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4 Al + 3 O2 = 2 Al2O3
CrCl2 + KOH + KClO3 = KCl + K2CrO4 + H2O =>
3 CrCl2 + 12 KOH + 2 KClO3 = 8 KCl + 3 K2CrO4 + 6 H2O
N2H5HSO4 + NaOH = Na2SO4 + H2O + N2H4 =>
N2H5HSO4 + 2 NaOH = Na2SO4 + 2 H2O + N2H4
KMnO4 + NaOH + NaNO2 = K2MnO4 + NaNO3 + H2O + NaMnO4 =>
4 KMnO4 + 2 NaOH + NaNO2 = 2 K2MnO4 + NaNO3 + H2O + 2 NaMnO4
Mg + KOH + H2O = K[Mg(OH)3] + H2 =>
Mg + KOH + 2 H2O = K[Mg(OH)3] + H2
Ni(NO3)2(aq) + Na4SiO4(aq) = Ni4(SiO4)2 + NaNO3 =>
4 Ni(NO3)2(aq) + 2 Na4SiO4(aq) = Ni4(SiO4)2 + 8 NaNO3
Br2 + KOH = KBrO3 + KBr + H2O =>
3 Br2 + 6 KOH = KBrO3 + 5 KBr + 3 H2O
Sb2(CO3)5 + Bi(NO3)3 = Bi2(CO3)3 + Sb(NO3)5 =>
3 Sb2(CO3)5 + 10 Bi(NO3)3 = 5 Bi2(CO3)3 + 6 Sb(NO3)5
KIO3 + KI + H2SO4 = K2SO4 + H2O + HI2 =>
KIO3 + 11 KI + 6 H2SO4 = 6 K2SO4 + 3 H2O + 6 HI2
KOH + H3O = K + H2O =>
KOH + H3O = K + 2 H2O
NaHCO3 + HOH = H2CO3 + NaOH =>
NaHCO3 + HOH = H2CO3 + NaOH
Na3As + HCl = NaCl + AsH3 =>
Na3As + 3 HCl = 3 NaCl + AsH3
HB + O2 = H2O + B2O3 =>
2 HB + 2 O2 = H2O + B2O3
HI + K2S = KI + H2S =>
2 HI + K2S = 2 KI + H2S
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C2H4 + H2 = C2H6 =>
C2H4 + H2 = C2H6
Eu + HF = EuF3 + H2 =>
2 Eu + 6 HF = 2 EuF3 + 3 H2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe(NO3)3 + AgNO3 = Fe(NO3)3AgNO3 =>
Fe(NO3)3 + AgNO3 = Fe(NO3)3AgNO3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
K3[Fe(CN)6] + KI = K4[Fe(CN)6] + I2 =>
2 K3[Fe(CN)6] + 2 KI = 2 K4[Fe(CN)6] + I2
HIO3 + FeI2 + HCl = FeCl3 + ICl + H2O =>
5 HIO3 + 4 FeI2 + 25 HCl = 4 FeCl3 + 13 ICl + 15 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Cl(g) + NaBr = NaCl + Br =>
Cl(g) + NaBr = NaCl + Br
KMnO4 + Na2C2O4 + H2SO4 = K2KO4 + CO2 + MnSO4 + NaSO4 + H2O =>
6 KMnO4 + 5 Na2C2O4 + 16 H2SO4 = 2 K2KO4 + 10 CO2 + 6 MnSO4 + 10 NaSO4 + 16 H2O
NH4 + O2 = NH4NO3 + H2O =>
4 NH4 + 5 O2 = 2 NH4NO3 + 4 H2O
CuBr2 = Cu + Br2 =>
CuBr2 = Cu + Br2
Na2SO4 + KCl = NaCl + K2SO4 =>
Na2SO4 + 2 KCl = 2 NaCl + K2SO4
Ni + NaCl + H2O = NiCl2 + NaOH + H2 =>
Ni + 2 NaCl + 2 H2O = NiCl2 + 2 NaOH + H2
Yb2O3 + B2O3 + WO3 = Yb3BWO9 =>
3 Yb2O3 + B2O3 + 2 WO3 = 2 Yb3BWO9
AuNO3 + NaCl = AuCl + NaNO3 =>
AuNO3 + NaCl = AuCl + NaNO3
C2H6OS2(s) + O2(g) = CO2(g) + H2O(g) + SO2(g) =>
C2H6OS2(s) + 5 O2(g) = 2 CO2(g) + 3 H2O(g) + 2 SO2(g)
Fe2O3 + C = CO + Fe =>
Fe2O3 + 3 C = 3 CO + 2 Fe
H2SO3 + B(OH)3 = B2(SO3)3 + H2O =>
3 H2SO3 + 2 B(OH)3 = B2(SO3)3 + 6 H2O
Sn + O2 = SnO2 =>
Sn + O2 = SnO2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Fe2(SO4)3 + CrCl2 + H2SO4 = FeSO4 + Cr2(SO4)3 + HCl =>
Fe2(SO4)3 + 2 CrCl2 + 2 H2SO4 = 2 FeSO4 + Cr2(SO4)3 + 4 HCl
Pb + PbO2 + H2SO4 = Pb4(SO4)2 + H2O =>
3 Pb + PbO2 + 2 H2SO4 = Pb4(SO4)2 + 2 H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
CH3CH2COH + Ag(NH3)2OH = CH3CH2COONH4 + Ag + NH3 + H2O =>
CH3CH2COH + 2 Ag(NH3)2OH = CH3CH2COONH4 + 2 Ag + 3 NH3 + H2O
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3 =>
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
NaMnO4 + HCl + H2S = NaCl + MnCl2 + H2O + S =>
2 NaMnO4 + 6 HCl + 5 H2S = 2 NaCl + 2 MnCl2 + 8 H2O + 5 S
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3 =>
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3
K + HNO3 = KHNO3 =>
K + HNO3 = KHNO3
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3 =>
NaCl + AgNO3 + Na2S2O3 = AgCl + NaS2 + Na2NO3O3
N2H4(s) + O2 = H2O2(s) + N2(g) =>
N2H4(s) + 2 O2 = 2 H2O2(s) + N2(g)
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