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4 Ag + O2 = 2 Ag2O
Fe + O2 = Fe3O4 =>
3 Fe + 2 O2 = Fe3O4
Mn + PbI2 = MnI2 + Pb =>
Mn + PbI2 = MnI2 + Pb
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Zn + HNO3 = Zn(NO3)2 + NH4NO3 + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + NH4NO3 + 3 H2O
KMnO4 = K2MnO4 + MnO2 + O2 =>
2 KMnO4 = K2MnO4 + MnO2 + O2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
H3SbO4 + Fe(OH)2 = FeHSbO4 + H2O =>
H3SbO4 + Fe(OH)2 = FeHSbO4 + 2 H2O
NaBr + H2SO4 = Na2SO4 + H2O + SO2 + Br2 =>
2 NaBr + 2 H2SO4 = Na2SO4 + 2 H2O + SO2 + Br2
C4H8N8O8 = CO + H2O + N2 =>
C4H8N8O8 = 4 CO + 4 H2O + 4 N2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H3PO4 + NaOH = Na3PO4 + H2O =>
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
P4 + O2 = P2O5 =>
P4 + 5 O2 = 2 P2O5
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
H3SbO4 + Fe(OH)2 = Fe(H2SbO4)2 + H2O =>
2 H3SbO4 + Fe(OH)2 = Fe(H2SbO4)2 + 2 H2O
EuCl2 + Na2SO4 = EuSO4 + NaCl =>
EuCl2 + Na2SO4 = EuSO4 + 2 NaCl
N + H2O = NH3 + NH4NO3 =>
8 N + 9 H2O = 2 NH3 + 3 NH4NO3
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Na2S + HCl = NaCl + H2S =>
Na2S + 2 HCl = 2 NaCl + H2S
BF3(g) + NAH = B2H6(g) + NAF =>
2 BF3(g) + 6 NAH = B2H6(g) + 6 NAF
BF3 + NAH = B2H6 + NAF =>
2 BF3 + 6 NAH = B2H6 + 6 NAF
CaCO3(s) + HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq) =>
CaCO3(s) + 2 HCl(aq) = H2O(l) + CO2(g) + CaCl2(aq)
Na2H2P2O7 + NaHCO3 = Na2HPO4 + H2O + CO2 =>
Na2H2P2O7 + 2 NaHCO3 = 2 Na2HPO4 + H2O + 2 CO2
BF3 + NaH = B2H6 + NaF =>
2 BF3 + 6 NaH = B2H6 + 6 NaF
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
(NH4)2VO4 + HCl + Zn = VCl2 + ZnCl2 + H2O + NH3 =>
(NH4)2VO4 + 6 HCl + 2 Zn = VCl2 + 2 ZnCl2 + 4 H2O + 2 NH3
BCl3 + Cl2 + KOH = K2BO4 + KCl + H2O =>
2 BCl3 + 3 Cl2 + 16 KOH = 2 K2BO4 + 12 KCl + 8 H2O
KI + Cl2 = KCl2 + I =>
KI + Cl2 = KCl2 + I
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
C3H7OH = C + H2 + O2 =>
2 C3H7OH = 6 C + 8 H2 + O2
(NH4)2VO3 + HCl + Zn = VCl2 + ZnCl2 + H2O + NH3 =>
(NH4)2VO3 + 4 HCl + Zn = VCl2 + ZnCl2 + 3 H2O + 2 NH3
Al2O3 + HNO3 = Al(NO3)3 + H2O =>
Al2O3 + 6 HNO3 = 2 Al(NO3)3 + 3 H2O
NaHCO3 + Na2H2P2O7 = Na3HP2O7 + CO2 + H2O =>
NaHCO3 + Na2H2P2O7 = Na3HP2O7 + CO2 + H2O
HNO3 + PH3 = NO2 + H3PO4 + H2O =>
8 HNO3 + PH3 = 8 NO2 + H3PO4 + 4 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
Fe2O3(s) + CO(g) = FeO(s) + CO2(g) =>
Fe2O3(s) + CO(g) = 2 FeO(s) + CO2(g)
Na2WO4*2H2O + HCl = Na12W12O42 + NaCl + H2O =>
12 Na2WO4*2H2O + 12 HCl = Na12W12O42 + 12 NaCl + 30 H2O
CH3COOH + Zn = ZnH + CH3COO =>
CH3COOH + Zn = ZnH + CH3COO
CH4 = C + H2 =>
CH4 = C + 2 H2
Pb(NO3)2 + HCl = PbCl2 + HNO3 =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 HNO3
(NH4)2VO3 + HCl + Zn = VCl3 + ZnCl2 + H2O + NH3 =>
2(NH4)2VO3 + 8 HCl + Zn = 2 VCl3 + ZnCl2 + 6 H2O + 4 NH3
Fe(OH)3 + H2S = Fe2S3 + H2O =>
2 Fe(OH)3 + 3 H2S = Fe2S3 + 6 H2O
ClCH2COONa + NaNO2 = NO2CH2COONa + NaCl =>
ClCH2COONa + NaNO2 = NO2CH2COONa + NaCl
Fe + H2O = Fe(OH)3 + H2 =>
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
C + H2 = C3H8 =>
3 C + 4 H2 = C3H8
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