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4 Al + 3 O2 = 2 Al2O3
Pb(NO3)2 = PbO + NO2 + O =>
Pb(NO3)2 = PbO + 2 NO2 + O
Cr(OH3) + OCl{-} + OH{-} = CrO4{-2} + Cl{-} + H2O =>
2 Cr(OH3) + 7 OCl{-} + 4 OH{-} = 2 CrO4{-2} + 7 Cl{-} + 5 H2O
AlCl3(g) + CO2(g) + H2(g) = Al2O3(s) + CO(g) + HCl(g) =>
2 AlCl3(g) + 3 CO2(g) + 3 H2(g) = Al2O3(s) + 3 CO(g) + 6 HCl(g)
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
MNO2 + KCLO3 + KOH = K2MNO4 + KCL + H2O =>
3 MNO2 + KCLO3 + 6 KOH = 3 K2MNO4 + KCL + 3 H2O
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
CuO + H2 = H2O + Cu =>
CuO + H2 = H2O + Cu
H2O + P2O5 = H3PO4 =>
3 H2O + P2O5 = 2 H3PO4
Na + H2 = NaH =>
2 Na + H2 = 2 NaH
TiO2 + C + Cl2 = TiCl4 + CO =>
TiO2 + 2 C + 2 Cl2 = TiCl4 + 2 CO
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Zn + AgNo3 = Ag + Zn(No3)2 =>
Zn + 2 AgNo3 = 2 Ag + Zn(No3)2
Ca + H2 = CaH =>
2 Ca + H2 = 2 CaH
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
CaCl2 + Na3PO4 = NaCl + Ca3(PO4)2 =>
3 CaCl2 + 2 Na3PO4 = 6 NaCl + Ca3(PO4)2
CH3OH + Cr2O7{-} + H{+} = Cr{3+} + HCOOH + H2O =>
7 CH3OH + 4 Cr2O7{-} + 28 H{+} = 8 Cr{3+} + 7 HCOOH + 21 H2O
Cr2(So4)3 + NaOh = Na3[Cr(Oh)6] + Na2So4 =>
Cr2(So4)3 + 12 NaOh = 2 Na3[Cr(Oh)6] + 3 Na2So4
Sr + O2 = SrO2 =>
Sr + O2 = SrO2
Ni(NO3)2 + NH3 + H20 = Ni(OH)2 + NH4NO3 =>
15 Ni(NO3)2 + 10 NH3 + 4 H20 = 15 Ni(OH)2 + 20 NH4NO3
Fe2S3 + O2 = Fe2O3 + SO2 =>
2 Fe2S3 + 9 O2 = 2 Fe2O3 + 6 SO2
Co + ClO3 = Co(ClO3)3 =>
Co + 3 ClO3 = Co(ClO3)3
Ni(NO3)2 + NH3 + H2O = Ni(OH)2 + NH4NO3 =>
Ni(NO3)2 + 2 NH3 + 2 H2O = Ni(OH)2 + 2 NH4NO3
Ca3(PO4)2 + C + SiO = Ca2SiO4 + P4 + CO =>
2 Ca3(PO4)2 + 7 C + 3 SiO = 3 Ca2SiO4 + P4 + 7 CO
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
NH3 + NaClO = N2H4 + NaCl + H2O =>
2 NH3 + NaClO = N2H4 + NaCl + H2O
Ca3(PO4)2 + C + SiO4 = Ca2SiO4 + P4 + CO =>
2 Ca3(PO4)2 + 16 C + 3 SiO4 = 3 Ca2SiO4 + P4 + 16 CO
K + H2O = K2O + H2 =>
2 K + H2O = K2O + H2
HCLO + H2O = CLO{-} + H3O{+} =>
HCLO + H2O = CLO{-} + H3O{+}
Fe4S3 + O2 = Fe2O3 + SO2 =>
Fe4S3 + 6 O2 = 2 Fe2O3 + 3 SO2
C2H2 + H2O = CH3COH =>
C2H2 + H2O = CH3COH
H + S2 = H2S =>
4 H + S2 = 2 H2S
C2 + O2 = CO2 =>
C2 + 2 O2 = 2 CO2
Mg + N = MgN =>
Mg + N = MgN
(NH4)2Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
C2 + O2 = CO2 =>
C2 + 2 O2 = 2 CO2
Mn(NO3)2 + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H20 =>
20 Mn(NO3)2 + 40 PbO2 + 40 HNO3 = 20 HMnO4 + 40 Pb(NO3)2 + H20
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NH3OH + HCl = NH3Cl + H2O =>
NH3OH + HCl = NH3Cl + H2O
FeH2 = FeH2 =>
FeH2 = FeH2
RhF6 + Cl2 = RhF3 + ClF =>
2 RhF6 + 3 Cl2 = 2 RhF3 + 6 ClF
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
KI + Br2 = KBr + I2 =>
2 KI + Br2 = 2 KBr + I2
AgNO3 + H2S = Ag2S + H(NO3) =>
2 AgNO3 + H2S = Ag2S + 2 H(NO3)
Ca3(PO4)2 + Al = Ca3P2 + Al2O3 =>
3 Ca3(PO4)2 + 16 Al = 3 Ca3P2 + 8 Al2O3
Na2CO3 + H2O = H2CO3 + Na2O =>
Na2CO3 + H2O = H2CO3 + Na2O
C12H22O11 + H20 = CH3CH2OH + CO2 =>
15 C12H22O11 + 3 H20 = 65 CH3CH2OH + 50 CO2
CuSO4 + Li2CO3 = Li2SO4 + CuCO3 =>
CuSO4 + Li2CO3 = Li2SO4 + CuCO3
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