Is a reaction likely to occur in these situations and what is the net ionic equation


by trossi
Tags: chemistry, net ionic equation, reaction
trossi
trossi is offline
#1
Oct23-08, 03:43 PM
P: 4
1. The problem statement, all variables and given/known data

For each of the following situations, identify those for which a reaction is liely to occur. For those that do occur, write a net ionic equation

a) Chromium dipped into silver nitrate.
b) B) Gold immersed in hydrochloric acid.
c) Nickel pellets dropped into calcium acetate, Ca(C2H3O2)2.
d) Aluminum dropped into a bath of sulphuric acid.
e) Zinc dipped into a solution of lead (II) nitrate.


2. Relevant equations
solubility charts


3. The attempt at a solution
I can't really figure out how to form a net ionic equation or how to get the charge but here is my attempt so far
a) Cr(s) + 2 AgNO3(aq) -> Cr(NO3)2(aq) + 2 Ag(s)
b) Au(s) + HCl(aq) -> no reaction
c) Ni(s) + Ca(C2H3O2)2(aq) -> no reaction
d) 2 Al(s) + 3H2SO4(aq) -> Al2(SO4)3 + 3 H2
e) Zn(s) + Pb(NO3)2(aq) -> Zn(NO3)2(aq) + Pb(s)

if anyone can look over this i'd really appreciate it
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trossi
trossi is offline
#2
Oct23-08, 04:06 PM
P: 4
i attempted to form the net ionic equations i'm just still not sure if this is correct.

a) Chromium dipped into silver nitrate.
Cr(s) + 2 AgNO3(aq) -> Cr(NO3)2 (aq) + 2 Ag(s)
Therefore the net ionic equation is
Cr(s)+2 + Ag(aq)+ -> Cr(aq)+2 + Ag(s)+
b) Gold immersed in hydrochloric acid.
Au(s) + HCl(aq)-> no reaction
c) Nickel pellets dropped into calcium acetate, Ca(C2H3O2)2.
Ni(s) + Ca(C2H3O2)2 -> no reaction
d) Aluminum dropped into a bath of sulphuric acid.
2 Al(s) + 3 H2SO4(aq) -> Al2(SO4)3 + 3 H2
Therefore the net ionic equation is
2Al(s)+3 + H2(aq)+ -> Al2(aq)+3 + H2(g)+
e) Zinc dipped into a solution of lead (II) nitrate.
Zn(s) + Pb(NO3)2(aq) -> Zn(NO3)2(aq) + Pb(s)
Therefore the net ionic equation is
Zn(s)+2 + Pb(aq)+2 -> Zn(aq)+2 + Pb(s)+2


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