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fizica > termo > Flashcards

termo Flashcards

1
Q

Numarul avogadro

A

6,023x10^23 part/mol

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2
Q

volum molar

A

22,4 L

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3
Q

numar moli

A

m/masa molara=N/NA=V/Vmolar

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4
Q

concentratia

A

n=N/V

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5
Q

constanta lochmidt

A

2,7x10^25 molecule/m3

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6
Q

masa molara amestec

A

nr moli1x masa molara1+nr moli2 x masa molara2/nr moli1 + nr moli2
sau
(m1+m2) masa molara1 x masa molara2/m1 masamolara2+m2masamolara1

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7
Q

Nf gaz disociat

A

bi N(1+f)
tri N(1+f+2f)

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8
Q

masa molara gaz disociat

A

masa molara/(1+f)

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9
Q

viteza termica

A

rad (3RT/miu)

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10
Q

R

A

8,31

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11
Q

kelvin in grade

A

x+273,15

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12
Q

presiunea

A

F/S

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13
Q

presiunea hidrostatica

A

Ro x g x h

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14
Q

distanta medie dintre moleculele de apa

A

rad3 din masa molara/densitate x NA

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15
Q

Capacitate calorica

A

Q/delta T

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16
Q

caldura specifica

A

1/m x Q/delta T

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17
Q

caldura molara

A

1/nr moli x Q/delta T
Cv +L/(v x deltaT)

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18
Q

robert mayer

A

Cp=Cv+R
cp=cv+R/masa molara

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19
Q

teoria cinetico moleculara

A

p=2/3 x n x(m0 x vt^2)/2

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20
Q

energia cinetica medie

A

m0 x vt^2/2
i/2 x KB xT

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21
Q

ecuatia termica de stare

A

pv=vRT

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22
Q

constanta boltzman

A

1,38 x 10^-23 j/k

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23
Q

ecuatia calorica de stare

A

U=i/2 vRT

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24
Q

legea izocorei

A

P/T =ct

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25
Q

legea charles

A

p-p0/p0=coeficient x t celsius

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26
Q

coeficientul termic

A

1/T0
1/273,15 grad^-1

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27
Q

legea izobarei

A

V/T=ct

28
Q

legea gay lussac

A

v-v0/v0= coef x t celsius

29
Q

legea izotermei

A

p x v=ct

30
Q

presiune finala 2 recipiente interconectate

A

pf=p1v1+p2v2/v1+v2

31
Q

principiul 1 al termodinamicii

A

deltaU=Q-L

32
Q

Cv

A

i/2R

33
Q

Cp

A

i+2/2 R

34
Q

L izobara

A

p x deltaV
miu x R x deltaT

35
Q

caldura in izobara

A

miu x Cp x deltaT

36
Q

ln 1/b

A

-lnb

37
Q

Izoterma Q=L=

A

vRTlnV2/V1
vRTlnp1/p2

38
Q

coeficient adiabatic

A

Cp/Cv
i+2/i

39
Q

formule adiabata/politropa

A

pv^coef=ct
TV^coef-1=ct
Tp^1-coef/coef=ct

40
Q

L adiabata

A

-deltaU
-vCv x deltaT
pivi-pfvf/coef-1

41
Q

cv cu coeficient adiabatic

A

R/coef-1

42
Q

cp cu coeficient adiabatic

A

coef x R/coef-1

43
Q

ecuatia termica de stare cu densitate

A

p/ro=RT/miu

44
Q

indice politropic

A

n=Cmol-Cp/Cmol-Cv

45
Q

caldura molara politropa

A

Cv+Cp/2
Cv+L/miu x deltaT

46
Q

lucru mecanic util

A

Qp+Qc

47
Q

randament

A

L/Qp

48
Q

eficienta

A

Qc/Lp

49
Q

randament carnot

A

tc-tr/tc
1-tr/tc

50
Q

entropie

A

Q/deltaT

51
Q

caldura latenta schimbare stare de agregare

A

m x lamda

52
Q

caldura fara schimbarea starii de agregare

A

m x c x deltaT

53
Q

presiunea totala a unui amestec de gaze

A

presiune partiala gaz1+pp gaz2
(vapa+vaer) x RT/V

54
Q

viteza de evaporare

A

K x S(ps-pef)/H

55
Q

ecuatia calorimetrica

A

|Qc|=Qp

56
Q

puterea calorica

A

Q/m

57
Q

temperatura de echilibru fara schimbarea starii de agregare

A

m1t1+m2t2/m1+m2

58
Q

unitatea atomica de masa

A

1,66 x 10^-27
1/12 x mC12

59
Q

arie triunghi

A

b x h/2

60
Q

arie cerc

A

piR^2

61
Q

arie trapez

A

(b+B) x h/2

62
Q

Variația energiei interne în orice transformare

A

vCv x deltaT

63
Q

caldura molara adiabata

A

0

64
Q

deltaU izoterma

A

0

65
Q

U izoterma

A

ct

66
Q

lamda de gheata

A

80ca

67
Q

c gheata

A

c apa/2

fizica (4 decks)

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