Chapter 19 AP CHEM Notes

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Chemistry

AP Chemistry

AP Chemistry

Spontaneous Reactions

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6 Terms

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Spontaneous process
proceeds without outside assistance
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Reversible process
a specific way in which a system changes its state; can return to original state by exactly reversing the change
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Irreversible process
cannot simply be reversed to restore the system and its surroundings to their original states
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Isothermal process
expansion of an ideal gas at constant temperature
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Microstate
a single possible arrangement of the positions and kinetic energies of the molecules when the molecules are in a specific thermodynamic state
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Standard molar entropies
molar entropies for substances in their standard states