Donald A. McQuarrie, John D. Simon
ISBN #9780935702996
1st Edition
1,360 Questions
Homework Questions
Physical Chemistry: A Molecular Approach systematically builds a molecular-level understanding of chemical behavior by weaving together fundamental principles from quantum mechanics, thermodynamics, and kinetics. The text begins with the quantization of energy and atomic orbital theory before delving into approximation methods like the variational approach and perturbation theory for solving complex quantum systems. It then develops a robust connection between microscopic energy distributions and macroscopic thermodynamic properties through statistical thermodynamics, including key concepts like the Boltzmann factor, partition functions, and entropy. The latter sections bridge these ideas to chemical kinetics, exploring the derivation of the ideal gas law, reaction mechanisms, and rate laws to explain how molecular interactions govern the spontaneity and dynamics of chemical processes.
Chapter 1
The Dawn of the Quantum Theory
Chapter 2
The Classical Wave Equation
Chapter 3
The Schrodinger Equation and a Particle in a Box
Chapter 4
Some Postulates and General Principles of Quantum Mechanics
Chapter 5
The Harmonic Oscillator and the Rigid Rotator: Two Spectroscopic Models
Chapter 6
The Hydrogen Atom
Chapter 7
Approximation Methods
Chapter 8
Multielectron Atoms
Chapter 9
The Chemical Bond: Diatomic Molecules
Chapter 10
Bonding In Polyatomic Molecules
Chapter 11
Computational Quantum Chemistry
Chapter 12
Group Theory: The Exploitation of Symmetry
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Chapter 13
Molecular Spectroscopy
Chapter 14
Nuclear Magnetic Resonance Spectroscopy
Chapter 15
Lasers, Laser Spectroscopy, and Photochemistry
Chapter 16
The Properties of Gases
Chapter 17
The Boltzmann Factor and Partition Functions
Chapter 18
Partition Functions and Ideal Gases
Chapter 19
The First Law of Thermodynamics
Chapter 20
Entropy and the Second Law of Thermodynamics
Chapter 21
Entropy and the Third Law of Thermodynamics
Chapter 22
Helmholtz and Gibbs Energies
Chapter 23
Phase Equilibria
Chapter 24
Chemical Equilibrium
Chapter 25
The Kinetic Theory of Gases
Chapter 26
Chemical Kinetics 1: Rate Laws
Chapter 27
Chemical Kinetics II: Reaction Mechanisms
Chapter 28
Gas-Phase Reaction Dynamics
Chapter 29
Solids and Surface Chemistry
Problem 1
The threshold wavelength for potassium metal is $564 \mathrm{nm}$. What is its work function? What is the kinetic energy of electrons ejected if radiation of wavelength $410 \mathrm{nm}$ is used?
Vishal Sharma Numerade Educator
Problem 2
The vapor pressure of benzaldehyde is 400 torr at $154^{\circ} \mathrm{C}$ and its normal boiling point is $179^{\circ} \mathrm{C}$. Estimate its molar enthalpy of vaporization. The experimental value is $42.50 \mathrm{kJ} \cdot \mathrm{mol}^{-1}$.
Prashant Bana Numerade Educator
Problem 3
A ground-state hydrogen atom absorbs a photon of light that has a wavelength of $97.2 \mathrm{nm}$ It then gives off a photon that has a wavelength of $486 \mathrm{nm}$. What is the final state of the hydrogen atom?
Dr. Satish Ingale Numerade Educator
Problem 4
Through what potential must a proton initially at rest fall so that its de Broglie wavelength is $1.0 \times 10^{-10} \mathrm{m} ?$
Lottie Adams Numerade Educator
Problem 5
Calculate the radius of the sphere that encloses a $50 \%$ probability of finding a hydrogen 1s electron. Repeat the calculation for a $90 \%$ probability.
Isaac Huidobro Numerade Educator
Problem 6
Calculate (a) the wavelength and kinetic energy of an electron in a beam of electrons accelerated by a voltage increment of $100 \mathrm{V}$ and (b) the kinetic energy of an electron that has a de Broglie wavelength of $200 \mathrm{pm}\left(1 \text { picometer }=10^{-12} \mathrm{m}\right)$.
Ronald Prasad Numerade Educator
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