Question

Balance and identify the type of reaction as oxidation-reduction, precipitation, acid-base neutralization. a. ____ NaBr +...

Balance and identify the type of reaction as oxidation-reduction, precipitation, acid-base neutralization.

a. ____ NaBr + ____ Ca(OH)2 ___ CaBr2 + ____ NaOH

b. ____ NH3+ ____ H2SO4 ____ (NH4)2SO4

c. ____ C5H9O + ____ O2 ____ CO2 + ____ H2O

d. ____ Pb + ____ H3PO4 ____ H2 + ____ Pb3(PO4)2

e. ____ Li3N + ____ NH4NO3 ___ LiNO3 + ___ (NH4)3N

f. ____ HBr + ___ Al(OH)3 ___ H2O + ___ AlBr3

Homework Answers

Answer #1

a. 2NaBr(aq) + Ca(OH)2(aq0 ------------> CaBr2(s) +2NaOH(aq)

         precipitation reaction

b. 2NH3+ 2 H2SO4 ----------> (NH4)2SO4

    acid-base reaction

c. 4C5H9O + 27O2 ------------->20CO2 + 18H2O

     oxidation-reduction ( combustion reaction)

d. 3Pb + 2 H3PO4------------>3 H2 + Pb3(PO4)2

oxidation-reduction

e. Li3N + 3NH4NO3 -----------> 3LiNO3 + (NH4)3N

      oxidation-reduction      

f. 3 HBr + 2 Al(OH)3 ---------->3 H2O + 2 AlBr3

acid- base reaction

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