termodynaamika

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30 Terms

1

ΔU

Sisemise energia muutus

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2

Q

Soojushulk

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3

Q=mcΔT

Soojushulga valem

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4

A

Tehtud töö

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5

p

Rõhk

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6

ΔV

Ruumala muut

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7

m

Aine mass kg

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8

M

Molaarmass

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9

Nüü

ainehulk moolides

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10

c

Aine erisoojus

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11

ΔT

l

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12

Kuidas saab keha siseenergiat muuta?

temperatuuri muutumisel, aine oleku muutumisel

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13

Mis nähtus on soojusjuhtivus?

nähtus, kus soojus levib aineosakeste kokkupõrgete kaudu

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14

Too 2 näidet soojusjuhtivusest

külm lusikas kuuma vee sees, külm käsi sooja vee all

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15

Miks läheb suits korstnast välja, mitte ei tungi tuppa? Selgitada, mis nähtusega on tegemist.

suits läheb korstnast välja tänu konvektsioonile ja soojusjuhtivusele

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16

Mis suurus on entroopia, mida see näitab?

suurus, mis näitab süsteemi korrastatuse määra.

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17

Milles seisneb termodünaamika Il seadus?

soojuse liikumise suund on alati soojemalt kehalt külmemale.

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18

Mis nähtus on konvektsioon?

soojusenergia levimine vedelikes ja gaasides raskusjõu mõjul

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19

Too 2 näidet konvektsiooni esinemise kohta.

kütteradiaatorid, pliidil vee kuumutamine

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20

Miks ei asetata termomeetrit päikesepaistelisse kohta? Selgitada, mis nähtusega on tegemist.

Kuna päikesest tulev kiirgus mõjutab termomeetri näitu. See nähtus on seotud soojuskiirgusega.

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21

Mis suurus on soojushulk, mida see näitab?

energia kogu, mis on üle antud soojusülekande teel

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22

isohooriline soojendamine

tehtud töö A on võrdne nulliga

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23

V

Gaasi ruumala

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24

t=T−273

temperatuur °C

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25

T= t+273

Absoluutne temperatuur K

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26

k

1,38×10⁻²³ J/K

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27

E_k=

E_k=3/2•k•T

J

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28

n

kontsentratsioon 1/m³

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29

keskmine kiirus

v m/s

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30

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