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Balanceamento

Authored by Rogerio Mello

Chemistry

12th Grade

Used 68+ times

Balanceamento
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a seguinte equação e marque a alternativa com os menores coeficientes inteiros: C+O2CO2C+O_2→CO_2  

1:2:2

2:2:1

1:2:1

1:1:1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a equação conforme os menores coeficientes inteiros: C+O2COC+O_2→CO  

1:2:1

1:1:1

2:1:2

2:2:1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a síntese do carbonato de cálcio conforme os menores coeficientes inteiros Ca+CO2CaCO3Ca+CO_2→CaCO_3  


1:1:2

1:2:3

1:1:1

2:2:2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a equação conforme os menores coeficientes inteiros: H2+O2H2OH_2+O_2→H_2O  

1:2:1

1:1:1

2:1:2

2:2:1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a equação conforme os menores coeficientes inteiros: N2+O2N2ON_2+O_2→N_2O  

1:2:1

1:1:1

2:1:2

2:2:1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a equação conforme os menores coeficientes inteiros: N2+O2N2O3N_2+O_2→N_2O_3  

1:2:1

1:1:1

2:1:2

2:3:2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Balanceie a equação conforme os menores coeficientes inteiros: N2+O2N2O5N_2+O_2→N_2O_5  

2:5:2

1:1:1

2:1:2

2:3:2

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