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4 Fe3O4 + O2(g) = 6 Fe2O3
CH3(CH2)4CH3(l) + O2 = CO2(g) + H2O(g) =>
2 CH3(CH2)4CH3(l) + 19 O2 = 12 CO2(g) + 14 H2O(g)
Y(NO3)3 + NH4OH = Y2O3 + NH4NO3 + H2O =>
2 Y(NO3)3 + 6 NH4OH = Y2O3 + 6 NH4NO3 + 3 H2O
K2Cr2O7 + HCl + Hg = CrCl3 + KCl + H2O + HgCl =>
K2Cr2O7 + 14 HCl + 6 Hg = 2 CrCl3 + 2 KCl + 7 H2O + 6 HgCl
MnO4 + H2C2O4 = Mn + CO2 + H2O =>
MnO4 + 4 H2C2O4 = Mn + 8 CO2 + 4 H2O
Pb + IO3 = PbO2 + I2 =>
3 Pb + 2 IO3 = 3 PbO2 + I2
Sr(NO3)2 + NaCl = SrCl2 + Na(NO3) =>
Sr(NO3)2 + 2 NaCl = SrCl2 + 2 Na(NO3)
Na3PO4(aq) + (NH4)2SO4(aq) = Na2SO4 + (NH4)3PO4 =>
2 Na3PO4(aq) + 3(NH4)2SO4(aq) = 3 Na2SO4 + 2(NH4)3PO4
FeS2 + Cu2S + HNO3 = CuSO4 + Fe2(SO4)3 + NO2 + H2O =>
2 FeS2 + Cu2S + 40 HNO3 = 2 CuSO4 + Fe2(SO4)3 + 40 NO2 + 20 H2O
Cu(NH3)4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + K + (NH3)4 =>
2 Cu(NH3)4 + K4[Fe(CN)6] = Cu2Fe(CN)6 + 4 K + 2(NH3)4
C7H16 + O2 = CO2 + H2O =>
C7H16 + 11 O2 = 7 CO2 + 8 H2O
BF3(g) + NH3(g) = F3BNH3(g) =>
BF3(g) + NH3(g) = F3BNH3(g)
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
C8H8O4 + NaOH = NaC8H7O4 + H2O =>
C8H8O4 + NaOH = NaC8H7O4 + H2O
SF6 + SO3 = O2SF2 =>
SF6 + 2 SO3 = 3 O2SF2
HgO(g) = Hg + O2 =>
2 HgO(g) = 2 Hg + O2
NH3 + HClO = NH4ClO =>
NH3 + HClO = NH4ClO
Al + SO3 = Al2O3 + SO2 =>
2 Al + 3 SO3 = Al2O3 + 3 SO2
HBrO2 + H2O = H2BrO2 + OH =>
HBrO2 + H2O = H2BrO2 + OH
CaCl2 + K2CO3 = CaCO3 + KCl =>
CaCl2 + K2CO3 = CaCO3 + 2 KCl
KCl + Mg(OH)2 = KOH + MgCl2 =>
2 KCl + Mg(OH)2 = 2 KOH + MgCl2
CH5 + O2 = CO2 + H2O =>
4 CH5 + 9 O2 = 4 CO2 + 10 H2O
OH + SO4 = OHSO4 =>
OH + SO4 = OHSO4
F2(g) + NaBr(aq) = Br2(l) + NaF(aq) =>
F2(g) + 2 NaBr(aq) = Br2(l) + 2 NaF(aq)
Na + H2O2 = Na2O2 + H2 =>
2 Na + H2O2 = Na2O2 + H2
C10H16Cl2O2 + C6H16N2 = C16H30N2O2 + HCl =>
C10H16Cl2O2 + C6H16N2 = C16H30N2O2 + 2 HCl
Zr(OH)4 + H2SO4 = Zr2(SO4)4 + H2O =>
2 Zr(OH)4 + 4 H2SO4 = Zr2(SO4)4 + 8 H2O
SiBr4 + NH3 = Si3N4 + NH4Br =>
3 SiBr4 + 16 NH3 = Si3N4 + 12 NH4Br
(NH4)2SO4 + Fe2O3 = Fe2(SO4)3 + H2O + NH3 =>
3(NH4)2SO4 + Fe2O3 = Fe2(SO4)3 + 3 H2O + 6 NH3
Na2O + H4P2O7 = Na4P2O7 + H2O =>
2 Na2O + H4P2O7 = Na4P2O7 + 2 H2O
Pb + P = PbP4 =>
Pb + 4 P = PbP4
H3BO3(aq) = H4B6O11(aq) + H2O(l) =>
6 H3BO3(aq) = H4B6O11(aq) + 7 H2O(l)
Ca3(PO4)2 + Na2CO3 = Na3PO4 + CaCO3 =>
Ca3(PO4)2 + 3 Na2CO3 = 2 Na3PO4 + 3 CaCO3
CaH2 + HCl = CaCl2 + H2 =>
CaH2 + 2 HCl = CaCl2 + 2 H2
C + KMnO4 = CO2 + K2O + MnO =>
5 C + 4 KMnO4 = 5 CO2 + 2 K2O + 4 MnO
K3Po4 + Ca(NO3)2 = KNO3 + Ca3(Po4)2 =>
2 K3Po4 + 3 Ca(NO3)2 = 6 KNO3 + Ca3(Po4)2
FeBr2 + AgNO3 = Fe(NO3)2 + AgBr =>
FeBr2 + 2 AgNO3 = Fe(NO3)2 + 2 AgBr
CH2CHCH3 + KMnO4 + H2SO4 = CH3COOH + H2O + MnSO4 + K2SO4 =>
10 CH2CHCH3 + 12 KMnO4 + 18 H2SO4 = 15 CH3COOH + 18 H2O + 12 MnSO4 + 6 K2SO4
Sr(OH)2 + HI = SrI2 + H2O =>
Sr(OH)2 + 2 HI = SrI2 + 2 H2O
HBrO3 + Ni(OH)2 = Ni(BrO3)2 + H2O =>
2 HBrO3 + Ni(OH)2 = Ni(BrO3)2 + 2 H2O
CaO + Be(OH)2 = Ca(OH)2 + BeO =>
CaO + Be(OH)2 = Ca(OH)2 + BeO
P2O3 + HNO3 = HPO3 + NO2 + H2O =>
P2O3 + 4 HNO3 = 2 HPO3 + 4 NO2 + H2O
NO2 + C = NO + CO =>
NO2 + C = NO + CO
CH3NH2 = H + CH3NH =>
CH3NH2 = H + CH3NH
Ca(OH)2 + BaO = CaO + Ba(OH)2 =>
Ca(OH)2 + BaO = CaO + Ba(OH)2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C3H6O2 + H2O = CO2 + H2 =>
C3H6O2 + 4 H2O = 3 CO2 + 7 H2
Na2OOCCOO + HCl = H2OOCCOO + NaCl =>
Na2OOCCOO + 2 HCl = H2OOCCOO + 2 NaCl
KClO3 + I + H2O = HIO3 + KCl =>
5 KClO3 + 6 I + 3 H2O = 6 HIO3 + 5 KCl
CuO(s) + HCl(aq) = CuCl2(aq) + H2O =>
CuO(s) + 2 HCl(aq) = CuCl2(aq) + H2O
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