Chemical Reactions From the balanced molecular equations, write the complete ion

Question

Chemical Reactions From the balanced molecular equations, write the complete ionic and net ionic equations for the following: 1. a) KCO. (a) Ba(OH): (aq) 2 KOH (aq)+ BaCO. (s) b) Pb(NO(a)+ HSO, (aq) PbSO. (s)+2 HNO. (aq) 2. Use the following equations to answer parts (a) through (d): i. H2O (s) H:O (1) ii. Na (a)+C(aq)+ Ag (a)+NOs (aq) AgCI (s)+Na(aq)+ NO (aq) ii CHOH (g)+O: (g) > CO: (g)+ H:O (g) a) Which equation describes a physical change? b) Which equations identifies the reactants and products of a combustion reaction? c) Which equation is not balanced? d) Which is a complete ionic equation? 3. Write the molecular, complete ionic, and net ionic equations for the following reactions: a) Cu(NO): (aq) + (NH4)S (aq) ? b) AgNO (aq)+ HCI (aq)> 4. Classify the following as acid-base reactions or oxidation-reduction (redox) reactions. If redox specify what type a) 2 Na (s) +2 HCI (a) 2 NaCI (a) H: (g) b) Mg (s)+Cl: (g) >MgCl c) Mgo (s)+2HC (aqMgCh (a)+Ho d) KP (s)+20 (g) K.PO. (s)

Explanation / Answer

Ans 1

Part a

Molecular reaction

K2C2O4 (aq) + Ba(OH)2 (aq) = 2 KOH (aq) + BaC2O4(s)

Complete ionic equation

2K+ + C2O4(-2) + Ba2+ + 2OH- = 2K+ + 2OH- + BaC2O4(s)

Net ionic equation

C2O4(-2) + Ba2+ = BaC2O4(s)

Part b

Molecular reaction

Pb(NO3)2 (aq) + H2SO4 (aq) = PbSO4(s) + 2HNO3(aq)

Complete ionic equation

Pb2+ + 2NO3- + 2H+ + SO4(-2) = PbSO4(s) + 2H+ + 2NO3-

Net ionic equation

Pb2+ + SO4(-2) = PbSO4(s)

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