E1 Flashcards

1
Q

Delta U eau
Forme condensée

A

m C₀ 𝜟 t

m masse
C₀ capacité massique thermique de l’eau liquide
𝜟 t Tf-Ti

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2
Q

Première lois de joule

A

Variation d’énergie interne ne dépend que de la température

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3
Q

unité masse volumique

A

kg.m^-3

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4
Q

masse en fonction de la masse volumique et du volume

A

sachant que 𝞺=m/v

m=𝞺*V

unité kg car 𝞺en kg.m^-3

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5
Q

hPa en Pa

A

hPa=Pa *10^2

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6
Q

1 bar en mmHg

A

750 mmHg

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7
Q

variations d’énergie interne d’un gaz

A

m Cv 𝜟t
m: masse
Cv: capacité thermique molaire
𝜟t: (Tf-Ti)

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