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CHM 112
Section 1

Homework Assignment #10
Due February 22, 2006 by 8:05 a.m.

Practice (not to be turned in): Review Question 15.1

Complete and balance the following Arrhenius and/or Brønsted-Lowry acid-base reactions (all reactions go to completion):

0)

NH3(aq) + HCl(aq)

Ca(OH)2(s) + HClO4(aq)
 

1)

NH3(aq) + HClO4(aq)

Ca(OH)2(s) + HBr(aq)
 

2)

NH3(aq) + HBr(aq)

Ca(OH)2(s) + HI(aq)
 

3)

NH3(aq) + HI(aq)

Ca(OH)2(s) + HNO3(aq)
 

4)

NH3(aq) + HNO3(aq)

Ca(OH)2(s) + HCl(aq)
 

5)

NaOH(aq) + HCl(aq)

Ca(OH)2(s) + HF(aq)
 

6)

NaOH(aq) + HClO4(aq)

Ca(OH)2(s) + HNO2(aq)
 

7)

NaOH(aq) + HBr(aq)

Ca(OH)2(s) + HOCN(aq)
 

8)

NaOH(aq) + HI(aq)

Ca(OH)2(s) + HOCl(aq)
 

9)

NaOH(aq) + HNO3(aq)

Ca(OH)2(s) + HCN(aq)
 

Be sure to denote all the phases of matter for each component in the reaction, show all dissolved ionic compounds as separated ions, and correctly denote the charges on ions.



Answers:

0)

NH3(aq) + HCl(aq) NH4+(aq) + Cl(aq)

Ca(OH)2(s) + 2 HClO4(aq) 2 H2O(l) + Ca2+(aq) + 2 ClO4(aq)
 

1)

NH3(aq) + HClO4(aq) NH4+(aq) + ClO4(aq)

Ca(OH)2(s) + 2 HBr(aq) 2 H2O(l) + Ca2+(aq) + 2 Br(aq)
 

2)

NH3(aq) + HBr(aq) NH4+(aq) + Br(aq)

Ca(OH)2(s) + 2 HI(aq) 2 H2O(l) + Ca2+(aq) + 2 I(aq)
 

3)

NH3(aq) + HI(aq) NH4+(aq) + I(aq)

Ca(OH)2(s) + 2 HNO3(aq) 2 H2O(l) + Ca2+(aq) + 2 NO3(aq)
 

4)

NH3(aq) + HNO3(aq) NH4+(aq) + NO3(aq)

Ca(OH)2(s) + 2 HCl(aq) 2 H2O(l) + Ca2+(aq) + 2 Cl(aq)
 

5)

NaOH(aq) + HCl(aq) H2O(l) + Na+(aq) + Cl(aq)

Ca(OH)2(s) + 2 HF(aq) 2 H2O(l) + Ca2+(aq) + 2 F(aq)
 

6)

NaOH(aq) + HClO4(aq) H2O(l) + Na+(aq) + ClO4(aq)

Ca(OH)2(s) + 2 HNO2(aq) 2 H2O(l) + Ca2+(aq) + 2 NO2(aq)
 

7)

NaOH(aq) + HBr(aq) H2O(l) + Na+(aq) + Br(aq)

Ca(OH)2(s) + 2 HOCN(aq) 2 H2O(l) + Ca2+(aq) + 2 OCN(aq)
 

8)

NaOH(aq) + HI(aq) H2O(l) + Na+(aq) + I(aq)

Ca(OH)2(s) + 2 HOCl(aq) 2 H2O(l) + Ca2+(aq) + 2 OCl(aq)
 

9)

NaOH(aq) + HNO3(aq) H2O(l) + Na+(aq) + NO3(aq)

Ca(OH)2(s) + 2 HCN(aq) 2 H2O(l) + Ca2+(aq) + 2 CN(aq)