Chimie General Flashcards

1
Q

Dans 0,04 il y a combien de cs

A

1, les zéro avant le premier chiffres ne sont pas signif.

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2
Q

122,3+1,11=

A

124,4. Addition/soustrac. : autant de c après la virgule que le nombre qui en a le moin.

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3
Q

4.5 x 2,22=

A

9,9

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4
Q

Préfixe : M =

A

Micro (10^-6)

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5
Q

Combien il y a de ml dans 250cm cube

A

250

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6
Q

Pression normal =

A

101,3 kpa

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