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4 K + O2 = 2 K2O
Pb(NO3)2 = PbO + NO + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO + 3 O2
PH3 + KMnO4 + H2SO4 = P2O5 + K2SO4 + MnSO4 + H2O =>
10 PH3 + 16 KMnO4 + 24 H2SO4 = 5 P2O5 + 8 K2SO4 + 16 MnSO4 + 39 H2O
NA + Cl2 = NACl2 =>
NA + Cl2 = NACl2
(CH3CH3) + O2 = CO2 + H2O =>
2(CH3CH3) + 7 O2 = 4 CO2 + 6 H2O
H2O + B2O3 = HBO2 =>
H2O + B2O3 = 2 HBO2
Pb(NO3)2 = PbO + NO + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO + 3 O2
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
C2H5OH = C2H4 + H2O =>
C2H5OH = C2H4 + H2O
C4H10 + O2 = CO + H2O =>
2 C4H10 + 9 O2 = 8 CO + 10 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
KOH + CO2 = KHCO3 =>
KOH + CO2 = KHCO3
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
KI + KBrO3 + HCl = I2 + KBr + KCl + H2O =>
6 KI + KBrO3 + 6 HCl = 3 I2 + KBr + 6 KCl + 3 H2O
MG + HCl = MGCl2 + H2 =>
MG + 2 HCl = MGCl2 + H2
C8H10 + O2 = CO2 + H2O =>
2 C8H10 + 21 O2 = 16 CO2 + 10 H2O
CaCO3 + HCl = CaCl2 + CO2 + H2O =>
CaCO3 + 2 HCl = CaCl2 + CO2 + H2O
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
SO3 + Ba(OH)2 = BaSO4 + H2O =>
SO3 + Ba(OH)2 = BaSO4 + H2O
KI + AgNO3 = KNO3 + AgI =>
KI + AgNO3 = KNO3 + AgI
NH4ClO4 = N2 + Cl2 + O2 + H2O =>
2 NH4ClO4 = N2 + Cl2 + 2 O2 + 4 H2O
Fe + HCl = FeCl + H =>
Fe + HCl = FeCl + H
Pb3O4 = PbO + O2 =>
2 Pb3O4 = 6 PbO + O2
I2 + Na2SO3 + H2O = Na2SO4 + HI =>
I2 + Na2SO3 + H2O = Na2SO4 + 2 HI
CO + H2O = CO2 + H2 =>
CO + H2O = CO2 + H2
NaHCO3 + HCl = NaCl + CO2 + H2O =>
NaHCO3 + HCl = NaCl + CO2 + H2O
H2O + CH3COOH = CH3CH2OH + O2 =>
H2O + CH3COOH = CH3CH2OH + O2
Bi{3+} + S{2-} = Bi2S3 =>
2 Bi{3+} + 3 S{2-} = Bi2S3
H2SO3 + I2 + H2O = H2SO4 + HI =>
H2SO3 + I2 + H2O = H2SO4 + 2 HI
C(s) + S8(s) = CS2(l) =>
4 C(s) + S8(s) = 4 CS2(l)
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaOH + HCl = NaCl + H2O =>
NaOH + HCl = NaCl + H2O
H2O + CO2 = C6H12O6 + O2 =>
6 H2O + 6 CO2 = C6H12O6 + 6 O2
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
NaHCO3 + H2So4 = Na2So4 + H2O + CO2 =>
2 NaHCO3 + H2So4 = Na2So4 + 2 H2O + 2 CO2
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
AgI + Na2S = Ag2S + NaI =>
2 AgI + Na2S = Ag2S + 2 NaI
C2H6 + O = CO + H2O =>
C2H6 + 5 O = 2 CO + 3 H2O
CU(OH)2 = CUO + H2O =>
CU(OH)2 = CUO + H2O
As4S6 + O2 = As4O6 + SO2 =>
As4S6 + 9 O2 = As4O6 + 6 SO2
Cu(OH)2 = CuO + H2O =>
Cu(OH)2 = CuO + H2O
Mg(s) + CuSO4 = MgSO4 + Cu(s) =>
Mg(s) + CuSO4 = MgSO4 + Cu(s)
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
Fe2O3 + C = Fe + CO =>
Fe2O3 + 3 C = 2 Fe + 3 CO
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Na3CrO3 + Br2 + NaOH = Na2CrO4 + NaBr + H2O =>
2 Na3CrO3 + 3 Br2 + 4 NaOH = 2 Na2CrO4 + 6 NaBr + 2 H2O
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