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Termodinamika Flashcards

(15 cards)

1
Q

toplinski kapacitet formula

A

C=q/ΔT

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2
Q

funkcije stanja; primjeri

A

ovise samo o početnom i konačnom stanju

S, U, E, G

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3
Q
  1. zakon termodinamike
A

energija se ne može stvoriti niti nestati, samo prelazi s jednog oblika u drugi
ΔU=Q+W

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4
Q

funkcije procesa; primjeri

A

ovise o načinu prijelaza iz početkog u konačno stanje; Q, W

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5
Q
  1. zakon termodinamike za izobarni i izohorni proces
A

izohorno: Q=ΔU
izobarno: Q=ΔU-pΔV=ΔH

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6
Q

aktivitet

A

pogledaj prezu

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7
Q

lavosier-laplaceov zakon

A

ak je reakcija u jednom smjeru endotermna onda je u drugom egzotermna (i obrnuto)

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8
Q

hessov zakon

A

promjena entalpije je neovisna o putu reakcije

ΔH = H_p - H_r

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9
Q
  1. zakon termodinamike
A

ΔS=q/T

reakcije su spontane ako povećavaju entropiju svemira

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10
Q

entropija - spontani i ravnotežni proces

A

spontani: S(svemir)>0

ravnoteža: S(svemir)=0

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11
Q

promjena gibbsove energije

A

ΔG=ΔH-TΔS

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12
Q

endergona reakcija

A

nespontana, G>0

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13
Q

egzergona reakcija

A

spontano, G<0

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14
Q

spontana reakcija; G, Q, K, nestandardno stanje

A

G<0

Q

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15
Q

nespontana reakcija, NESTANDARDNO STANJE

A

G>0

Q>K

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