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Steps for Balancing Chemical Equations

Cmplete and b...

Question

Cmplete and balance the following equations:
(a) $N a + O_{2} ⟶$
(b) $N a_{2} O + H_{2} O ⟶$
(c) $F e (s) + H_{2} O (g) R e d h e a t - ---- \to$
(d) $C u (N O_{3})_{2} (a q) + Z n (s) \to$

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Solution

(a) $4 N a + O_{2} ⟶ 2 N a_{2} O$

(b) $N a_{2} O + H_{2} O ⟶ 2 N a O H$

(c) $3 F e + 4 H_{2} O R e d h e a t - ---- \to F e_{3} O_{4} + 4 H_{2}$

(d) $Z n + C u (N O_{3})_{2} ⟶ Z n (N O_{3})_{2} + C u$

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Na + O_{2} \underset{}{\to}

{Na}_{2} O + H_{2} O \underset{}{\to}

Fe (s) + H_{2} O (g) \overset{Red heat}{\to}

Cu ({NO}_{3})_{2} (aq) + Zn (s) \underset{}{\to}

Complete and balance the following reactions.

(a) $N a + H_{2} O \to$ _________ + _________

(b) $C a + H_{2} O \to$ __________+_________

(d) $Z n + H_{2} O \to$ ___________+_________

(e) $F e + H_{2} O \to$ ____________+_________

(f) $Z n + H C l \to$ _____________+__________

(g) $A l + H_{2} S O_{4} \to$ __________+_________

(h) $F e + H C l \to$ ___________+____________

(i) $Z n + N a O H \to$ __________+____________

(j) $A l + K O H + H_{2} O$ _________+____________

Complete and balance the following equations :

(a) $H_{2} + \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot \to 2 H C l$

(b) $H_{2} + S \to \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot$

(d) $C u o + \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot \to C u + \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot$

(e) $F e + H_{2} O \to + \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot$

(f) $K + H_{2} O \to \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot + \cdot \cdot \cdot \cdot \cdot \cdot \cdot \cdot$

Complete and balance the following chemical equations :

(a) $Z n (s) + H C l (a q) \to$

(b) $N a_{2} C O_{3} (s) + H C l (a q) \to$

(d) $N a O H (a q) + H C l (a q) \to$

(e) $C u O (s) + H C l (a q) \to$

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