Chimie 1 1ère Bac Pro
Quiz
•
Chemistry
•
1st - 5th Grade
•
Practice Problem
•
Hard
Used 20+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Qu'est ce qu'une mole ?
Un paquet d'entités chimiques
Un atome privé de ses électrons
Un ensemble d'atomes
La masse des neutrons d'un atomes multiplié par π
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En chimie, la quantité de matière se note :
n
N
mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En chimie la quantité de matière s'exprime en
molécules
bosons de Higgs
moles
ions
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qu'est ce qu'une molécule ?
Un ensemble de protons
Un ensemble d'électrons
Un ensemble de neutrons
Un ensemble d'atomes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sachant que M(O) = 16g/mol , M(C)=12g/mol et M(H)=1 g/mol,
Calculer la masse molaire moléculaire de l'acide lactique C3H6O3
39 g/mol
90 g/mol
128 g/mol
145 g/mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quelle est l'unité de la masse molaire atomique, ou moléculaire, M ?
g / mol
mol / L
g / L
mol / oiù*$ù^##!
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sachant que M(O) = 16g/mol , M(Cl)=35,5g/mol et M(H)=1 g/mol,
Quelle est la masse molaire moléculaire de l'acide chlorhydrique HCl ?
36,5 mol/L
36,5 g/L
36,5 g/molécule
36,5 g/mol
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