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3 CaO2 + 4 Al = 2 Al2O3 + 3 Ca
BaCO3 + Fe2O3 = Ba2Fe2O5 + CO2 =>
2 BaCO3 + Fe2O3 = Ba2Fe2O5 + 2 CO2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
CuI2 + Na2CO3 = Na2I2 + CuCO3 =>
CuI2 + Na2CO3 = Na2I2 + CuCO3
CH3CH2OH(v) + O2 = C2H2 + H2O =>
2 CH3CH2OH(v) + O2 = 2 C2H2 + 4 H2O
Al(OH)3 + AgNO3 = Ag(OH)3 + AlNO3 =>
Al(OH)3 + AgNO3 = Ag(OH)3 + AlNO3
Na + F2O3 = Na2O + F3 =>
18 Na + 3 F2O3 = 9 Na2O + 2 F3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
FeCl3 + Hg(NO3) = Fe(NO3)3 + HgCl =>
FeCl3 + 3 Hg(NO3) = Fe(NO3)3 + 3 HgCl
Pb(ClO3)4 + Mg = Mg(ClO3)4 + Pb =>
Pb(ClO3)4 + Mg = Mg(ClO3)4 + Pb
HCl + H2O + Zn = H3O + ZnCl2 =>
2 HCl + 2 H2O + Zn = 2 H3O + ZnCl2
CH3Br + NaCCH = BrCCH + CH3Na =>
CH3Br + NaCCH = BrCCH + CH3Na
P + HNO3 = H2(PO4)2 + NO2 + H2O =>
2 P + 14 HNO3 = H2(PO4)2 + 14 NO2 + 6 H2O
NH4I(aq) + KOH(aq) = H2O + KI + N + H3 =>
NH4I(aq) + KOH(aq) = H2O + KI + N + H3
C12H22O4 + HSO4 = C + H2O + HS =>
4 C12H22O4 + 7 HSO4 = 48 C + 44 H2O + 7 HS
O2 + P4 = P2O10 =>
10 O2 + P4 = 2 P2O10
Ca(ClO)2 + NaCl = NaClO + CaCl2 =>
Ca(ClO)2 + 2 NaCl = 2 NaClO + CaCl2
CoI2 + AgC2H3O2 = CoC2H3O2 + AgI2 =>
CoI2 + AgC2H3O2 = CoC2H3O2 + AgI2
SiO2 + C = Si + CO =>
SiO2 + 2 C = Si + 2 CO
Ce{4+} + I{-} = Ce{+3} + I2 =>
2 Ce{4+} + 2 I{-} = 2 Ce{+3} + I2
Fe6 + CO3 = Fe(CO3)2 =>
Fe6 + 12 CO3 = 6 Fe(CO3)2
KHC8H4O4 + NaOH = Na + K + C8HO4 + H2O =>
KHC8H4O4 + 4 NaOH = 4 Na + K + C8HO4 + 4 H2O
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
Au + HCl + HNO3 = H2O + HAuCl4 + NO =>
Au + 4 HCl + HNO3 = 2 H2O + HAuCl4 + NO
Nb2O5 + H2 = Nb2O2 + H2O =>
Nb2O5 + 3 H2 = Nb2O2 + 3 H2O
Li + ZnBr3 = LiBr + Zn =>
3 Li + ZnBr3 = 3 LiBr + Zn
C5H12(g) + O2(g) = CO2(g) + H2O(g) =>
C5H12(g) + 8 O2(g) = 5 CO2(g) + 6 H2O(g)
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
C2H4 + HClO = C2H5OCl =>
C2H4 + HClO = C2H5OCl
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CO2 + KOH = K2CO3 + H2O =>
CO2 + 2 KOH = K2CO3 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
SnCl4 + Ti(NO3)3 = Sn(NO3)4 + TiCl3 =>
3 SnCl4 + 4 Ti(NO3)3 = 3 Sn(NO3)4 + 4 TiCl3
C2H4O + C4H9OH = C6H14O2 =>
C2H4O + C4H9OH = C6H14O2
NH4CH3COO + H2O = CH3COOH + NH4OH =>
NH4CH3COO + H2O = CH3COOH + NH4OH
[Zn(NH3)4] + KCN = K2[Zn(CN)4] + K + NH3 =>
[Zn(NH3)4] + 4 KCN = K2[Zn(CN)4] + 2 K + 4 NH3
CaCaCl = Ca2Cl =>
CaCaCl = Ca2Cl
H2 + C = CH4 =>
2 H2 + C = CH4
CuSO4*5H2O + NaHCO3 = CO2 + CuCO3 + H2O + Na2SO4 =>
CuSO4*5H2O + 2 NaHCO3 = CO2 + CuCO3 + 6 H2O + Na2SO4
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
NO2 + HClO + H2O = HNO3 + HCl =>
2 NO2 + HClO + H2O = 2 HNO3 + HCl
SeO3 + S = SO2 + SeO2 =>
2 SeO3 + S = SO2 + 2 SeO2
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
HC2H3O2(aq) + NaHSO3(aq) = NaC2H3O2(s) + H2O(aq) + SO2(g) =>
HC2H3O2(aq) + NaHSO3(aq) = NaC2H3O2(s) + H2O(aq) + SO2(g)
Na + H2O = NaO + H2 =>
Na + H2O = NaO + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(ClO)2 + NaOH = Ca(OH)2 + NaClO =>
Ca(ClO)2 + 2 NaOH = Ca(OH)2 + 2 NaClO
FeCO3 + V(OH)5 = V2(CO3)5 + Fe(OH)2 =>
5 FeCO3 + 2 V(OH)5 = V2(CO3)5 + 5 Fe(OH)2
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