is this correct

Anonymous
timer Asked: Sep 9th, 2013
account_balance_wallet $15

Question Description

hi i just need someone to tell me if these equations are correct if not can you please show me how to get the correct answer.

Complete and balance the following double displacement reactions and indicate the formation of any precipitates by considering the solubility of the salts produced

a.  Ba(NO3)2 + Na2SO4 → 
  Ba(NO3)2 + Na2SO4 →  BaSO4 + NaNO3
 Ba(NO3)2(aq) + Na2SO4(aq) →  BaSo4(s) + 2NaNO3(aq)
Ba2+ (aq) + 2NO-3 (aq) + 2Na+ (aq) + SO4-(aq) → BaSO4(s) + 2Na+ (aq) + 2NO3-(aq)
BaSO4→  Ba+ + SO4-

b.  Pb(NO3)2(aq) + 2NH4Cl → 2PbCl2(s) + 2 NH4NO3(aq)
Pb2+(aq)  + NO3-(aq) + , 2NH4+(aq) + 2Cl-(aq) → 2PbCl(s) + 2NH4+(aq) + NO3-(aq)
PbCl→ Pb+ + Cl-

c.  AgNO3 + NaCl → NANO3 + AGCL
AgNO3(aq) + NaCl(aq) ---> AgCl(s) + NaNO3(aq)
Ag+ + NO3- + Na+ + Cl- ---> AgCl(s) + Na+ + NO3- 
Ag+ + Cl- ---> AgCl(s

d.  CaCl2 + K2CO3 →
CaCl2 (aq) + K2CO3 (aq) --> 2KCl (aq) + CaCO3 (s)
2K+ (aq) + 2CO3- (aq) + Ca2+ (aq) + 2Cl- (aq) --> CaCO3 (s) + 2K+ (aq) + 2Cl- (aq) 
CaCO3 (s)  --> 2CO3- (aq) + Ca2+ (aq) 

e.  KOH + Fe(NO3)3 →
3KOH(aq) + Fe(NO3)3(aq)→ Fe(OH)3(s) + 3KNO3(aq) 
3k(aq) + OH(aq) + Fe(aq) + NO(aq)  → FeOH(s) + k(aq) + NO(aq)
FeOH → Fe+ + OH-


Tutor Answer

khakaan
School: Boston College

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Anonymous
Thank you! Reasonably priced given the quality not just of the tutors but the moderators too. They were helpful and accommodating given my needs.

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