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2 H2O2 + 2 K2Cr2O7 + 2 H2SO4 = 3 O2 + 2 K2SO4 + 4 H2CrO3
Pb(OH)2 + H2SO4 = H2O + PbSO4 =>
Pb(OH)2 + H2SO4 = 2 H2O + PbSO4
Na + O2 = Na2O = Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Na2B4O7 + HNO3 = NaNO3 + H2B4O7 =>
Na2B4O7 + 2 HNO3 = 2 NaNO3 + H2B4O7
MnO2 + H = MnO + H2O =>
MnO2 + 2 H = MnO + H2O
Li + HCl = LiH + Cl2 =>
2 Li + 2 HCl = 2 LiH + Cl2
LiOH + HMnO4 = LiMnO4 + H2O =>
LiOH + HMnO4 = LiMnO4 + H2O
Pb(NO3)2 + HBr = PbBr2(s) + HNO3(aq) =>
Pb(NO3)2 + 2 HBr = PbBr2(s) + 2 HNO3(aq)
Fe2(SO4)3 + KI = FeI2 + K2SO4 + I2 =>
Fe2(SO4)3 + 6 KI = 2 FeI2 + 3 K2SO4 + I2
Ag(OH)2 + HNo3 = Ag(No3)2 + H2O =>
Ag(OH)2 + 2 HNo3 = Ag(No3)2 + 2 H2O
ZnO + HNO3 = H2O + Zn(NO3)2 =>
ZnO + 2 HNO3 = H2O + Zn(NO3)2
Ca + H2O = H2 + HCaO =>
2 Ca + 2 H2O = H2 + 2 HCaO
FeO = Fe + O2 =>
2 FeO = 2 Fe + O2
C9H8O2 + Br2 = C9H8Br2O2 =>
C9H8O2 + Br2 = C9H8Br2O2
Be2 + HNO3 = BeO + H2O + NO2 =>
Be2 + 4 HNO3 = 2 BeO + 2 H2O + 4 NO2
C6H5COOCH3 + NaOH = C6H5COONa + HOCH3 =>
C6H5COOCH3 + NaOH = C6H5COONa + HOCH3
Ca + AlCl3 = Al + CaCl2 =>
3 Ca + 2 AlCl3 = 2 Al + 3 CaCl2
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3 =>
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3
PbSO4 + NaOH = PbOH + NaSO4 =>
PbSO4 + NaOH = PbOH + NaSO4
Ba(OH)2 + HF = BaF2 + H2O =>
Ba(OH)2 + 2 HF = BaF2 + 2 H2O
Fe + CaCO3 = Ca + FeCO3 =>
Fe + CaCO3 = Ca + FeCO3
Mn2O7 + H2O = Mn2O + O7H2 =>
Mn2O7 + H2O = Mn2O + O7H2
MgCl2(aq) + Na2SO4(aq) = MgSO4(s) + NaCl(aq) = =>
MgCl2(aq) + Na2SO4(aq) = MgSO4(s) + 2 NaCl(aq)
Ag2SO4 + Cu(NO3)2 = AgNO3 + CuSO4 =>
Ag2SO4 + Cu(NO3)2 = 2 AgNO3 + CuSO4
S + NH3 = HS + NH2 =>
S + NH3 = HS + NH2
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3 =>
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3
Fe(OH)3 + HI = Fe(OH)2I + H2O =>
Fe(OH)3 + HI = Fe(OH)2I + H2O
KCl + H2S = K2S + HCl =>
2 KCl + H2S = K2S + 2 HCl
Fe2(SO4)3(aq) + NH4OH(aq) = Fe(OH)3(s) + (NH4)2SO4(aq) =>
Fe2(SO4)3(aq) + 6 NH4OH(aq) = 2 Fe(OH)3(s) + 3(NH4)2SO4(aq)
SIC + KOH + H2O = K2SIO3 + K2CO3 + H2 =>
SIC + 4 KOH + 2 H2O = K2SIO3 + K2CO3 + 4 H2
S(s) + O2(s) = SO2(s) =>
S(s) + O2(s) = SO2(s)
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3 =>
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3
NaCN + CuCO3 = Na2CO3 + Cu(CN)2 =>
2 NaCN + CuCO3 = Na2CO3 + Cu(CN)2
PbCl2 + K2CrO4 = Pb(CrO4) + KCl =>
PbCl2 + K2CrO4 = Pb(CrO4) + 2 KCl
Pb(N3)2 + CO(MnO4)3 = COO + MnO2 + Pb3O4 + NO =>
15 Pb(N3)2 + 22 CO(MnO4)3 = 22 COO + 66 MnO2 + 5 Pb3O4 + 90 NO
CuSO4*5H2O = Cu + S + O2 + H2O =>
CuSO4*5H2O = Cu + S + 2 O2 + 5 H2O
CoBr2 + NH4OH = NH4Br + Co(OH)2 =>
CoBr2 + 2 NH4OH = 2 NH4Br + Co(OH)2
Be + HI = BeI2 + H2 =>
Be + 2 HI = BeI2 + H2
Fe + CaCO3 = Ca + FeCO3 =>
Fe + CaCO3 = Ca + FeCO3
CuSCN + HCl = CuCl2 + H2SCN =>
CuSCN + 2 HCl = CuCl2 + H2SCN
Al + AgNo3 = Ag + Al(No3) =>
Al + AgNo3 = Ag + Al(No3)
BaCl2 + CaCO3 = CaCl2 + BaCO3 =>
BaCl2 + CaCO3 = CaCl2 + BaCO3
KCl + H2SO4 = Cl2 + K2SO4 + H2S + H2O =>
8 KCl + 5 H2SO4 = 4 Cl2 + 4 K2SO4 + H2S + 4 H2O
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3 =>
Fe(O3)3 + BaCl2 = FeCl2 + Ba(O3)3
Mg(NO3)2*6H2O = MgO + NO2 + O2 + H2O =>
2 Mg(NO3)2*6H2O = 2 MgO + 4 NO2 + O2 + 12 H2O
Mg + FeCl3 = MgCl2 + Fe =>
3 Mg + 2 FeCl3 = 3 MgCl2 + 2 Fe
Nb2O5 + H2 = NbO2 + H2O =>
Nb2O5 + H2 = 2 NbO2 + H2O
Ca(OH)2 + SO3 = Ca2(SO4)2 + H2O =>
2 Ca(OH)2 + 2 SO3 = Ca2(SO4)2 + 2 H2O
N2H4 + H2O = N2 + H3O =>
N2H4 + 4 H2O = N2 + 4 H3O
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
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