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2 Mg + CO2 = 2 MgO + C
Sn + HBr = SnBr4 + H2 =>
Sn + 4 HBr = SnBr4 + 2 H2
Ca + Cr2O3 = Cr + CaO =>
3 Ca + Cr2O3 = 2 Cr + 3 CaO
Ni + H2O = Ni2O3 + H2 =>
2 Ni + 3 H2O = Ni2O3 + 3 H2
Co(NO3)3(aq) + (NH4)2S(aq) = Co2S3(s) + NH4NO3(aq) =>
2 Co(NO3)3(aq) + 3(NH4)2S(aq) = Co2S3(s) + 6 NH4NO3(aq)
KNO3 = K2O + N2 + O2 =>
4 KNO3 = 2 K2O + 2 N2 + 5 O2
NH4OH + H2O = NH5OH + OH =>
NH4OH + H2O = NH5OH + OH
Cd + HNO3 = Cd(NO3)2 + NO2 + H2O =>
Cd + 4 HNO3 = Cd(NO3)2 + 2 NO2 + 2 H2O
Mg + CH3COOH = Mg(CH3COO)2 + H2 =>
Mg + 2 CH3COOH = Mg(CH3COO)2 + H2
Na4[Fe(CNS)6] + FeCl3 = NaCl + Fe4[Fe(CNS)6]3 =>
3 Na4[Fe(CNS)6] + 4 FeCl3 = 12 NaCl + Fe4[Fe(CNS)6]3
Al(s) + NaOH(aq) = Na3AlO3(s) + H2(g) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(s) + 3 H2(g)
Ca + Cr2O3 = Cr + CaO =>
3 Ca + Cr2O3 = 2 Cr + 3 CaO
NaN3(s) = Na(s) + N2(g) =>
2 NaN3(s) = 2 Na(s) + 3 N2(g)
H2S + ClO3{-} = S + Cl{-} + H2O =>
3 H2S + ClO3{-} = 3 S + Cl{-} + 3 H2O
Cu + SO2 = Cu2O + Cu2S =>
6 Cu + SO2 = 2 Cu2O + Cu2S
Mg + O2 = MgO2 =>
Mg + O2 = MgO2
(NH2)2CO + Na2C2 = NaCN + NH3 + CO =>
3(NH2)2CO + Na2C2 = 2 NaCN + 4 NH3 + 3 CO
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Na2S2O3 + AgNO3 = Ag2(S2O3) + NaNO3 =>
Na2S2O3 + 2 AgNO3 = Ag2(S2O3) + 2 NaNO3
H + Cl = HCl =>
H + Cl = HCl
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CuCl + Zn = ZnCl2 + Cu =>
2 CuCl + Zn = ZnCl2 + 2 Cu
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
CuS + HNO3 = Cu(NO3)2 + NO2 + S8 + H2O =>
8 CuS + 32 HNO3 = 8 Cu(NO3)2 + 16 NO2 + S8 + 16 H2O
FeCl3(aq) + KOH(aq) = Fe(OH)3(aq) + KCl(aq) =>
FeCl3(aq) + 3 KOH(aq) = Fe(OH)3(aq) + 3 KCl(aq)
C2H4O + K2Cr2O7 + H2SO4 = C2H2O2 + K2SO4 + Cr2(SO4)2 + H2O =>
2 C2H4O + K2Cr2O7 + 3 H2SO4 = 2 C2H2O2 + K2SO4 + Cr2(SO4)2 + 5 H2O
Cr2O3 + Ca = Cr + Ca2O3 =>
Cr2O3 + 2 Ca = 2 Cr + Ca2O3
AsCl3 + H2S = As2S3 + HCl =>
2 AsCl3 + 3 H2S = As2S3 + 6 HCl
(NH)4NO3 + O2 = NO2 + H2O =>
2(NH)4NO3 + 9 O2 = 10 NO2 + 4 H2O
NaOH + KC7H4O2COOH = KC7H4O2COONa + H2O =>
NaOH + KC7H4O2COOH = KC7H4O2COONa + H2O
Ti + HNO3 = TiNO3 + H2 =>
2 Ti + 2 HNO3 = 2 TiNO3 + H2
CH3OH + CO2 = CH3COOH + O =>
CH3OH + CO2 = CH3COOH + O
H3PO4 + Zn + HCl = PH3 + ZnCl2 + H2O =>
H3PO4 + 4 Zn + 8 HCl = PH3 + 4 ZnCl2 + 4 H2O
S + I{-} = S2{-} + I2 =>
4 S + 2 I{-} = 2 S2{-} + I2
Pb2 + (PO4)3 = Pb3(PO4)2 =>
9 Pb2 + 4(PO4)3 = 6 Pb3(PO4)2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H + Cl2 = HCl =>
2 H + Cl2 = 2 HCl
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
K2 + O2 = KO2 =>
K2 + 2 O2 = 2 KO2
Fe2 + HNO3 = Fe(NO3)3 + NH4NO3 + H2O =>
4 Fe2 + 30 HNO3 = 8 Fe(NO3)3 + 3 NH4NO3 + 9 H2O
CO + H2O = C12H26 + CO2 =>
37 CO + 13 H2O = C12H26 + 25 CO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
SrO + Mg = MgO + Sr =>
SrO + Mg = MgO + Sr
CuSO4 + Fe = CuO4 + FeS =>
CuSO4 + Fe = CuO4 + FeS
H3PO4 + NH4 + MoO4 + H = (NH4)3PO4(MoO3)2 + H2O =>
H3PO4 + 3 NH4 + 2 MoO4 + H = (NH4)3PO4(MoO3)2 + 2 H2O
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Ag + K3[Fe(CN)6] = K4[Fe(CN)6] + Ag4[Fe(CN)6] =>
4 Ag + 4 K3[Fe(CN)6] = 3 K4[Fe(CN)6] + Ag4[Fe(CN)6]
H2I2 = HI =>
H2I2 = 2 HI
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