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molecular order and disorder > Gibbs energy > Flashcards

Gibbs energy Flashcards

1
Q

Gibbs equation

A

dG = dH - TdS

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2
Q

Helmholtz energy equation

A

dA = dU - TdS

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3
Q

Uses of Helmholtz energy equation

A

At high pressure (i.e. not in a lab)

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4
Q

Fundamental equation

A

dU = TdS -pdV

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5
Q

Stepwise calculation of Gibbs given Cp and T

A

Calculate dH (integral of Cp equn)
Calculate dS (integral of Cp/T equn)
Find dG

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6
Q

Change in Gibbs at constant volume

A

dG = nRTln(p2/p1)

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molecular order and disorder (4 decks)

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