Chemistry: The Central Science (14th Edition)
14th Edition
ISBN: 9780134414232
Author: Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, Matthew E. Stoltzfus
Publisher: PEARSON
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Textbook Question
Chapter 14.5, Problem 14.10.1PE
Practice Exercise 1
This of the following change always leads to an increase in the rate constant for a reaction:
- Decreasing the temperature
- Decreasing the activation energy
- Making the value of ΔE more negative
- Only one ----- (i), or (ii), or (iii) ---increases the reaction rate.
- (i) and (ii)
- (i) and (iii)
- (ii) and (iii)
- All three-----(i), (ii), and (iii)------increase the reaction rate.
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Question 14
The rate constant of a chemical reaction increases by 100 times when
the temperature is increased from 400 K to 500 K. Assuming transition
state theory is valid, the value of E/R is
NOTG
8987 K
8621 K
9210 K
O 8784 K
The initial rate of the reaction 2 A + B → C + D was studied in a series of kinetics experiments.
Trial
Conc A (M)
Conc B (M)
Initial Rate (M/s)
1
0.300
0.100
0.000704
2
0.900
0.100
0.006334
3
0.900
0.300
0.006334
What is the experimental rate law for this reaction?
Question 16 options:
A) Rate = k[B]2
B) Rate = k[A]2
C) Rate = k[A]
D) Rate = k[A]2[B]
E) Rate = k[A][B]
+
Twychoad
Energy (kJ/mol)
-50
+37.5
25
12.5
Based on the reaction energy diagram provided, which of the following statements
is incorrect (false)?
Reaction Profile
Question 15 of 15
3
A)
The activation energy is 12.5 kJ/mol.
B) The energy change (AE or AH or AG) for the
reaction is 25 kJ/mol.
C) The reaction is exothermic.
D) The reactants are at the position labeled 1.
E) The products are at the position labeled 3.
Submit
Chapter 14 Solutions
Chemistry: The Central Science (14th Edition)
Ch. 14.2 - If the experiment in Figure 14.2 is run for 60 s,...Ch. 14.2 - Prob. 14.1.2PECh. 14.2 - Which of the following could be the instantaneous...Ch. 14.2 - Using Figure 14.3, determine the instantaneous...Ch. 14.2 - At a certain time in a reaction, substance A is...Ch. 14.2 - Prob. 14.3.2PECh. 14.3 - Suppose the rate law for the reaction in this...Ch. 14.3 - Assuming that rate = k[A][B], rank the mixtures...Ch. 14.3 - Prob. 14.5.1PECh. 14.3 - Prob. 14.5.2PE
Ch. 14.3 - Consider the reaction examined above in the Sample...Ch. 14.3 - The following data were measured for the reaction...Ch. 14.4 - At 25 ° C, the decomposition of dinitrogen...Ch. 14.4 - Practice Exercise 2 The decomposition of dimethyl...Ch. 14.4 - Practice Exercise 1 For a certain reaction A ...Ch. 14.4 - Prob. 14.8.2PECh. 14.4 - Practice Exercise 1 We noted in an earlier...Ch. 14.4 - Practice Exercise 2 Using Equation 14.17,...Ch. 14.5 - Practice Exercise 1 This of the following change...Ch. 14.5 - Practice Exercise 2 Rank the rate constants of the...Ch. 14.5 - Practice Exercise 1 Using the data in Sample...Ch. 14.5 - Practice Exercise 2 To one significant figure,...Ch. 14.6 - Practice Exercise 1 Consider the following...Ch. 14.6 - For the reaction Mo(CO)6 +P(CH3)3 Mo(CO)5P(CH3)3...Ch. 14.6 - Practice Exercise 1 Consider the following...Ch. 14.6 - Practice Exercise 2 Consider the following...Ch. 14.6 - Practice Exercise 1 An Alternative two-step...Ch. 14.6 - Prob. 14.14.2PECh. 14.6 - Practice Exercise 1
Consider the...Ch. 14.6 - Prob. 14.15.2PECh. 14 - Prob. 1DECh. 14 - An automotive fuel injector dispenses a fine spray...Ch. 14 - Consider the following graph of the concentration...Ch. 14 - You study the rate of a reaction, measuring both...Ch. 14 - Suppose that for the reaction K+L M, you monitor...Ch. 14 - Prob. 5ECh. 14 - A friend studies a first-order reaction and...Ch. 14 - Prob. 7ECh. 14 - Which of the following linear plots do you expect...Ch. 14 - Prob. 9ECh. 14 - Prob. 10ECh. 14 - The following graph shows two different reaction...Ch. 14 - Prob. 12ECh. 14 - Prob. 13ECh. 14 - Draw a possible transition state for the...Ch. 14 - The following diagram represents an imaginary...Ch. 14 - 14.16 Draw a graph showing the reaction pathway...Ch. 14 - Prob. 17ECh. 14 - 14.18 (a) what are the units usually used to...Ch. 14 - Prob. 19ECh. 14 - A flask is charged with 0.100 mol of A and allowed...Ch. 14 - The isomerization of methyl isontrile (CH3NC) to...Ch. 14 - Prob. 22ECh. 14 - Prob. 23ECh. 14 - For each of the following gas-phase reactions,...Ch. 14 - (a) Consider the combustion of hydrogen, 2H2 (g) +...Ch. 14 - Prob. 26ECh. 14 - A reaction A+B C obeys the following rate law:...Ch. 14 - Prob. 28ECh. 14 - 14.29 The decomposition reaction of N2O5 in carbon...Ch. 14 - Prob. 30ECh. 14 - Prob. 31ECh. 14 - The reaction between ethyl bromide (C2H5Br) and...Ch. 14 - Prob. 33ECh. 14 - The reaction 2ClO2 (aq) + 2OH- (aq) ClO3- (aq) +...Ch. 14 - The following data were measured for the reaction...Ch. 14 - The following data were collected for the rate of...Ch. 14 - Consider the gas-phase reaction between nitric...Ch. 14 - Prob. 38ECh. 14 - Prob. 39ECh. 14 - Prob. 40ECh. 14 - Prob. 41ECh. 14 - Molecular iodine, I2 (g), dissociates into iodine...Ch. 14 - Prob. 43ECh. 14 - Prob. 44ECh. 14 - The reaction SO2Cl2 (g) O2 (g) + Cl2 (g) is first...Ch. 14 - Prob. 46ECh. 14 - Prob. 47ECh. 14 - Prob. 48ECh. 14 - Prob. 49ECh. 14 - Prob. 50ECh. 14 - (a) what factors determine whether a collision...Ch. 14 - (a) in which of the following reactions you expect...Ch. 14 - Calculate the fraction of atoms in a sample of...Ch. 14 - (a) the activation energy for the isomerization of...Ch. 14 - The gas-phase reaction CL (g) + HBr (g) + HCl (g)...Ch. 14 - Prob. 56ECh. 14 - Indicate whether each statement is true or false....Ch. 14 - Indicate whether each statement is true or false....Ch. 14 - Based on their activation energies and energy...Ch. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - The rate of the reaction CH3COOC2H5 (aq) + OH- ...Ch. 14 - Prob. 64ECh. 14 - Prob. 65ECh. 14 - Prob. 66ECh. 14 - What is the molecularity of each of the following...Ch. 14 - Prob. 68ECh. 14 - (a) based on the following reaction profile, how...Ch. 14 - Prob. 70ECh. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - The reaction 2NO (g) + CL2 (g) 2NOCl (g) was...Ch. 14 - You have studied the gas-phase oxidation of HBr by...Ch. 14 - Prob. 75ECh. 14 - Prob. 76ECh. 14 - Prob. 77ECh. 14 - Prob. 78ECh. 14 - Prob. 79ECh. 14 - The addition of No accelerates the decomposition...Ch. 14 - 14.81b Many metallic catalysts, particularly the...Ch. 14 - Prob. 82ECh. 14 - When D2 reacts with ethylene (C2H4) in the...Ch. 14 - Prob. 84ECh. 14 - Prob. 85ECh. 14 - The enzyme urease catalyzez the reaction of urea,(...Ch. 14 - Prob. 87ECh. 14 - Prob. 88ECh. 14 - Prob. 89AECh. 14 - Prob. 90AECh. 14 - Prob. 91AECh. 14 - Prob. 92AECh. 14 - Prob. 93AECh. 14 - Prob. 94AECh. 14 - Prob. 95AECh. 14 - Prob. 96AECh. 14 - [14.97]A first order reaction A B has the rate...Ch. 14 - Prob. 98AECh. 14 - Prob. 99AECh. 14 - Prob. 100AECh. 14 - Prob. 101AECh. 14 - Prob. 102AECh. 14 - Cyclopentadiene (C5H6) reacts with itself to form...Ch. 14 - Prob. 104AECh. 14 - At 280C, raw milk sours in 4.0 h but takes 48 h to...Ch. 14 - Prob. 106AECh. 14 - Prob. 107AECh. 14 - Prob. 108AECh. 14 - Prob. 109AECh. 14 - The following mechanism has been proposed for the...Ch. 14 - Prob. 111AECh. 14 - Prob. 112AECh. 14 - Platinum nanoparticles of diameter ~2 nm are...Ch. 14 - 14.114 One of the many remarkable enzymes in the...Ch. 14 - 14.115N Suppose that, in the absence of catalyst,...Ch. 14 - Prob. 116AECh. 14 - Dinitrogen pentoxide (N2O5) decomposes in...Ch. 14 - The reaction between ethyl iodide and hydroxide...Ch. 14 - Prob. 119IECh. 14 - Prob. 120IECh. 14 - Prob. 121IECh. 14 - The rates of many atmospheric reactions are...Ch. 14 - Prob. 123IECh. 14 - Prob. 124IECh. 14 - Prob. 125IE
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