Pennod 7 - Entropi a Dichonoldeb Adweithiau Flashcards

1
Q

Diffiniwch entropi

A

Anhrefn mewn system

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2
Q

Nodwch hafaliad newid entropi

A

&S = S (pob cynnyrch ) - S (pob adweithydd)

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3
Q

Nodwch ail ddeddf thermodynameg

A

Bydd entropi bob amser yn tueddu i gynyddu mewn unrhyw system arunig nad yw mewn ecwilibriwm

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4
Q

Nodwch hafaliad i gyfrifo egni rhyss Gibbs

A

&G = &H - T&S &G = newid mewn egni rhydd Gibbs &H = newid enthalpi &S = newid entropi T = tymheredd mewn celfin

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5
Q

Beth yw arwyddocad gwerth &G negatif?

A

Mae’n dangos adwaith dichonadwy

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6
Q

Diffiniwch entropi

A

Anhrefn mewn system

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7
Q

Nodwch hafaliad newid entropi

A

&S = S (pob cynnyrch ) - S (pob adweithydd)

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8
Q

Nodwch ail ddeddf thermodynameg

A

Bydd entropi bob amser yn tueddu i gynyddu mewn unrhyw system arunig nad yw mewn ecwilibriwm

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9
Q

Nodwch hafaliad i gyfrifo egni rhyss Gibbs

A

&G = &H - T&S &G = newid mewn egni rhydd Gibbs &H = newid enthalpi &S = newid entropi T = tymheredd mewn celfin

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10
Q

Beth yw arwyddocad gwerth &G negatif?

A

Mae’n dangos adwaith dichonadwy

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