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2 Na2CO3 + 3 O2 = 4 NaO2 + 2 CO2
Co + KSCN = Co(SCN)4 + K =>
Co + 4 KSCN = Co(SCN)4 + 4 K
RbOH + H2SiO3 = Rb2SiO3 + H2O =>
2 RbOH + H2SiO3 = Rb2SiO3 + 2 H2O
K(Cl)(O)3 = KCl + O2 =>
2 K(Cl)(O)3 = 2 KCl + 3 O2
P4(g) + Cl2(g) = PCl3(g) =>
P4(g) + 6 Cl2(g) = 4 PCl3(g)
Al(OH)2Cl + H2SO4 = Al2(SO4)3 + H2O + AlCl3 =>
3 Al(OH)2Cl + 3 H2SO4 = Al2(SO4)3 + 6 H2O + AlCl3
C2H2 + I2 = CHI =>
C2H2 + I2 = 2 CHI
Ca2(SO4)2 + AgNO3 = Ca(NO3)2 + Ag2SO4 =>
Ca2(SO4)2 + 4 AgNO3 = 2 Ca(NO3)2 + 2 Ag2SO4
Fe3O4 = Fe + O =>
Fe3O4 = 3 Fe + 4 O
CaO + S8 = CaS + O2 =>
8 CaO + S8 = 8 CaS + 4 O2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
Br2 + I = BrI =>
Br2 + 2 I = 2 BrI
P(s) + Cl2(g) = PCl5(s) =>
2 P(s) + 5 Cl2(g) = 2 PCl5(s)
MnO4{-} + I{-} + H{+} = MnO2 + I2 + H2O =>
2 MnO4{-} + 6 I{-} + 8 H{+} = 2 MnO2 + 3 I2 + 4 H2O
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
SO2 + Cr2O7{2-} + H{+} = SO4{2-} + Cr{3+} + H2O =>
3 SO2 + Cr2O7{2-} + 2 H{+} = 3 SO4{2-} + 2 Cr{3+} + H2O
CH4 + C2H2 = C3H6 =>
CH4 + C2H2 = C3H6
Al + FeO3 = Fe + Al2O3 =>
2 Al + FeO3 = Fe + Al2O3
K + HNO2 = KNO2 + H =>
K + HNO2 = KNO2 + H
CaO + Na = Na2O + Ca =>
CaO + 2 Na = Na2O + Ca
N4 + O2 = N2O4 =>
N4 + 4 O2 = 2 N2O4
Zn + NiCl2 = Zn2Ni3 + Cl =>
2 Zn + 3 NiCl2 = Zn2Ni3 + 6 Cl
Na + CuCl2 = NaCl + Cu =>
2 Na + CuCl2 = 2 NaCl + Cu
C4H8Cl2 + Zn = cyclobutane + ZnCl2 =>
C4H8Cl2 + Zn = C4H8 + ZnCl2
CoCl2 + NH3H2O = CoO + HCl + NH3 =>
CoCl2 + NH3H2O = CoO + 2 HCl + NH3
ZnCl2 + (NH4)2SO3 = ZnSO3 + NH4Cl =>
ZnCl2 + (NH4)2SO3 = ZnSO3 + 2 NH4Cl
O3 + HCl = HOCl =>
O3 + 3 HCl = 3 HOCl
CO = C + O2 =>
2 CO = 2 C + O2
NaHSO3(aq) + NaOH(aq) + KMnO4(aq) = Na2MnO4(aq) + K2SO4(aq) + H2O(aq) =>
NaHSO3(aq) + 3 NaOH(aq) + 2 KMnO4(aq) = 2 Na2MnO4(aq) + K2SO4(aq) + 2 H2O(aq)
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + KNO2 + KOH + H2O = K3(Al(OH)6) + NH3 =>
2 Al + KNO2 + 5 KOH + 5 H2O = 2 K3(Al(OH)6) + NH3
Mo + Br2 = MoBr4 =>
Mo + 2 Br2 = MoBr4
Zn + HNO = Zn(NO) + H =>
Zn + HNO = Zn(NO) + H
Pb + NH3 = Pb(NH3)4 =>
Pb + 4 NH3 = Pb(NH3)4
PH3 + CuO = Cu3P + P + H2O =>
2 PH3 + 3 CuO = Cu3P + P + 3 H2O
Al(OH)4 + H2SO4 = SO4 + Al(OH)3 + H2O =>
2 Al(OH)4 + H2SO4 = SO4 + 2 Al(OH)3 + 2 H2O
[Fe(CN)6]{4-} + H2O = H{+} + Fe{3+} + N2O5 + C10H8 + {-} =>
5[Fe(CN)6]{4-} + 75 H2O = 126 H{+} + 5 Fe{3+} + 15 N2O5 + 3 C10H8 + 161e
Br2 + HNO2 = BrNO2 + H2 =>
Br2 + 2 HNO2 = 2 BrNO2 + H2
Fe + CO2 = Fe2(O2)3 + CO =>
2 Fe + 6 CO2 = Fe2(O2)3 + 6 CO
CaHPO4 + CH4COOH = Ca + H2PO4 + CH3COO =>
2 CaHPO4 + CH4COOH = 2 Ca + 2 H2PO4 + CH3COO
Cu + HO = CuO + H2O =>
Cu + 2 HO = CuO + H2O
FeCl3 + O2 = Fe2O3 + Cl2 =>
4 FeCl3 + 3 O2 = 2 Fe2O3 + 6 Cl2
KBr + K2CrO4 + H2SO4 = Br2 + Cr2(SO4)3 + K2SO4 + H2O =>
6 KBr + 2 K2CrO4 + 8 H2SO4 = 3 Br2 + Cr2(SO4)3 + 5 K2SO4 + 8 H2O
CaI2 + K2S = CaS + KI =>
CaI2 + K2S = CaS + 2 KI
PbCl4 = Pb4 + Cl2 =>
4 PbCl4 = Pb4 + 8 Cl2
H3PO4 + HCl = H4PO4Cl =>
H3PO4 + HCl = H4PO4Cl
MgO + N2O5 = Mg(NO3)2 =>
MgO + N2O5 = Mg(NO3)2
Mg + CO3 + HCl = MgCl2 + H2O + CO2 =>
Mg + CO3 + 2 HCl = MgCl2 + H2O + CO2
K3PO4 + CaS = K3S + CaPO4 =>
K3PO4 + CaS = K3S + CaPO4
NaClO3 + SO2 + H2SO4 = NaHSO4 + ClO2 =>
2 NaClO3 + SO2 + H2SO4 = 2 NaHSO4 + 2 ClO2
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