Drill calculate the solubility of pbso 4 k sp 2 0 x 10 14
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Drill: Calculate the solubility of PbSO 4 K sp = 2.0 x 10 -14. Review Drill & Check HW. CHM II HW. Review PP-27 Complete the attached assignment & turn it in tomorrow. Oxidation Reduction Reactions (REDOX). REDOX Reactions. Chemical reactions in which electrons are transferred.

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Review drill check hw
Review Drill&Check HW


Chm ii hw
CHM II HW

  • Review PP-27

  • Complete the attached assignment & turn it in tomorrow.



Redox reactions
REDOX Reactions

  • Chemical reactions in which electrons are transferred


Oxidation number
Oxidation Number

  • The charge of a single atom


Oxidation

  • The act of losing electrons

  • Oxidation number increases


Reduction

  • The act of gaining electrons

  • Oxidation number decreases


REDOX Fact

  • You cannot have oxidation without reduction or reduction without oxidation


Oxidizing Agent

  • A substance that oxidizes another

  • The oxidizing agent will be reduced


Reducing Agent

  • A substance that reduces another

  • The reducing agent will be oxidized


Determine elements being oxidized reduced
Determine elements being: oxidized & reduced

__ MnO4-1 + __ NH3

__ MnO2 + __ NO2-1


Drill determine ox of each element
Drill: determine ox # of each element:

__MnO4-1 + __Fe

__Mn2O3 + __Fe+2



Balancing Redox Rxns

  • Determine all ox #

  • Determine elements being oxidized & reduced

  • Divide rxn into half-rxns

  • Balance half-rxns


Balancing Half-Rxns

  • Balance redox elements

  • Balance ox # with e-

  • Balance e- between the two half-rxns


Balancing Half-Rxns

  • Balance total charge with H+ or OH-

  • Balance H’s with water

  • Check balance with oxygen


Balancing Redox Rxns

5) Add the two half-reactions

  • Cancel like substances from each side of the full reaction

  • Check work


Drill: Balance Redox Rxn:

  • MnO2 + Cl-1

  • Mn+2 + Cl2

  • in acid


Review drill check hw1
Review Drill&Check HW


Chm ii hw1
CHM II HW

  • Review PP-27

  • Complete the attached assignment & turn it in on the next school day.


Ap chm hw
AP CHM HW

  • Read: Chapter 4.3

  • Problem: 40

  • Page: 108


CHM II HW

  • Read: Chapter 4.5

  • Problem: 45

  • Page: 170


Balance Redox Rxns:

  • Cr2O7-2 + NH3

  • Cr+3 + NO3-1

  • in base


Drill: Balance:

  • MnO4-1 + N2O3

  • Mn+2 + N2O5

  • in acid


Balance Redox Rxns:

  • FeCl2 + KNO3

  • FeCl3 + KNO

  • in base


Balance Redox Rxns:

  • SO2 + Pb(OH)2

  • SO3 + Pb

  • in base


Balance Redox Rxns:

  • IO3-1 + I-1

  • I3-1

  • in acid


Balance Redox Rxns:

  • MnO2 + P4

  • Mn2O7 + PH3

  • in acid


Ap chm hw1
AP CHM HW

  • Read: Chapter 4.3

  • Problems: 41

  • Page: 108


CHM II HW

  • Read: Chapter 21

  • Problems: 3

  • Page: 893


Balance Rxns:

  • HNO3 + Cu

  • N2O + Cu+2


Balance Redox Rxns:

  • Fe(NO3)3 + Cr(OH)4-1

  • Fe(NO3)2 + CrO4-2


Balance Redox Rxns:

  • SnF2 + KIO4

  • KI + SnF4

  • in acid


Balance Redox Rxns:

  • PbBr2 + O2 + K+

  • PbBr4 + K2O

  • in acid


Balance Redox Rxns:

  • Ca + VO4-3

  • CaO + V+2

  • in acid


Balance Redox Rxns:

  • Ni(OH)2 + N2H4

  • Ni + N2

  • in base


Balance Redox Rxns:

  • P2O3 + K2CrO3

  • K3PO4 + Cr+2

  • in acid


Balance Redox Rxns:

  • SO + H2Cr2O7

  • H2SO4 + Cr+2


Balance Redox Rxns:

  • PH3 + KMnO4

    P2O5 + Mn2O3

  • in KOH


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