Complete the following chemical equations-a Mgs - 2HClaq - - H2g b Zns - - - Na2-ZnOH4-aq - H2g c -2HClaq - CaCl2aq - H2Ol -

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VSEPR Theory

Complete the ...

Question

Complete the following chemical equations.

(a) $M g (s) + 2 H C l (a q) \to____+ H_{2} (g)$
(b) $Z n (s) ++\to N a_{2} [Z n (O H)_{4}] (a q) + H_{2} (g)$
(c) $____+ 2 H C l (a q) \to C a C l_{2} (a q) + H_{2} O (l) +____$

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+ 2 H C l (a q) \to M g C l_{2} (a q) + H_{2} O (l)

S O_{2} (g) +

N a_{2} S O_{3} (a q) + H_{2} O (l)

M g (s) + C l_{2} (g) \to M g C l_{2} (s)

M g (s) + 2 H C l (a q .) \to M g C l_{2} (s) + H_{2} (g)

2 A g C l_{(s)} + H_{2 (g)} \to 2 H C l_{(a q)} + 2 A g_{(s)}

:

C u O +

= 62.869 g

C a C l_{2} +

= 80.483 g

+

= 54.869 g

C a C l_{2} + U

= 89.483 g

Z n (s) + 2 H C l (a q) \to Z n C l_{2} (a q) + H_{2} (g)

H_{2} (g) + C u O (s) \to H_{2} O (g) + C u (s)

M g (s) + 2 H C l (a q) \to M g C l 2 (a q) + H 2 (g)

△ H = - 143 k J

M g O (s) + 2 H C I (a q) \to M g C I_{2} (a q) + H_{2} O (g)

△ H = - 216 k J

H_{2} (g) + 1 / 2 O_{2} \to H_{2} O (I)

△ H = - 285 k J

M g (s) + 1 / 2 O_{2} \to M g O (s)

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