Complete and balance the following chemical equations-a- Zn -160-s- -160- -160- -160- -160-HCl -160-aq- -160- -160- -8594- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160-b- Na2CO3 -160-s- -160- -160- -160- -160-HCl -160-aq- -160- -8594- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160-c- NaHCO3 -160-s- -160- -160- -160- -160-HCl -160-aq- -160- -160- -8594- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160-d- NaOH -160-aq- -160- -160- -160- -160-HCl -160-aq- -160- -160- -8594- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160-e- CuO -160-s- -160- -160- -160- -160-HCl -160-aq- -160- -8594- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160- -160-

(a) Zn(s) + 2HCl(aq) nbsp; rarr; nbsp;ZnCl2(aq) + H2(g) nbsp;(b) Na2CO3(s) + 2HCl(aq) nbsp; rarr; nbsp;2NaCl(aq) nbsp;+ CO2(g) + H2O(l) nbsp; ...

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Sulphites and Bisulphites.

Complete and ...

Question

Complete and balance the following chemical equations:
(a) $Zn (s) + HCl (aq) \underset{}{\to}$
(b) ${Na}_{2} {CO}_{3} (s) + HCl (aq) \underset{}{\to}$
(c) ${NaHCO}_{3} (s) + HCl (aq) \underset{}{\to}$
(d) $NaOH (aq) + HCl (aq) \underset{}{\to}$
(e) $CuO (s) + HCl (aq) \underset{}{\to}$

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Zn (s) + HCl (aq) \underset{}{\to}

{Na}_{2} {CO}_{3} (s) + HCl (aq) \underset{}{\to}

{NaHCO}_{3} (s) + HCl (aq) \underset{}{\to}

NaOH (aq) + HCl (aq) \underset{}{\to}

CuO (s) + HCl (aq) \underset{}{\to}

C a C O_{3}

_

_

_

\to

C a C l_{2}

C O_{2}

H_{2}

O

N H_{3} (g) + H C l (g) \to N H_{4} C l (s)

N H_{3} (g) + a q \to N H_{3} (a q),

Δ H = - 8.4 K . C a l .

H C l (g) + a q \to H C l (a q),

Δ H = - 17.3 K . C a l .

N H_{3} (a q) + H C l (a q) \to N H_{4} C l (a q), Δ H = - 12.5 K . C a l s .

N H_{4} C l (s) + a q \to N H_{4} C l (a q), Δ H = + 3.9 K . C a l .

(a) M g (s) + C u S O_{4} (a q)

(b) C u (s) + Z n S O_{4} (a q)

(c) Z n (s) + H C l (a q)

A l_{2} C l_{6}

2 A l (s) + 6 H C l (a q) ⟶ A l_{2} C l_{6} (a q) + 3 H_{2} + 1004.2 k J

H_{2} (g) + C l_{2} (g) ⟶ 2 H C l (g) + 184.1 k J

H C l (g) + a q ⟶ H C l (a q) + 73.2 k J

A l_{2} C l_{6} (s) + a q ⟶ A l_{2} C l_{6} (a q) + 643.1 k J

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