test pratique chapitre 1 Flashcards

1
Q

masse

A

quantité de matiere mesure avec balance

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2
Q

symbole mase

A

m

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3
Q

unité de mesure masse

A

g kg mg

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4
Q

volume

A

espace occupé par un corps

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5
Q

symbole volume

A

v

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6
Q

unité de mesure volume

A

m3 cm3 (solide)
L mL(lique/gaz)

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7
Q

masse volumique

A

msse de l’unité du volume

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8
Q

symbole masse volumique

A

p(rho)

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9
Q

unité de mesure masse volumique

A

g/mL ou g/cm3

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10
Q

élécrtrolyse

A

procédé utilisant l courant éléctrique pour séparer un composé en ses éléments

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11
Q

+

A

anode

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12
Q

-

A

cathode

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13
Q

+ test du tison
identification de gaz

A

enflamme le tison
oxygène

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14
Q
  • test deflamme
    identification
A

éprouvette explose
hydrogène

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15
Q

pourquoi on mat bicarbonate de sodium dans electrolyse

A

pour que courant electrieue circule

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