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3 Ca(C2H3O2)2 + Al2(SO3)3 = 3 CaSO3 + 2 Al(C2H3O2)3
CH3CHOH + O2 = H2O + CH3COOH =>
4 CH3CHOH + 3 O2 = 2 H2O + 4 CH3COOH
ZnC4H6O4 + Na = C2H3NaO2 + Zn =>
ZnC4H6O4 + 2 Na = 2 C2H3NaO2 + Zn
F2(g) + N2(g) = NF3(g) =>
3 F2(g) + N2(g) = 2 NF3(g)
Fe(s) + H2O(l) = Fe2O4 + H2 =>
2 Fe(s) + 4 H2O(l) = Fe2O4 + 4 H2
H3PO4 = H4P2O7 + H2O =>
2 H3PO4 = H4P2O7 + H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb =>
Fe + Pb(NO3)2 = Fe(NO3)2 + Pb
HNO3 + S = SO2 + NO + H2O =>
4 HNO3 + 3 S = 3 SO2 + 4 NO + 2 H2O
CrO + H2O = CrO2H2 =>
CrO + H2O = CrO2H2
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
(NH4)2SO4 + NaOH = Na2SO4 + H2O + NH3 =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 H2O + 2 NH3
SiCl4 = Si + Cl2 =>
SiCl4 = Si + 2 Cl2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH4Br(aq) + Pb(C2H3O2)2(aq) = NH4C2H3O2 + PbBr2 =>
2 NH4Br(aq) + Pb(C2H3O2)2(aq) = 2 NH4C2H3O2 + PbBr2
KOH + NO2 = KNO3 + H2 =>
2 KOH + 2 NO2 = 2 KNO3 + H2
Fe2O3MgCO3 = Mg(FeO2)2CO2 =>
Fe2O3MgCO3 = Mg(FeO2)2CO2
Fe(s) + Br2(l) = FeBr3(s) =>
2 Fe(s) + 3 Br2(l) = 2 FeBr3(s)
Ba(NO3)2(aq) + HCl(aq) = BaCl2(aq) + HNO3(aq) =>
Ba(NO3)2(aq) + 2 HCl(aq) = BaCl2(aq) + 2 HNO3(aq)
Ca(s) + Br2(l) = CaBr2(s) =>
Ca(s) + Br2(l) = CaBr2(s)
CuSO4 + NH3 = NH3(SO4) + Cu =>
CuSO4 + NH3 = NH3(SO4) + Cu
Al(s) + Br2(l) = AlBr3(s) =>
2 Al(s) + 3 Br2(l) = 2 AlBr3(s)
Cu(NO3)2 + Al = Al(NO3)3 + Cu =>
3 Cu(NO3)2 + 2 Al = 2 Al(NO3)3 + 3 Cu
MgCO3 + HCl = Cl2Mg + H2O + CO2 =>
MgCO3 + 2 HCl = Cl2Mg + H2O + CO2
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO3 + HCl =>
2 C2H5NSCl + 11 O2 = 4 CO2 + 4 H2O + 2 NO2 + 2 SO3 + 2 HCl
CH3CH2CCH(g) + Br2(l) = CH3CH2CBr2CHBr2(l) =>
CH3CH2CCH(g) + 2 Br2(l) = CH3CH2CBr2CHBr2(l)
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
C7H6O + C3H4O4 = C9H8O2 =>
6 C7H6O + C3H4O4 = 5 C9H8O2
K(s) + I2(s) = KI(s) =>
2 K(s) + I2(s) = 2 KI(s)
Al(s) + I2(s) = AlI3(s) =>
2 Al(s) + 3 I2(s) = 2 AlI3(s)
Fe(OH)3 + HCN = Fe(CN)3 + H2O =>
Fe(OH)3 + 3 HCN = Fe(CN)3 + 3 H2O
I2(s) + Na2S2O3(aq) = Na2S4O6(aq) + NaI(aq) =>
I2(s) + 2 Na2S2O3(aq) = Na2S4O6(aq) + 2 NaI(aq)
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
S3 + O2 = SO3 =>
2 S3 + 9 O2 = 6 SO3
H2O2 + N2O3 = N2O5 + H2O =>
2 H2O2 + N2O3 = N2O5 + 2 H2O
H3(PO4) + Ni(OH)2 = H2O + Ni3(PO4)2 =>
2 H3(PO4) + 3 Ni(OH)2 = 6 H2O + Ni3(PO4)2
PbO + O2 = PbO2 =>
2 PbO + O2 = 2 PbO2
Na2(TeO3) + HCl + INa = ClNa + Te + H2O + I =>
Na2(TeO3) + 6 HCl + 4 INa = 6 ClNa + Te + 3 H2O + 4 I
O2 = O3 =>
3 O2 = 2 O3
C + H2 = CH4 =>
C + 2 H2 = CH4
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
Ce(NO3)3*6H2O + C6H8O7 = CeO2 + H2O + CO2 + N2 =>
18 Ce(NO3)3*6H2O + 14 C6H8O7 = 18 CeO2 + 164 H2O + 84 CO2 + 27 N2
HSHCl = H2SCl =>
HSHCl = H2SCl
Au + N2 = AuN2 =>
Au + N2 = AuN2
KC1O3(s) = KC1(s) + O2(g) =>
2 KC1O3(s) = 2 KC1(s) + 3 O2(g)
Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + NaI(aq) =>
2 Na2S2O3(aq) + I2(aq) = Na2S4O6(aq) + 2 NaI(aq)
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
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