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  • Complete the missing components/variables given as x and y in the following reactions

Complete the missing components/variables given as x and y in the following reactions

(a) Pb(NO_3)_2 (aq) + 2KI(aq) \rightarrow PbI_2 (x) + 2KNO_3(y)

(b) Cu(s) + 2AgNO_3(aq) \rightarrow Cu(NO_3)_2(aq) + x(s)

(c) Zn(s) + H_2SO_4(aq) \rightarrow ZnSO_4(x) + H_2(y)

(d) CaCO_3(s) \overset{x}{\rightarrow} CaO(s) + CO_2(g)

Answers (1)

a) x (s), y (aq)

Pb(NO_3)_2 (aq) + 2KI(aq) \rightarrow PbI_2 (s) + 2KNO_3(aq)

b) x is 2Ag

Cu(s) + 2AgNO_3(aq) \rightarrow Cu(NO_3)_2(aq) + 2Ag(s)

c) x (aq), y(g)

Zn(s) + H_2SO_4(aq) \rightarrow ZnSO_4(aq) + H_2(g)

d) x is heat

CaCO_3(s) \overset{heat}{\rightarrow} CaO(s) + CO_2(g)

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