Énergie Flashcards

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1
Q

Transfer denergie

A

Transfer denergie se passe toujours du corps le plus chaud au plus froid et cesse/n’arrive pas lorsque les 2 ont la meme temprature

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2
Q

Capacité thermique massique

A

quantité d’energie requise pour changé 1g d’un corps de 1*C
+ c’est elever, plus cest difficile de monté ou baissé sa temperature
-c’est elever, plus c’est facile de monté ou baissé sa temperature

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3
Q

Q

A

chaleur degagé ou absorbé (J)

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4
Q

m

A

masse du corps (g)

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5
Q

c

A

capacité thermique massique (J/g*°C)

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6
Q

ΔT

A

variatipn de temperature (°C) (ou ΔT= ΔTf - ΔTi)

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