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Pb + H2SO4 = PbSO4 + H2
Al(NO3)3 + FeCl2 = Fe(NO3)2 + AlCl3 =>
2 Al(NO3)3 + 3 FeCl2 = 3 Fe(NO3)2 + 2 AlCl3
Sn + SnCl4 = SnCl2 =>
Sn + SnCl4 = 2 SnCl2
P2H4 = PH3 + P4 =>
6 P2H4 = 8 PH3 + P4
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CH4 + H2S = CS2 + H2 =>
CH4 + 2 H2S = CS2 + 4 H2
Pb + H2O = PbO + H2 =>
Pb + H2O = PbO + H2
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu =>
Zn + Cu(NO3)2 = Zn(NO3)2 + Cu
Methane + oxygen = carbondioxide + water =>
CH4 + 2 O2 = CO2 + 2 H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
HNO3 + Ba(OH)2 = Ba(NO3)2 + H2O =>
2 HNO3 + Ba(OH)2 = Ba(NO3)2 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
CH3COOH + NH3 = CH3COONH4 =>
CH3COOH + NH3 = CH3COONH4
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
S + O2 = SO2 =>
S + O2 = SO2
Sn + CuSO4 = SnSO4 + Cu =>
Sn + CuSO4 = SnSO4 + Cu
Mg + HNO3 = Mg(NO3)2 + H2 =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
MnO2 + KOH + KClO = KCl + KMnO4 + H2O =>
2 MnO2 + 2 KOH + 3 KClO = 3 KCl + 2 KMnO4 + H2O
FeO3 + CO = Fe + CO2 =>
FeO3 + 3 CO = Fe + 3 CO2
K + HNO3 = KNO3 + NH4NO3 + H2O =>
8 K + 10 HNO3 = 8 KNO3 + NH4NO3 + 3 H2O
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CH4(g) + H2O(g) = CO(g) + H2(g) =>
CH4(g) + H2O(g) = CO(g) + 3 H2(g)
Zn + SnCl2 = ZnCl2 + Sn =>
Zn + SnCl2 = ZnCl2 + Sn
Pb + O2 = PbO2 =>
Pb + O2 = PbO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
Zn + SnCl4 = ZnCl2 + Sn =>
2 Zn + SnCl4 = 2 ZnCl2 + Sn
Al + HPO3 = Al(PO3)3 + H2 =>
2 Al + 6 HPO3 = 2 Al(PO3)3 + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
(NH4)2CO3 = NH3 + H2O + CO2 =>
(NH4)2CO3 = 2 NH3 + H2O + CO2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Fe + Mg(NO3)2 = Fe(NO3)2 + Mg =>
Fe + Mg(NO3)2 = Fe(NO3)2 + Mg
PbCH3 + KMnO4 + H2SO4 = PbCOOH + K2SO4 + MnSO4 + H2O =>
5 PbCH3 + 6 KMnO4 + 9 H2SO4 = 5 PbCOOH + 3 K2SO4 + 6 MnSO4 + 14 H2O
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C2H5 + O2 = CO2 + H2O =>
4 C2H5 + 13 O2 = 8 CO2 + 10 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
PH3 + HNO3 = H3PO4 + NO2 + H2O =>
PH3 + 8 HNO3 = H3PO4 + 8 NO2 + 4 H2O
MnO2 + H{+} + Cl{-} = Mn{2+} + Cl2 + H2O =>
MnO2 + 4 H{+} + 2 Cl{-} = Mn{2+} + Cl2 + 2 H2O
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
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