Formation du dibromure de calcium (stoechiométrie)

Formation du dibromure de calcium (stoechiométrie)

11th Grade

10 Qs

quiz-placeholder

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Formation du dibromure de calcium (stoechiométrie)

Formation du dibromure de calcium (stoechiométrie)

Assessment

Quiz

Chemistry, Science

11th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Paul Chartrand

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quelle réaction est correctement balancée ?

2 BrH + Ca(OH)2 CaBr2 + 2H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ 2H_2O

2 BrH + Ca(OH)2 CaBr2 + H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ H_2O

4 BrH + Ca(OH)2 2CaBr2 + 2H2O4\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ 2CaBr_2\ \ +\ 2H_2O

4 BrH + 4 Ca(OH)2 2 CaBr2 + 4 H2O4\ BrH\ \ +\ \ 4\ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ 2\ CaBr_2\ \ +\ 4\ H_2O

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle molécule correspond à un acide ?

HBrHBr

Ca(OH)2Ca\left(OH\right)_2

CaBr2CaBr_2

H2OH_2O

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quelle molécule correspond à une base ?

HBrHBr

Ca(OH)2Ca\left(OH\right)_2

CaBr2CaBr_2

H2OH_2O

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quel type de réaction nous avons à faire ? 2 BrH  +  Ca(OH)2     CaBr2  + 2H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ 2H_2O  

Oxydation

Combustion

Neutralisation acido-basique

Synthèse

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selon la réaction, si j'utilise 60 moles d'acide, quelle quantité de sel j'obtiendrai ? 2 BrH  +  Ca(OH)2     CaBr2  + 2H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ 2H_2O  

20 moles de sel

30 moles de sel

60 moles de sel

120 moles de sel

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Pour faire réagir 162 g d'hydrure de brome, j'ai besoin de combien de gramme de Ca(OH)2 ?  2 BrH  +  Ca(OH)2     CaBr2  + 2H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ 2H_2O  

74 g

200 g

148 g

400 g

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Si j'utilise 148 g de Ca(OH)2, j'obtiendrai quelle quantité d'eau ? 2 BrH  +  Ca(OH)2     CaBr2  + 2H2O2\ BrH\ \ +\ \ Ca\left(OH\right)_2\ \ \ \rightarrow\ \ CaBr_2\ \ +\ 2H_2O  

18 g d'eau

36 g d'eau

72 g d'eau

32,9 g d'eau

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