Chemistry: Structure and Properties Plus MasteringChemistry with eText -- Access Card Package
1st Edition
ISBN: 9780321729736
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 7, Problem 2E
What is a
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In the following reaction, what quantity in moles of CH₃OH are required to give off 4111 kJ of heat? 2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g) ∆H° = -1280. kJ
Indicate the processes in the dismutation of Cu2O.
1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction.
2600
2400
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1400
1200
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800
Potential Energy (kJ)
600
400
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0
-200-
-400
-600-
-800
(i) Cl₂ (g) + Pt(s) → 2Cl (g) + Pt(s)
(ii) Cl (g)+ CO (g) + Pt (s) → CICO (g) + Pt (s)
Ea = 1550 kJ
Ea = 2240 kJ
(iii) Cl (g) + CICO (g) → Cl₂CO (g)
Ea
= 2350 kJ
AH=-950 kJ
ΔΗ = 575 ΚΙ
AH=-825 kJ
a. Draw the potential energy diagram for the reaction. Label the data points for clarity.
The potential energy of the reactants is 600 kJ
Reaction Progress
b. What is the overall chemical equation?
c. What is the overall change in enthalpy for the above chemical reaction?
d. What is the overall amount of activation energy for the above chemical reaction?
e. Which reaction intermediate would be considered a catalyst (if any) and why?
f. If you were to add 2700kJ of energy to the reaction (e.g. 2700 kl of heat or electricity), would
you be able to make the reaction reverse itself (i.e. have…
Chapter 7 Solutions
Chemistry: Structure and Properties Plus MasteringChemistry with eText -- Access Card Package
Ch. 7 - Determine the hybridization about 0 in CH3OH.Ch. 7 - Determine the hybridization about C in H2CO.Ch. 7 - According to the valance bond theory, which kind...Ch. 7 - Use molecular orbital theory to determine the bond...Ch. 7 - Use molecular orbital theory to predict which...Ch. 7 - Use molecular orbital theory to determine which...Ch. 7 - Which hybridization scheme occurs about nitrogen...Ch. 7 - Prob. 8SAQCh. 7 - Prob. 9SAQCh. 7 - Prob. 10SAQ
Ch. 7 - Which type of orbitals overlap to form the sigma...Ch. 7 - Prob. 12SAQCh. 7 - Prob. 1ECh. 7 - What is a chemical bond according to valence bond...Ch. 7 - In valence bond theory, what determines the...Ch. 7 - In valence bond theory, the interaction energy...Ch. 7 - What is hybridization? Why is hybridization...Ch. 7 - How does hybridization of the atomic orbitals in...Ch. 7 - How is the number of hybrid orbitals related to...Ch. 7 - Sketch each hybrid orbital sp sp2 sp3 sp3d sp3d2Ch. 7 - Prob. 9ECh. 7 - Name the hybridization scheme that corresponds to...Ch. 7 - What is a chemical bond according to molecular...Ch. 7 - Explain the difference between hybrid atomic...Ch. 7 - What is a bonding molecular orbital?Ch. 7 - Prob. 14ECh. 7 - What is the role of wave interference in...Ch. 7 - Prob. 16ECh. 7 - Prob. 17ECh. 7 - Prob. 18ECh. 7 - Prob. 19ECh. 7 - Prob. 20ECh. 7 - Prob. 21ECh. 7 - When applying molecular orbital theory to...Ch. 7 - In molecular orbital theory, what is a nonbonding...Ch. 7 - Write a short paragraph describing chemical...Ch. 7 - Prob. 25ECh. 7 - Prob. 26ECh. 7 - Prob. 27ECh. 7 - Prob. 28ECh. 7 - Prob. 29ECh. 7 - Prob. 30ECh. 7 - The valence electron configurations of several...Ch. 7 - The valence electron configurations of several...Ch. 7 - Draw orbital diagrams (boxes with arrows in them)...Ch. 7 - Draw orbital diagrams (boxes with arrows in them)...Ch. 7 - Prob. 35ECh. 7 - Draw orbital diagrams (boxes with arrows in them)...Ch. 7 - Which hybridization scheme allows the formation of...Ch. 7 - Which hybridization scheme allows the central atom...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Write a hybridization and bonding scheme for each...Ch. 7 - Consider the structure of the amino acid alanine...Ch. 7 - Consider the structure of the amino acid aspartic...Ch. 7 - Sketch the bonding molecular orbital that results...Ch. 7 - Sketch the antibonding molecular orbital that...Ch. 7 - Draw an MO energy diagram and predict the bond...Ch. 7 - Draw an MO energy diagram and predict the bond...Ch. 7 - Sketch the bonding and antibonding molecular...Ch. 7 - Sketch the bonding and antibonding molecular...Ch. 7 - Using the molecular orbital energy ordenng for...Ch. 7 - Using the molecular orbital energy ordering for...Ch. 7 - Apply molecular orbital theory to predict if each...Ch. 7 - Apply molecular orbital theory to predict if each...Ch. 7 - According to MO theory, which molecule or ion has...Ch. 7 - According to MO theory, which molecule or ion has...Ch. 7 - Draw an MO energy diagram for CO. (Use the energy...Ch. 7 - Draw an MO energy diagram for HCI. Predict the...Ch. 7 - Prob. 61ECh. 7 - Prob. 62ECh. 7 - Prob. 63ECh. 7 - Prob. 64ECh. 7 - Prob. 65ECh. 7 - Prob. 66ECh. 7 - For each compound, draw the Lewis structure,...Ch. 7 - For each compound, draw the Lewis structure,...Ch. 7 - Amino acids are biological compounds that link...Ch. 7 - The genetic code is based on four different bases...Ch. 7 - The structure of caffeine, present in coffee and...Ch. 7 - The structure of acetylsalicylic acid (aspirin) is...Ch. 7 - Draw a molecular orbital energy diagram for CIF....Ch. 7 - Draw Lewis structures and MO diagrams for CN+, CN,...Ch. 7 - Bromine can form compounds or ions with any number...Ch. 7 - The compound C3H4 has two double bonds. Describe...Ch. 7 - How many hybrid orbitals do we use to describe...Ch. 7 - Prob. 78ECh. 7 - In VSEPR theory, which uses the Lewis model to...Ch. 7 - The resuts of a molecular orbital calculation for...Ch. 7 - Prob. 81ECh. 7 - cis-2-Butene isomerizes (changes its structure) to...Ch. 7 - The ion CH5 + can form under very special...Ch. 7 - Neither the VSEPR model nor the hybridization...Ch. 7 - Prob. 85ECh. 7 - The most stable forms of the nonmetals in groups...Ch. 7 - Consider the bond energies of three iodine...Ch. 7 - How many atomic orbitals form a set of sp3hybrid...
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