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2 Pb + O2 = 2 PbO
SO2 + NH3 = N2 + S + H2O =>
3 SO2 + 4 NH3 = 2 N2 + 3 S + 6 H2O
MNO4{-} + C2O4{2-} + H{+} = MN{2+} + CO2 + H2O =>
2 MNO4{-} + 5 C2O4{2-} + 16 H{+} = 2 MN{2+} + 10 CO2 + 8 H2O
Zn + Cu2SO4 = Cu + ZnSO4 =>
Zn + Cu2SO4 = 2 Cu + ZnSO4
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
F2 + Fr = FFr =>
F2 + 2 Fr = 2 FFr
C2H4 + Br2 = C2H4Br2 =>
C2H4 + Br2 = C2H4Br2
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
Ba(OH)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH)2 + H3PO4 = BaHPO4 + 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al2(SO3)3 + HOH = Al(OH)3 + H2SO3 =>
Al2(SO3)3 + 6 HOH = 2 Al(OH)3 + 3 H2SO3
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
oxygen + ethanol = carbondioxide + water =>
3 O2 + C2H5OH = 2 CO2 + 3 H2O
HI(aq) + LiOH(aq) = H2O(l) + LiI(aq) =>
HI(aq) + LiOH(aq) = H2O(l) + LiI(aq)
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
CO2 + H2O = C2H6 + O2 =>
4 CO2 + 6 H2O = 2 C2H6 + 7 O2
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
HNO3H2O + P4O10 = H3PO4 + N2O5 =>
4 HNO3H2O + P4O10 = 4 H3PO4 + 2 N2O5
C2H4Br2 + NaOH = NaBr + C2H2 + H2O =>
C2H4Br2 + 2 NaOH = 2 NaBr + C2H2 + 2 H2O
C2H3O + O2 = CO2 + H2O =>
4 C2H3O + 9 O2 = 8 CO2 + 6 H2O
HNO3H2O + P4O10 = H3PO4 + N2O5H2O =>
6 HNO3H2O + P4O10 = 4 H3PO4 + 3 N2O5H2O
Al + O2 = AlO3 =>
2 Al + 3 O2 = 2 AlO3
CH3CH2CHO + Ag2O = CH3CH2COOH + Ag =>
CH3CH2CHO + Ag2O = CH3CH2COOH + 2 Ag
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Ca(OH) + Na = NaCa(OH) =>
Ca(OH) + Na = NaCa(OH)
Fe + HNO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 HNO3 = 2 Fe(NO3)3 + 3 H2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CA(OH)2 + CO2 = CACO3 + H2O =>
CA(OH)2 + CO2 = CACO3 + H2O
C6H6 + I2 = C6H5I + HI =>
C6H6 + I2 = C6H5I + HI
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NaOH + H3PO4 = H2O + Na3PO4 =>
3 NaOH + H3PO4 = 3 H2O + Na3PO4
KMnO4 + NaNO2 + H2SO4 = MnSO4 + K2SO4 + NO2 + Na2SO4 + H2O =>
2 KMnO4 + 10 NaNO2 + 8 H2SO4 = 2 MnSO4 + K2SO4 + 10 NO2 + 5 Na2SO4 + 8 H2O
Na2FeO4 + FeCl2 + H2O = Fe(OH)3 + HCl + NaOH =>
Na2FeO4 + 3 FeCl2 + 10 H2O = 4 Fe(OH)3 + 6 HCl + 2 NaOH
K2S + CuSO4 = CuS + K2SO4 =>
K2S + CuSO4 = CuS + K2SO4
KClO3 = KClO4 + KCl =>
4 KClO3 = 3 KClO4 + KCl
Cuso4*5H2O = Cuso4 + H2O =>
Cuso4*5H2O = Cuso4 + 5 H2O
FE + Cl2 = FECl3 =>
2 FE + 3 Cl2 = 2 FECl3
Pb + ZnO = PbO + Zn =>
Pb + ZnO = PbO + Zn
D2O + H3PO4 = D3PO4 + H2O =>
3 D2O + 2 H3PO4 = 2 D3PO4 + 3 H2O
Al(NO3)3 + K2SO3 + H2O = Al(OH)3 + H2SO3 + KNO3 =>
2 Al(NO3)3 + 3 K2SO3 + 6 H2O = 2 Al(OH)3 + 3 H2SO3 + 6 KNO3
Al + ZnO = AlO + Zn =>
Al + ZnO = AlO + Zn
MnO2 + KOH + Br2 = K2MnO4 + H2O + KBr =>
MnO2 + 4 KOH + Br2 = K2MnO4 + 2 H2O + 2 KBr
CuSO4 + Fe2 = FeSO4 + Cu =>
2 CuSO4 + Fe2 = 2 FeSO4 + 2 Cu
NaOH + SO3 = Na2SO4 + H2O =>
2 NaOH + SO3 = Na2SO4 + H2O
C12H22O11 + H2O = C2H5OH + CO2 =>
C12H22O11 + H2O = 4 C2H5OH + 4 CO2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
NaOH + SO2 = Na2SO3 + H2O =>
2 NaOH + SO2 = Na2SO3 + H2O
Ch3COOH + Ba(OH)2 = Ba(Ch3COO)2 + H2O =>
2 Ch3COOH + Ba(OH)2 = Ba(Ch3COO)2 + 2 H2O
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