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2 Pb3O4 = 6 PbO + O2
MnSO4 + H2C2O4 + H2O = MnC2O4*3H2O + H2SO4 =>
MnSO4 + H2C2O4 + 3 H2O = MnC2O4*3H2O + H2SO4
AgNO3(aq) + NiSO4(aq) = Ag2SO4(s) + Ni(NO3)2(aq) =>
2 AgNO3(aq) + NiSO4(aq) = Ag2SO4(s) + Ni(NO3)2(aq)
CuSO4 + HgNO3 = Cu(NO3)2 + Hg2SO4 =>
CuSO4 + 2 HgNO3 = Cu(NO3)2 + Hg2SO4
Ba(HCO3)2 + HCl = BaCl2 + H2OCO2 =>
Ba(HCO3)2 + 2 HCl = BaCl2 + 2 H2OCO2
CH2I2 + Cu = C2H4 + CuI =>
2 CH2I2 + 4 Cu = C2H4 + 4 CuI
MgCl + NaCo3 = NaCl + MgCo3 =>
MgCl + NaCo3 = NaCl + MgCo3
HNO2 + Cl2 = HClO3 + NO + H2O =>
10 HNO2 + Cl2 = 2 HClO3 + 10 NO + 4 H2O
FeO4{2-} + NH3 + H{+} = Fe{3+} + N2 + H2O =>
2 FeO4{2-} + 2 NH3 + 10 H{+} = 2 Fe{3+} + N2 + 8 H2O
C7H12O2 + O3 = C + H2O =>
3 C7H12O2 + 4 O3 = 21 C + 18 H2O
Au2O3S2 + H2O = Au2S + H2SO4 =>
Au2O3S2 + H2O = Au2S + H2SO4
CO2(g) + H2O = C2H6(g) + O2(g) =>
4 CO2(g) + 6 H2O = 2 C2H6(g) + 7 O2(g)
Cd(OH)2 + HCl = HOH + CdCl2 =>
Cd(OH)2 + 2 HCl = 2 HOH + CdCl2
CaCl2 + Li2CO3 = Li2Cl2 + CaCO3 =>
CaCl2 + Li2CO3 = Li2Cl2 + CaCO3
C12H22O11 + O2 = CO2 + H2O =>
C12H22O11 + 12 O2 = 12 CO2 + 11 H2O
FeCl3 + C4H6O6 = Fe2(C4H4O6)3 + HCl =>
2 FeCl3 + 3 C4H6O6 = Fe2(C4H4O6)3 + 6 HCl
FeCl3(aq) + Pb(C2H3O2)2(aq) = Fe(C2H3O2)3(aq) + PbCl2(s) =>
2 FeCl3(aq) + 3 Pb(C2H3O2)2(aq) = 2 Fe(C2H3O2)3(aq) + 3 PbCl2(s)
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
ZnS + H{+} = Zn{2} + H2S =>
ZnS + 2 H{+} = Zn{2} + H2S
ZnBr2 + AgNO3 = Zn(NO3)2 + AgBr =>
ZnBr2 + 2 AgNO3 = Zn(NO3)2 + 2 AgBr
CaCl{+2} + KOH = Ca(OH){+2} + KCl =>
CaCl{+2} + KOH = Ca(OH){+2} + KCl
CaCl2 + H2SO4 = Ca(ClO3)2 + SO2 + H2O =>
CaCl2 + 6 H2SO4 = Ca(ClO3)2 + 6 SO2 + 6 H2O
C2H4(g) + O2(g) = C2H4O2(g) =>
C2H4(g) + O2(g) = C2H4O2(g)
Al(OH)3 + Sr(OH)2 = Sr(AlO2)2 + H2O =>
2 Al(OH)3 + Sr(OH)2 = Sr(AlO2)2 + 4 H2O
Zn + NH4OH = Zn(OH)2 + NH3 + H2 =>
Zn + 2 NH4OH = Zn(OH)2 + 2 NH3 + H2
CrO2 + HCl = CrCl4 + H2O =>
CrO2 + 4 HCl = CrCl4 + 2 H2O
CaS + HBr = CaSBr + H =>
CaS + HBr = CaSBr + H
N2 + H2SO4 = NSO4 + H2 =>
N2 + 2 H2SO4 = 2 NSO4 + 2 H2
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
NaNO3 + K2S = KNO3 + Na2S =>
2 NaNO3 + K2S = 2 KNO3 + Na2S
CuSO4 + HCl = CuCl2 + H2SO4 =>
CuSO4 + 2 HCl = CuCl2 + H2SO4
K2MnO4 + NaOH = NaMnO4 + K2OH =>
K2MnO4 + NaOH = NaMnO4 + K2OH
CuCO3 + HCl = CuCl2 + H2CO3 =>
CuCO3 + 2 HCl = CuCl2 + H2CO3
Cd(OH)2 + HCl = CdCl2 + H2O =>
Cd(OH)2 + 2 HCl = CdCl2 + 2 H2O
H2O2(l) = H2O(l) + O2(g) =>
2 H2O2(l) = 2 H2O(l) + O2(g)
MgCl + NaCo3 = NaCl + MgCo3 =>
MgCl + NaCo3 = NaCl + MgCo3
NaNO3 + KBr + H2SO4 = K2SO4 + H2O + Br2 + Na2SO4 + NO =>
2 NaNO3 + 6 KBr + 4 H2SO4 = 3 K2SO4 + 4 H2O + 3 Br2 + Na2SO4 + 2 NO
HCl + Mg3P2 = PH3 + MgCl2 =>
6 HCl + Mg3P2 = 2 PH3 + 3 MgCl2
H{+} + NO2{-} + I{-} = I2 + N2 + H2O =>
8 H{+} + 2 NO2{-} + 6 I{-} = 3 I2 + N2 + 4 H2O
FeF3 + H2O = Fe2O3 + HF =>
2 FeF3 + 3 H2O = Fe2O3 + 6 HF
(NH4)3PO4 + Ca(OH)2 = NH4OH + Ca3(PO4)2 =>
2(NH4)3PO4 + 3 Ca(OH)2 = 6 NH4OH + Ca3(PO4)2
C57H92O6 + H2 = C57H108O6 =>
C57H92O6 + 8 H2 = C57H108O6
Sr(OH)2 + P2O5 = Sr3(PO4)2 + H2O =>
3 Sr(OH)2 + P2O5 = Sr3(PO4)2 + 3 H2O
FeBr2 + HNO3 = Fe(NO3)3 + NO2 + H2O + HBr =>
FeBr2 + 4 HNO3 = Fe(NO3)3 + NO2 + H2O + 2 HBr
ClO = ClOOCl =>
2 ClO = ClOOCl
NaClO3 = O + NaCl =>
NaClO3 = 3 O + NaCl
H3PO4 + HCl = H4PO4Cl =>
H3PO4 + HCl = H4PO4Cl
Pb(NO3)2 + Na2CO3 = PbCO3 + NaNO3 =>
Pb(NO3)2 + Na2CO3 = PbCO3 + 2 NaNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Pb(OH)2 + NaOH = Pb(OH)3 + Na =>
Pb(OH)2 + NaOH = Pb(OH)3 + Na
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