3. In each case below please write YES or NO after each equation to indicate whe

Question

3. In each case below please write YES or NO after each equation to indicate whether or not such a reaction is possible. (a.) Zn(s) + Cu2 (aa)Zn2*(aq)+ Cu(s) (b.) Sn(s)+ 2 Ag (aq) Sn2 (aq) +2 Ag(s) (c.) Cu (s) + 2 Ag+(ag/> Cu"(aq) + 2 Ag (s) (d.) Cu(s)+ Zn2*(aq) > Cu2 (aa) + Zn(s) (e.) Zn(s) + 2 H 1 + (aq) ? Zn2+(aq) + H2(g) (f.) Sn(s) + Cu2+ (aq) ? Sn2+(aq) + Cu(s) (g.) Sn(s) + Zn2 (aq)> Sn2 (aq)+ Zn(s (h.) 2 Ag(s) + Mg2+ (s) ? 2 Ag+(aq) + Mg (s) (i.) Ca(s) + 2 H2O()Ca(OH)2(aq)+ H2(g) (j.) 2Na (s) + 2 H2O(l) ? 2NaOH(aq) + H2(g) 85

Explanation / Answer

3.a. Yes
b. yes
c. yes
d. NO
e. yes
f. yes
g. NO
h. NO
i. yes
j. yes
a. 2Ag^+ (aq) + Sn(s) --------> 2Ag(s) + Sn^2+
b. H+ (aq) + Cu(s) -----------> no reaction
c. 2H^+ (aq) + Sn^2+ (aq)--------> H2(g) + Sn(s)
d. 2H^+ (aq) + Mg(s) ----------> H2(g) + Mg^2+ (aq)
e. Cu^2+ (aq) + Zn(s) ---------> Cu(s) + Zn^2+ (aq)
f. Zn^2+ (aq) + Ag(s) ------------> No reaction
g. Cu^2+ (aq) + Mg(s) ---------> Cu(s) + Mg^2+ (aq)
h. 2Ag^+ (aq) + Mg(s) --------> 2Ag(s) + Mg^2+ (aq)
i. 2Na(s) + 2H2O --------------> 2NaOH(aq) + H2(g)
j. Ca(s) + H2O(l) ---------> Ca(OH)2 + H2(g)

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