Question

Balance above chemical equations,

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Answer 1

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$\bf{a)Na_{2}Co_{3}+HNO_{3} \longmapsto+NaNo_{3} +Co_{2} + H_{2}O}$

• Sodium Carbonate reacts with nitric acid.
• This produces Sodium nitrate , carbon dioxide and water.

$\bf{b) Fe+CuSO_{4}\longmapsto FeSO_{4}+ Cu}$

• Iron reacts with copper sulfate.
• This produces Iron sulfate and copper.

$\bf{c)Cl_{2}+KBr \longmapsto KCL + Br_{2}}$

• chlorine gas reacts with kaliumbromid.
• This produces potassium chloride and dibromine.

$\bf{d)NaNo_{3} \longmapsto NaNo_{2} + O_{2}}$

• sodium nitrate reacts with dioxygen.
• This produces Sodium nitrate.

$\bf{e)NH_{4}OH + FeSO_{4} \longmapsto Fe(OH)_{2} + (NH_{4})_{2}SO_{4}}</p><p>$

• Ammonium hydroxide reacts with iron sulfate.
• This produces Iron hydroxide and Ammonium tetraoxosulfate.

$\bf{ \huge{extra \: information : }}$

Reactants - The substances or chemicals which exist before the reaction takes place..

Products - The new substance or new chemical which is formed while the reaction is taking place.

• always balance diatomic elements at last and always save H + O for last.

Answer 2

a)Na2Co3 +HNO3 ⟼NaNo3+Co

b)Fe+CuSO4 ⟼FeSO4+Cu

c)Cl2 +KBr⟼KCL+Br2

d)NaNo3 ⟼NaNo2+O2

e)NH4OH+FeSO4+→Fe(OH)2+(NH4)2S

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