Baseado na fila de reatividade dos metais, indique as reações espontâneas (E) e as não espontâneas (NE):
Dado: Fila
ALCALINOS, ALCALINOS TERROSOS, Aℓ, Mn, Zn, Cr, Fe, Co, Ni, Sn, Pb, H, Bi, Cu, Hg, Ag, Pd, Pt, Au.
a)
$\,Mg^{0}\phantom{X} + \phantom{X}Cu^{++}\phantom{X}\longrightarrow \phantom{X}Cu^{0}\phantom{X} + \phantom{X}Mg^{++}\,$
b)
$\,Mg^{0}\phantom{X} + \phantom{X}2Na^{+}\phantom{X}\longrightarrow \phantom{X}2Na^{0}\phantom{X} + \phantom{X}Mg^{++}\,$
c)
$\,2Na^{0}\phantom{X} + \phantom{X}Mg^{++}\phantom{X}\longrightarrow \phantom{X}2Na^{0}\phantom{+} + \phantom{X}Mg^{0}\,$
d)
$\,2Na^{0}\phantom{X} + \phantom{X}2H^{+}\phantom{X}\longrightarrow \phantom{X}H_{2}\phantom{X} + \phantom{X}2Na^{+}\,$
e)
$\,2H^{+}\phantom{X} + \phantom{X}Cu^{0}\phantom{X}\longrightarrow \phantom{X}Cu^{++}\phantom{X} + \phantom{X}H_{2}\,$
f)
$\,Zn^{0}\phantom{X} + \phantom{X}Cu^{++}\phantom{X}\longrightarrow \phantom{X}Cu^{0}\phantom{X} + \phantom{X}Zn^{++}\,$
g)
$\,Zn^{0}\phantom{X} + \phantom{X}2K^{+}\phantom{X}\longrightarrow \phantom{X}2K^{0}\phantom{X} + \phantom{X}Zn^{++}\,$
h)
$\,2K^{0}\phantom{X} + \phantom{X}Zn^{++}\phantom{X}\longrightarrow \phantom{X}2K^{+}\phantom{X} + \phantom{X}Zn^{0}\,$
resposta: a)E b)NE c)E d)E e)NE f)E g)NE h)E
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