Chemistry (7th Edition)
7th Edition
ISBN: 9780321943170
Author: John E. McMurry, Robert C. Fay, Jill Kirsten Robinson
Publisher: PEARSON
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Chapter 14, Problem 14.129CP
(a)
Step 1:
Interpretation Introduction
To classify:
That the catalyst increases the forward and reverse rates by the same factor.
(b)
Step 2:
Interpretation Introduction
To classify:
That the catalyst does not affect the equilibrium constant
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Using the conditions of spontaneity to deduce the signs of AH and AS
Use the observations about each chemical reaction in the table below to decide the sign (positive or negative) of the reaction enthalpy AH and reaction entropy
AS.
Note: if you have not been given enough information to decide a sign, select the "unknown" option.
reaction
observations
conclusions
A
This reaction is always spontaneous, but
proceeds slower at temperatures above
120. °C.
ΔΗ is
(pick one)
AS is
(pick one)
ΔΗ is
(pick one)
B
This reaction is spontaneous except above
117. °C.
AS is
(pick one)
ΔΗ is
(pick one)
This reaction is slower below 20. °C than
C
above.
AS is
|(pick one)
?
18
Ar
1
Calculating the pH at equivalence of a titration
Try Again
Your answer is incorrect.
0/5
a
A chemist titrates 70.0 mL of a 0.7089 M hydrocyanic acid (HCN) solution with 0.4574M KOH solution at 25 °C. Calculate the pH at equivalence. The pK of
hydrocyanic acid is 9.21.
Round your answer to 2 decimal places.
Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of KOH solution added.
pH
=
11.43]
G
00.
18
Ar
B•
Chapter 14 Solutions
Chemistry (7th Edition)
Ch. 14 - Prob. 14.1PCh. 14 - APPLY 14.2 Nitrogen dioxide, a pollutant that...Ch. 14 - Prob. 14.3PCh. 14 - APPLY 14.4 Lactic acid, which builds up in muscle...Ch. 14 - Conceptual PRACTICE 14.5 The following pictures...Ch. 14 - Conceptual APPLY 14.6 The equilibrium constant...Ch. 14 - PRACTICE 14.7 In the industrial synthesis of...Ch. 14 - APPLY 14.8 At 25 °C, Kp = 25 for the reaction...Ch. 14 - Prob. 14.9PCh. 14 - APPLY 14.10For the reaction...
Ch. 14 - Prob. 14.11PCh. 14 - APPLY 14.12 Magnesium hydroxide is the active...Ch. 14 - Prob. 14.13PCh. 14 - Prob. 14.14ACh. 14 - Prob. 14.15PCh. 14 - Conceptual APPLY 14.16 The reaction A2 + B2 2...Ch. 14 - PRACTICE 14.17 The H2/CO ratio in mixtures of...Ch. 14 - APPLY 14.18 Calculate the equilibrium...Ch. 14 - PRACTICE 14.19 Calculate the equilibrium...Ch. 14 - APPLY 14.20 Calculate the equilibrium...Ch. 14 - Prob. 14.21PCh. 14 - Prob. 14.22ACh. 14 - Prob. 14.23PCh. 14 - Prob. 14.24ACh. 14 - Prob. 14.25PCh. 14 - Prob. 14.26ACh. 14 - Prob. 14.27PCh. 14 - Prob. 14.28ACh. 14 - Prob. 14.29PCh. 14 - Prob. 14.30ACh. 14 - Prob. 14.31PCh. 14 - Prob. 14.32ACh. 14 - Prob. 14.33PCh. 14 - Prob. 14.34PCh. 14 - Prob. 14.35PCh. 14 - Prob. 14.36PCh. 14 - PROBLEM 14.37 The affinity of hemoglobin (Hb) for...Ch. 14 - Prob. 14.38PCh. 14 - Prob. 14.39CPCh. 14 - The following pictures represent the equilibrium...Ch. 14 - The reaction A2+BA+AB has an equilibrium constant...Ch. 14 - Prob. 14.42CPCh. 14 - Prob. 14.43CPCh. 14 - Prob. 14.44CPCh. 14 - The following pictures represent equilibrium...Ch. 14 - Prob. 14.46CPCh. 14 - Prob. 14.47CPCh. 14 - Prob. 14.48CPCh. 14 - Prob. 14.49CPCh. 14 - Prob. 14.50SPCh. 14 - Identify the true statement about the...Ch. 14 - Prob. 14.52SPCh. 14 - Prob. 14.53SPCh. 14 - For each of the following equilibria, write the...Ch. 14 - Prob. 14.55SPCh. 14 - Prob. 14.56SPCh. 14 - Prob. 14.57SPCh. 14 - For each of the following equilibria, write the...Ch. 14 - Prob. 14.59SPCh. 14 - 14.60 If Kc = 7.5 × 10-9 at 1000 K for the...Ch. 14 - Prob. 14.61SPCh. 14 - Prob. 14.62SPCh. 14 - Prob. 14.63SPCh. 14 - Prob. 14.64SPCh. 14 - Prob. 14.65SPCh. 14 - Prob. 14.66SPCh. 14 - Prob. 14.67SPCh. 14 - Prob. 14.68SPCh. 14 - Prob. 14.69SPCh. 14 - Prob. 14.70SPCh. 14 - Prob. 14.71SPCh. 14 - Prob. 14.72SPCh. 14 - Prob. 14.73SPCh. 14 - Prob. 14.74SPCh. 14 - Prob. 14.75SPCh. 14 - Prob. 14.76SPCh. 14 - Prob. 14.77SPCh. 14 - Prob. 14.78SPCh. 14 - Prob. 14.79SPCh. 14 - Prob. 14.80SPCh. 14 - Prob. 14.81SPCh. 14 - Prob. 14.82SPCh. 14 - Prob. 14.83SPCh. 14 - Prob. 14.84SPCh. 14 - Prob. 14.85SPCh. 14 - Prob. 14.86SPCh. 14 - Prob. 14.87SPCh. 14 - Prob. 14.88SPCh. 14 - Prob. 14.89SPCh. 14 - Prob. 14.90SPCh. 14 - Prob. 14.91SPCh. 14 - Prob. 14.92SPCh. 14 - Prob. 14.93SPCh. 14 - Prob. 14.94SPCh. 14 - Prob. 14.95SPCh. 14 - Prob. 14.96SPCh. 14 - Prob. 14.97SPCh. 14 - Prob. 14.98SPCh. 14 - Prob. 14.99SPCh. 14 - Prob. 14.100SPCh. 14 - Prob. 14.101SPCh. 14 - Prob. 14.102SPCh. 14 - Prob. 14.103SPCh. 14 - Prob. 14.104SPCh. 14 - Consider the endothermic reaction...Ch. 14 - Prob. 14.106SPCh. 14 - Prob. 14.107SPCh. 14 - Prob. 14.108SPCh. 14 - Prob. 14.109SPCh. 14 - Prob. 14.110SPCh. 14 - Prob. 14.111SPCh. 14 - Prob. 14.112SPCh. 14 - Prob. 14.113SPCh. 14 - Prob. 14.114SPCh. 14 - Prob. 14.115SPCh. 14 - Prob. 14.116SPCh. 14 - Prob. 14.117SPCh. 14 - Prob. 14.118SPCh. 14 - Forward and reverse rate constants for the...Ch. 14 - Prob. 14.120CPCh. 14 - Prob. 14.121CPCh. 14 - Prob. 14.122CPCh. 14 - Prob. 14.123CPCh. 14 - Prob. 14.124CPCh. 14 - Prob. 14.125CPCh. 14 - Prob. 14.126CPCh. 14 - Prob. 14.127CPCh. 14 - Prob. 14.128CPCh. 14 - Prob. 14.129CPCh. 14 - Prob. 14.130CPCh. 14 - At 1000 K, Kp, = 2.1 106 and H=107.7kJ for the...Ch. 14 - Prob. 14.132CPCh. 14 - Prob. 14.133CPCh. 14 - Prob. 14.134CPCh. 14 - Prob. 14.135CPCh. 14 - Prob. 14.136CPCh. 14 - Prob. 14.137CPCh. 14 - Prob. 14.138CPCh. 14 - Prob. 14.139CPCh. 14 - Prob. 14.140CPCh. 14 - Prob. 14.141CPCh. 14 - Prob. 14.142CPCh. 14 - Prob. 14.143CPCh. 14 - Prob. 14.144CPCh. 14 - Prob. 14.145CPCh. 14 - Prob. 14.146CPCh. 14 - Prob. 14.147MPCh. 14 - Prob. 14.148MPCh. 14 - Prob. 14.149MPCh. 14 - Prob. 14.150MPCh. 14 - Prob. 14.151MPCh. 14 - Prob. 14.152MPCh. 14 - Prob. 14.153MPCh. 14 - Prob. 14.154MPCh. 14 - Prob. 14.155MPCh. 14 - Prob. 14.156MPCh. 14 - Prob. 14.157MPCh. 14 - Prob. 14.158MPCh. 14 - Prob. 14.159MP
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