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(NH4)2Cr2O7 = Cr2O3 + N2 + 4 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe2(C2O4)3 = FeC2O4 + CO2 =>
Fe2(C2O4)3 = 2 FeC2O4 + 2 CO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Cu + HNO3 = CuNO3 + H2 =>
2 Cu + 2 HNO3 = 2 CuNO3 + H2
HCl + FeS = H2S + FeCl2 =>
2 HCl + FeS = H2S + FeCl2
NaOH + HNO3 = NaNO3 + H2O =>
NaOH + HNO3 = NaNO3 + H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
SO2 + O = SO3 =>
SO2 + O = SO3
H + N = NH3 =>
3 H + N = NH3
NH4 + NO2 = N + H2O =>
NH4 + NO2 = 2 N + 2 H2O
C + H2O = CO + H2 =>
C + H2O = CO + H2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
Zn + CuSO4 = Cu + ZnSO4 =>
Zn + CuSO4 = Cu + ZnSO4
CaCO3 + HNO3 = Ca(NO3) + HCO3 =>
CaCO3 + HNO3 = Ca(NO3) + HCO3
Na + H2O = NaOH + H =>
Na + H2O = NaOH + H
Mn(OH)2 + H2O2 = MnO2 + H2O =>
Mn(OH)2 + H2O2 = MnO2 + 2 H2O
Ag + PO4 = Ag3PO4 =>
3 Ag + PO4 = Ag3PO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Ag + CO3 = Ag2CO3 =>
2 Ag + CO3 = Ag2CO3
Pb + OH = Pb(OH)2 =>
Pb + 2 OH = Pb(OH)2
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
Ca + OH = Ca(OH)2 =>
Ca + 2 OH = Ca(OH)2
Ca + CO3 = CaCO3 =>
Ca + CO3 = CaCO3
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
NaCl + AgNO3 = AgCl + NaNO3 =>
NaCl + AgNO3 = AgCl + NaNO3
Fe + S = FeS =>
Fe + S = FeS
CaCl2 + Na3PO4 + H2O = Ca10(PO4)6(OH)2 + NaCl + HCl =>
10 CaCl2 + 6 Na3PO4 + 2 H2O = Ca10(PO4)6(OH)2 + 18 NaCl + 2 HCl
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
CaCl2 + Na2HPO4 + H2O = Ca10(PO4)6(OH)2 + NaCl + HCl =>
10 CaCl2 + 6 Na2HPO4 + 2 H2O = Ca10(PO4)6(OH)2 + 12 NaCl + 8 HCl
BrCl + NaSO4 = BrSO4 + NaCl =>
BrCl + NaSO4 = BrSO4 + NaCl
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
C6H12O6 = C2H5OH + CO2 =>
C6H12O6 = 2 C2H5OH + 2 CO2
AlSO4 + BaCl = AlCl + BaSO4 =>
AlSO4 + BaCl = AlCl + BaSO4
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
AlPO4 + BaCl = AlCl + BaPO4 =>
AlPO4 + BaCl = AlCl + BaPO4
Fe + HCl = Fe2HCl =>
2 Fe + HCl = Fe2HCl
Bi2S3 + O2 = Bi2O3 + SO2 =>
2 Bi2S3 + 9 O2 = 2 Bi2O3 + 6 SO2
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Ca + H2 = CaH2 =>
Ca + H2 = CaH2
H6C6 + O2 = CO2 + H2O =>
2 H6C6 + 15 O2 = 12 CO2 + 6 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
NH4NO2 = N2 + H2O =>
NH4NO2 = N2 + 2 H2O
BeCl2 + LiH = BeH2 + LiCl =>
BeCl2 + 2 LiH = BeH2 + 2 LiCl
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
CH4 + H2O = CO + H2 =>
CH4 + H2O = CO + 3 H2
AsH3 = As + H2 =>
2 AsH3 = 2 As + 3 H2
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