Formules Flashcards

(7 cards)

1
Q

Calculer un travail

A

W = F x Δr

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2
Q

Travail d’un gaz

A

W = - pext. ΔV
dW = -pext.dV

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3
Q

Calculer une pression

A

P = F/S

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4
Q

Échange de chaleurs

A

Q = m.c.ΔT

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5
Q

Équation gaz parfaits

A

pV = nRT

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6
Q

Énergie interne d’un gaz parfait

A

U = n.cV.T
(ou variation infinitésimale : dU = n.cV.dT

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7
Q

Expression de l’enthalpie

A

H = U + P.V

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