that butanoic acid (HC3H,CO2) is a weak acid with a pKa of 4.82.
Round your answer to 1 decimal place.
pH =
-0
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18
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:
At a certain temperature, the equilibrium constant K for the following reaction is 1.58 × 10-12
N2(g) + O2(g) = 2 NO(g)
Use this information to complete the following table.
Suppose a 38. L reaction vessel is filled with 0.93 mol of N2 and
0.93 mol of O2. What can you say about the composition of the
mixture in the vessel at equilibrium?
There will be very little N2 and O2.
There will be very little NO.
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What is the equilibrium constant for the following reaction? Be
sure your answer has the correct number of significant digits.
3 N2(9)+302(g)
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K = ☐
K = ☐
☐ X10
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D
?
000
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B
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Chapter 10 Solutions
Chemistry for Engineering Students
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