Pg. 173 #11

2 4 2 4

3 2 2 3

4 3 4 3

3 3 3 2 2

( ) 2 ( ) ( ) 2 ( )

( ) ( ) 2 2 ( )

( ) ( ) ( ) ( ) 2 ( ) ( ) ( ) ( )

H SO aq NaOH aq Na SO aq HOH

Pb NO aq KBr PbBr KNO aq

NH Cl aq AgNO aq AgCl NH NO aqCaCO s CH COOH aq Ca CH COO aq CO g

( )HOH

Pg. 173 #12

4 2 4 2

3 4 3 4

3 3 4 3 4 2

( ) 2 ( ) ( ) ( ) ( ) ( ) 3 ( ) ( ) 3 ( )

3 ( ) ( ) ( ) 3 ( )

CuSO aq KOH aq K SO aq Cu OH sH PO aq NaOH aq Na PO aq HOHNaHCO s H PO aq Na PO aq CO g

3 3 2 3 3 2

3 ( )2 ( ) 3 ( ) ( ) 2 ( ) ( ) 3 ( )

HOHAlCl aq Pb NO aq Al NO aq PbCl s

Pg. 173 #13a

2 4 (s) ( )Ag H SO aq

The reaction does not work because silver is less reactive than hydrogen. That is, it is lower on the activity series.

Pg. 173 #13b

2 ( ) ( )Cl g NaBr aq

2 2 ( ) ( ) ( ) ( )Cl g NaBr aq Br NaCl aq

This reaction will work because chlorine is more reactive then bromine. That is, it is higher on the activity series.

2 2 ( ) 2 ( ) ( ) 2 ( )Cl g NaBr aq Br NaCl aq

Pg. 173 #13c

2 ( ) ( )Mg s ZnCl aq

2 2 ( ) ( ) ( ) ( )Mg s ZnCl aq Zn s MgCl aq

This reaction will work because magnesium is more reactive then zinc. That is, it is higher on the activity series.

This reaction is already balanced.

Pg. 173 #13d

3 ( ) ( )Pb s AgNO aq

3 3 2 ( ) ( ) ( ) ( ) ( )Pb s AgNO aq Ag s Pb NO aq

This reaction will work because lead is more reactive then silver. That is, it is higher on the activity series.

3 3 2 ( ) 2 ( ) 2 ( ) ( ) ( )Pb s AgNO aq Ag s Pb NO aq

Pg. 173 #15

2 2

3 2

2 4 2 4

2 2

( ) ( ) 2 ( ) ( ) ( ) ( )

( ) ( ) ( ) ( )

( ) 2 ( ) 2 ( ) ( )

H g I s HI gCaCO s CaO s CO gMg s H SO aq H g MgSO aq

FeCl aq NaOH aq NaCl aq Fe OH

Pg. 173 #17

2

3 2 3 2 2

4 4

2

3 4 3 4

2 ( ) ( ) 2 ( )2 ( ) ( ) ( ) ( )

( ) ( ) ( ) ( ) ( ) 2 ( ) ( ) ( )

( ) 3 ( ) ( ) 3 (

Ba s O s BaO sNaHCO s Na CO s CO g H ONi s CuSO aq Cu s NiSO aqMgO s HCl aq MgCl aq HOHH PO aq KOH aq K PO aq HOH

)

Pg. 173 #21

2 2( ) 65.3 CaO H O Ca OH kJ

2 3 2

2 3 2

1630 3260 2 3 4

kJ Al O O AlkJ Al O O Al

Pg. 174 #233 2

2 4 2 4

2 2

2 ( ) 2 ( ) 3 ( )decomposition

( ) ( ) ( ) ( )single displacement

( ) ( ) ( )synthesis

( ) ( ) ( ) ( )double displaceme

AgClO s AgCl s O g

H SO aq Fe s H g FeSO aq

Cl g Zn s ZnCl s

KOH aq HBr aq KBr aq HOH

nt/acid-base neutralization

Pg. 174 #24

3 2 3 2

2 2

2

2 4 2 3 3 4

( ) ( ) ( ) ( ) ( ) ( )double displacement

( ) ( ) ( ) ( )synthesis2 ( ) 2 ( ) ( )decomposition

( ) ( ) ( ) ( ) 2 ( )double

Ni s Pb NO aq Pb s Ni NO aq

MgO s H O Mg OH s

HgO s Hg O g

PbCl aq NH CO aq PbCO s NH Cl aq

displacement

Pg. 174 #30

This reaction will not take place because zinc is less reactive than magnesium. For a single displacement reaction to work, the free state element must be more reactive than the element it is trying to replace.

Pg. 174 #32

2 2

2 3

2 2 2 3

2 2

4 22 3 2

( )

K O K OAl Cl AlClCO H O H COCaO H O Ca OH

Pg. 174 #34

2 4 2 4

3 2 3 2

3 3 2

4 2 4 3

( ) ( ) ( ) ( )2 ( ) 3 ( ) 2 ( ) 3 ( )

( ) 2 ( ) 2 ( ) ( ) ( )2 ( ) 3 ( ) ( ) ( ) 3 ( )

Zn s H SO aq H g ZnSO aqAlI aq Cl g AlCl aq I sMg s AgNO aq Ag s Mg NO aqAl s CoSO aq Al SO aq Co s

Pg. 174 #35a

2 2 ( ) 2 ( ) ( ) ( ) 2 ( )ZnCl aq KOH aq Zn OH s KCl aq

This reaction will work because zinc hydroxide will be a precipitate.

2 ( ) ( )ZnCl aq KOH aq

Pg. 174 #35b

4 2 ( ) ( )CuSO aq H S aq

4 2 2 4 ( ) ( ) ( ) ( )CuSO aq H S aq CuS s H SO aq

This reaction is already balanced.

This reaction will work because copper(II) sulfide will be a precipitate.

Pg. 174 #35c

2 3 4( ) ( ) ( )Ca OH aq H PO aq

2 3 4 2 3 4 23 ( ) ( ) 2 ( ) 6 ( ) ( ) ( )Ca OH aq H PO aq H O Ca PO s

This reaction will work because calcium phosphate will be a precipitate and water is produced.

Pg. 174 #35d

4 3 4 3 2( ) ( ) ( ) ( )NH PO aq Ni NO aq

4 3 4 3 2 4 3 3 4 22( ) ( ) 3 ( ) ( ) 6 ( ) ( ) ( )NH PO aq Ni NO aq NH NO aq Ni PO s

This reaction will work because nickel(II) phosphate will be a precipitate.

Pg. 174 #35e

2 3( ) ( ) ( )Ba OH aq HNO aq

2 3 3 2 2( ) ( ) 2 ( ) ( ) ( ) 2 ( )Ba OH aq HNO aq Ba NO aq H O

This reaction will work because water is produced.

Pg. 174 #35f

4 2( ) S ( ) ( )NH aq HCl aq

This reaction works because hydrogen sulfide is a gas.

4 2 4 2( ) S ( ) 2 ( ) 2 ( ) ( )NH aq HCl aq NH Cl aq H S g

Pg. 174 #36a

3 ( ) ( )AgNO aq KCl aq

3 3 ( ) ( ) ( ) ( )AgNO aq KCl aq KNO aq AgCl s

This reaction is already balanced.

This reaction will work because silver chloride will be a precipitate.

Pg. 174 #36b

3 2 4( ) ( ) ( )Ba NO aq MgSO aq

3 2 4 4 3 2( ) ( ) ( ) ( ) ( )Ba NO aq MgSO aq BaSO Mg NO aq

This reaction is already balanced.

This reaction will work because barium sulfate will be a precipitate.

Pg. 174 #36c

2 4 2 ( ) ( ) ( )H SO aq Mg OH aq

This reaction will work because the reaction produces water, which is not aqueous.

2 4 2 4 2 ( ) ( ) ( ) ( ) 2 O ( )H SO aq Mg OH aq MgSO aq H

Pg. 174 #36d

2 4 ( ) ( )MgO s H SO aq

2 4 4 2 ( ) ( ) ( ) O ( )MgO s H SO aq MgSO aq H

This reaction is already balanced.

This reaction will work because the reaction produces water, which is not aqueous.

Pg. 174 #36e

2 3 4 ( ) ( )Na CO aq NH Cl aq

This reaction will not work because the predicted products will contain either sodium or ammonium, both of which make aqueous compounds.

Pg. 174 #37

4 2 2 2

2 2 2

2 22 2CH O CO H OH O H O

Pg. 175 #38

2 6 2 2 2

6 6 2 2 2

7 16 2 2 2

2 7 4 62 9 6 6

11 7 8

C H O CO H OC H O CO H OC H O CO H O