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2 H2S = 2 H2 + S2
Cu(s) + S(s) = Cu2S =>
2 Cu(s) + S(s) = Cu2S
NaCl + LiI = NaI + LiCl =>
NaCl + LiI = NaI + LiCl
ZnPb + NO3 = ZnNO3 + Pb =>
ZnPb + NO3 = ZnNO3 + Pb
HNO3 + Ba(OH)2 = H(OH)2 + BaNO3 =>
HNO3 + Ba(OH)2 = H(OH)2 + BaNO3
NaCl + LiI = NaI + LiCl =>
NaCl + LiI = NaI + LiCl
Fe + S = Fe2S3 =>
2 Fe + 3 S = Fe2S3
CuO + HNO3 = Cu(NO3)2 + H2O =>
CuO + 2 HNO3 = Cu(NO3)2 + H2O
K + Cl2 = KCl2 =>
K + Cl2 = KCl2
C + OH = CO2 + H2O =>
C + 4 OH = CO2 + 2 H2O
Na2SO4 + Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4 + Pb(NO3)2 = 2 NaNO3 + PbSO4
NaBr + CaF2 = NaF + CaBr2 =>
2 NaBr + CaF2 = 2 NaF + CaBr2
CuSO4*5H2O + KI = K2SO4 + CuI + H2O + I2 =>
2 CuSO4*5H2O + 4 KI = 2 K2SO4 + 2 CuI + 10 H2O + I2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
HCl + KHCO3 = HCO3 + KHCl =>
HCl + KHCO3 = HCO3 + KHCl
Mg + O = MgO =>
Mg + O = MgO
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
CuO + H2SO4 = CuSO4 + H2O =>
CuO + H2SO4 = CuSO4 + H2O
Al(Br2)3 + Cl2 = Al(Cl2)3 + Br2 =>
Al(Br2)3 + 3 Cl2 = Al(Cl2)3 + 3 Br2
H2O + CuSO4 + NH3 = (NH4)2SO4 + Cu(OH)2 =>
2 H2O + CuSO4 + 2 NH3 = (NH4)2SO4 + Cu(OH)2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
C + CO2 = CO =>
C + CO2 = 2 CO
Mg + O = MgO =>
Mg + O = MgO
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
CO + Cl2 = COCl2 =>
CO + Cl2 = COCl2
P4 + Cl2 = PCl =>
P4 + 2 Cl2 = 4 PCl
Na2CO3 + HNO3 = NaNO3 + CO2 + H2O =>
Na2CO3 + 2 HNO3 = 2 NaNO3 + CO2 + H2O
Cl2 + NaOH = NaClO + NaCl + H2O =>
Cl2 + 2 NaOH = NaClO + NaCl + H2O
H2O + CuSO4 + NH3 = (NH4)2SO4 + Cu(OH)2 =>
2 H2O + CuSO4 + 2 NH3 = (NH4)2SO4 + Cu(OH)2
H2SO4 = OH + SO2 =>
H2SO4 = 2 OH + SO2
C + CO2 + Cl2 = COCl2 =>
C + CO2 + 2 Cl2 = 2 COCl2
Na2CO3 + HCl = Na2Cl + HCO3 =>
Na2CO3 + HCl = Na2Cl + HCO3
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NaOH + (NH4)2SO4 = Na2SO4 + NH4OH =>
2 NaOH + (NH4)2SO4 = Na2SO4 + 2 NH4OH
H2O2 + FeCl3 = FeO2 + Cl3H2 =>
H2O2 + FeCl3 = FeO2 + Cl3H2
H2S + Pb = PbS + H2 =>
H2S + Pb = PbS + H2
FeO2 + Al = AlO2 + Fe =>
FeO2 + Al = AlO2 + Fe
Fe2(SO4)3 + Ba(NO3)2 = Fe(NO3)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(NO3)2 = 2 Fe(NO3)3 + 3 BaSO4
CuSO4*(NH4)2SO4*5H2O + KI = K2SO4 + NH4I + CuI + I2 + H2O =>
2 CuSO4*(NH4)2SO4*5H2O + 8 KI = 4 K2SO4 + 4 NH4I + 2 CuI + I2 + 10 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
CuCl2 + K2O = CuO + KCl =>
CuCl2 + K2O = CuO + 2 KCl
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
C6H12 + O2 = CO2 + H2O =>
C6H12 + 9 O2 = 6 CO2 + 6 H2O
KOH + HNO3 = KNO3 + H2O =>
KOH + HNO3 = KNO3 + H2O
NH3 = N2 + H2 =>
2 NH3 = N2 + 3 H2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
FeI2 = Fe + I =>
FeI2 = Fe + 2 I
C6H12 + O2 = H2O + C =>
C6H12 + 3 O2 = 6 H2O + 6 C
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