Science, asked by mannumalik83233, 1 month ago

1. Complete and balance the following
reaction equations.
(a) Al + H2O
(steam)
(b) Al + O2 →​

Answers

Answered by vaishnavisg36
1

Answer:

Al+H2o= Al2o3+H2o

Al+O2=Alo3

Answered by mdasadshaikh2005
0

Answer:

Al+H

2

O→Al(OH)

3

+H

2

To do:

Balance the given reaction

Solution:

The given reaction is Al+H_2O\rightarrow Al(OH)_3+H_2Al+H

2

O→Al(OH)

3

+H

2

. For this reaction the number of atoms in the:

Reactant side

Al = 1

H = 2

O = 1

Product side

Al = 2

O = 3

H = 5

As the number of atoms in the reactant as well as product side is not equal, the given equation is not a balanced one.

To balance it certain changes must be made. The given equation with some alteration gives:

2Al+6H_2O\rightarrow2Al(OH)_3+3H_22Al+6H

2

O→2Al(OH)

3

+3H

2

When the number of atoms in the above reaction is calculated, it gives:

Reactant side:

Al = 2

H = 12

O = 6

Product side:

Al = 2

H = 12

O = 6

Thus both the reactants as well as product contains equal number of atoms, the above-given reaction is a balanced reaction.

Conclusion:

Unbalanced equation: Al+H_2O\rightarrow Al(OH)_3+H_2Al+H

2

O→Al(OH)

3

+H

2

Balanced equation: 2Al+6H_2O\rightarrow2Al(OH)_3+3H_22Al+6H

2

O→2Al(OH)

3

+3H

2

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