
La combustion de l'éthane (rapport molaire)
Authored by Paul Chartrand
Chemistry, Science
11th Grade
Used 9+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
L'éthane est un gaz naturel. Il fait partie des combustibles fossiles. La formule chimique est la suivante : C2H6. Comment nomme-t-on cette molécule ?
dicarbone de hexahydrogènure
dicarbure de hexahydrogène
hexahydrogènure de dicarbone
hexahydrure de dicarbone
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quel est le comburant le plus connu ?
Le dioxygène
Le dioxyde de carbone
Le bois
Le pétrole
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Voici l'équation squelette de la combustion de l'éthane : Quel coefficient doit-on mettre devant la molécule du dioxygène pour obtenir une équation balancée ?
2
3
5
6
7
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ceci est l'équation balancée de la combustion du éthane. La combustion de 0,8 moles d'éthane nécessite quelle quantité de dioxygène ?
0,23 mole
1 moles
2 moles
2,8 moles
7 moles
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Voici les équations de combustion de l'éthane et du méthane, respectivement. Dans chacun des cas, j'utilise 14 moles de dioxygène pour la combustion. Lequel des deux combustibles produira le plus gaz carbonique ?
L'éthane
Le méthane
La même quantité
Tout dépend de la température
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