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Thermodynamic entropy

AP Chemistry Zumdahl 7E Chapter 16 Notes

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Chemistry
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State functions
Thermodynamic entropy
Chemical thermodynamics
thermodynamics
Thermochemistry
Spontaneous process
Entropy
Hess's law
Standard molar entropy
gibbs free energy
Enthalpy
Chemical reaction

1 Chapter 16 - Spontaneity, Entropy, and Free Energy 16.1 Spontaneous Processes and Entropy A. First Law 1. "Energy can neither be created nor destroyed" 2. The energy of the universe is constant B. Spontaneous Processes 1. Processes that occur without outside intervention 2. Spontaneous processes may be fast or slow a. Many forms of combustion are fast b. Conversion of diamond to graphite is slow C. Entropy (S) 1. A measure of the randomness or disorder 2. The driving force for a spontaneous process is an increase in the entropy of the universe 3. Entropy is a thermodynamic function describing the number of arrangements that are available to a system a. Nature proceeds toward the states that have the highest probabilities of existing D. Positional Entropy

Bob Jones PPT Notes -- Chapter 2b

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Chemistry
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Physics
thermodynamics
Chemistry
State functions
Thermodynamic entropy
Heat transfer
Philosophy of thermal and statistical physics
Thermal energy
energy
Temperature
Entropy
Forms of energy
Environment

Energy and Matter Energy Energy the ability to do work Work Work a force moving matter through a distance Both energy and work are measured in joules (J). Forms of Energy Mechanical ? objects Kinetic ? moving Potential ? stored Thermal ? kinetic energy of atoms and molecules Forms of Energy Acoustic (sound) ? periodic, wave-like motion of atoms and molecules Electromagnetic ? moving electrons Chemical ? breaking and forming bonds Forms of Energy Nuclear ? from center of atom 6 Energy Conservation Despite Change ?the study of the flow of energy? Thermodynamics ?the law of conservation of mass-energy? (Conservation doesn?t refer to turning off the lights.) First Law of Thermodynamics ?the law of conservation of mass-energy?
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