5.02 SCOS KELLY BAXLEY: Question Preview (ID: 9644)


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Which equation is balanced correctly?
a) 2Cu(s) + 2O2 (g)-->2O2(g) + 2Cu(s) b) Fe(s) + 4H2O(g)-->4H2(g) + Fe3O4(s) c) 2Cu(s) + O2(g) -->2CuO(s) d) 2Na(s) + ZnI2(aq)-->2NaI2(aq) + Zn(s)
Write a balanced equation for: Solid dinitrogen pentoxide is added to water.
a) N2O5 + H2O → 2H + 2NO3 b) NO2 + H2O→ 2H + NO2 c) 2NO3 + H2O→ H2 + 2NO3 d) 3NO4 + H2O→ H2 + NO2
BaO is a(n):
a) Cation b) Ionic Compound Formula c) Anion d) None of the above
Using the complete ionic equation 2K(aq)+2Cl(aq)+Pb(aq)+2NO3(aq) → 2K(aq)+2NO3+PbCl2(s) which answer choice is the net ionic equation?
a) 2Cl(aq)+Pb(aq)-->PbCl2(s) b) 3Cl(aq)+Pb(aq)-->PbCl3(s) c) NO3(aq)-->2NO3(aq) d) 2K+NO3-->2K+NO3
Write the net ionic equations for Na3PO4(aq) + 3 AgNO3(aq) 3 NaNO3(aq) + Ag3PO4(s)
a) 3Ag(aq)+3Na(aq)-->3AgNa(aq) b) NO3(aq)+Ag(s)-->NO3Ag(s) c) 3 Ag(aq) + PO4(aq)–> Ag3PO4(s) d) NO3(aq)+Na(s)-->NaNO3(s)
Which of the following is Na3PO4(aq) + AgNO3(aq) --> NaNO3(aq) + Ag3PO4(s) properly balanced?
a) Na3PO4(aq)+3AgNO3(aq)-->NaNO3(aq)+Ag3PO4(s) b) Na3PO4(aq) + AgNO3(aq) --> NaNO3(aq) + Ag3PO4(s) c) 2Na3PO4(aq)+AgNO3(aq)-->2NaNO3(aq)+Ag3PO4(s) d) Na3PO4(aq)+3AgNO3(aq)-->3NaNO3(aq)+Ag3PO4(s)
Which of the following is not an ionic compound formula?
a) H2 b) LiI c) KI d) CsBr
Which of the following is the net ionic equation for Pb(NO3)2(aq) + Na2SO4(aq) --> PbSO4(s) + 2 NaNO3(aq)?
a) Pb(aq) + SO4(aq) --> PbSO4(s) b) Pb(aq)+NO3(aq)-->Pb(s)+NO3(aq) c) NaSO4(aq)+Pb(aq) --> PbSO4(aq)+Na(aq) d) PbSO4(s) --> 2 NaNO3(aq)
Write Carbon + Oxygen --> Carbon Monoxide as a balanced equation.
a) 3 C2(s) + 3O2(g) --> 6 CO(g) b) C(s) + O(g) --> CO(g) c) C2(s) + O2(g) --> 2CO(g) d) 2 C(s) + O2(g) --> 2 CO(g)
Write a net ionic equation for 6 Na+ (aq) + 2 PO43- (aq) + 3 Ca2+ (aq) + 6 Cl- (aq) --> 6 Na+ (aq) + 6 Cl- (aq) + Ca3(PO4)2 (s)
a) 6 Na(aq) + 3 Ca(aq) --> 6NaCa(aq) b) 2 PO4 (aq) + 3 Ca (aq) --> Ca3(PO4)2 (s) c) 6 Na(aq) + 2 PO4(aq) --> 6 Na(aq) + 2 PO4(aq) d) 6 Na(aq) + 6 Cl(aq) --> 6 Na(aq) + 6 Cl(aq)
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