Question

Balance the following equations: 1. _____ZnSO4+_____LiCO3 ----->_____ZnCO3+_____LiSO4 2. _____H2O+______O2 ----->_____H2O2 3. ______Fe(SO4)3+_____KSCN ---->_____K3Fe(SCN)6+____K2SO4 4. ____V2O5+_____CaS ---->______CaO______V2S5...

Balance the following equations:

1. _____ZnSO4+_____LiCO3 ----->_____ZnCO3+_____LiSO4

2. _____H2O+______O2 ----->_____H2O2

3. ______Fe(SO4)3+_____KSCN ---->_____K3Fe(SCN)6+____K2SO4

4. ____V2O5+_____CaS ---->______CaO______V2S5

5. _____NaNO3+_____PbO ---->______Pb(NO3)2+______Na2O

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Answer #1

Answer:

Unbalanced:

1. _____ZnSO4+_____LiCO3 ----->_____ZnCO3+_____LiSO4

2. _____H2O+______O2 ----->_____H2O2

3. ______Fe(SO4)3+_____KSCN ---->_____K3Fe(SCN)6+____K2SO4

4. ____V2O5+_____CaS ---->______CaO______V2S5

5. _____NaNO3+_____PbO ---->______Pb(NO3)2+______Na2O

Balanced:

1) ZnSO4 + Li2CO3 = ZnCO3 + Li2SO4

2) 2 H2O + O2 = 2 H2O2

3) Fe2(So4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2So4

4) V2O5 + 5 CaS = 5 CaO + V2S5

5) 2 NaNO3 + PbO = Pb(NO3)2 + Na2O

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