5678

which product balances the chemical equation below

3AgNO3(aq) + FeCl3(aq) ---> 3AgCl(s) + ___

• FeCl (aq)

• FeCl2 (aq)

• Fe(NO3)3 (aq)

• FeNO3 (aq)

Complete the following chemical equation

_______ + 3 Sn(NO3)4 + Sn3(PO4)4 + 12NaNO3

• 4 Na3Po4

• 12NaPO4

• Na12PO4

• 6 Na2PO4

which reaction between phosphorus trihydride and oxygen follows the law of conservation of mass

• 8PH3 + O2 2P4H10 + 2H2O

• 8PH3 + 2O2 2P4H10 + 2H2O

• 4PH3 + O2 P4H10 + 2H20

• 4Ph3 + O2 P4H10 + 6H2O

Identify the balenced chemical equation

• 3NO2 + H2O ---> 2HNO3 + 3NO

• NO2 + H2O ----> HNO3 +NO

• NO2 + 2H2O ----> 4HNO3 +NO

• 3NO2 + H2O ---> 2HNO3 + NO

the combustion that takes place in a automobile engine can best be represented by reacting octane (c8H18) with oxygen gas to produce carbon dixode and water. which represents the balanced chemical reaction

• 2C8H18 + 8O2 8CO2 + 18H2O

• C8H18 + O2 CO2 + H2O

• 2C8H18 + 25O2 16CO2 + 18H2O

• C8H18 + O2 8CO2 + 9H2O

which of the following is the correct coefficient for aluminum in the balanced reactions of aluminum and copper(11) sulfate

• 2Al + CuSO4 Al2(So4)3 + Cu

• 2Al + 4CuSO4 Al2(So4)3 + Cu

• 2Al + 5CuSO4 Al2(So4)3 + 5Cu

• 2Al + 9CuSO4 Al2(So4)3 + 10Cu

given the equation KMnO4 + HCl KCl + MnCl2 + Cl2 + __ H2O

what is the coefficent of water when the equation is balanced

• 3

• 5

• 8

• 10

The soulibility rules for various salts in water indicate most salts of ___ are not soulable in water

• Ag+

• Li+

• Na+

• K+

which compund in this reaction is the participate

3CaCl2 + 2Na2PO4 6NaCl + Ca2(PO4)2

• Na2PO4

• CaCl2

• NaCl

• Ca3(PO4)2

which of the following sets contain componds which are all soluable in water

• PbCl2, CaI2, HgSO4, Fe(OH)2

• LiNO3, KOH, Na2CO3, Rb2S

• CS2, BPO4, AL(OH)3, BaSO4

• NH4F, AgCl, PbSO4, Be(OH)2