Question

Write the balanced chemical equations for the following reactions:
(a) sodium reacts with oxygen
(b) aluminium reacts with dilute hydrochloric acid​

Answer 1

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a)

$4Na + O_2 \longrightarrow 2Na_2O \\</p><p>Or,\\</p><p>2Na + O_2 \longrightarrow Na_2O_2</p><p></p><p> \:$

b)

$2Al + 6HCl \longrightarrow 2AlCl_3 + 3H_2 \uparrow$

Answer 2

Answer:

sodium react with oxygen

(a). Na+o2--------------_Nao2

balance reaction

2Na+O2--------------Na2O

This is balance reaction

(b). Aluminium react with dilute hydrochloric acid

Al+Hcl----------------Alcl3+H2

Now. balance reaction

2Al+6Hcl-------------------2Alcl3+3H2

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