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2 Al + 3 Br2 = 2 AlBr3
S + HNO3 = H2SO4 + NO2 + H20 =>
10 S + 40 HNO3 = 10 H2SO4 + 40 NO2 + H20
Na2S2O3 + KI = K2S2O3 + NaI =>
Na2S2O3 + 2 KI = K2S2O3 + 2 NaI
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Fe2O3 + H2S = FeS + S + H2O =>
Fe2O3 + 3 H2S = 2 FeS + S + 3 H2O
Al{3+} + Cu{2+} = CuAl =>
Al{3+} + Cu{2+} = CuAl
(NH4)2[(VO)2(C2O4)3] + C2H5NH2 = (NH4)3[(VO)2(C2O4)3] + C2H3 =>
(NH4)2[(VO)2(C2O4)3] + C2H5NH2 = (NH4)3[(VO)2(C2O4)3] + C2H3
Al{3+} + Cu{2+} = AlCu =>
Al{3+} + Cu{2+} = AlCu
H2CO3 + CaO = CaCO3 + H2O =>
H2CO3 + CaO = CaCO3 + H2O
CH3COONa + O2 = CO2 + H2O + NaO2 =>
4 CH3COONa + 11 O2 = 8 CO2 + 6 H2O + 4 NaO2
Zn + AgNo3 = Zn(No3)2 + Ag =>
Zn + 2 AgNo3 = Zn(No3)2 + 2 Ag
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3COONa + O2 = CO2 + H2O + Na2O =>
2 CH3COONa + 4 O2 = 4 CO2 + 3 H2O + Na2O
H2CO3 + Ca = CaCO3 + H2 =>
H2CO3 + Ca = CaCO3 + H2
C8H5O4K + O2 = CO2 + H2O + K2O =>
2 C8H5O4K + 15 O2 = 16 CO2 + 5 H2O + K2O
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Ba + O2 = BaO =>
2 Ba + O2 = 2 BaO
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
PbO2 + HCl = Cl2 + H2O + PbCl2 =>
PbO2 + 4 HCl = Cl2 + 2 H2O + PbCl2
HgO = Hg + O =>
HgO = Hg + O
PbO2 + HNO3 + FeO = Pb(NO3)2 + Fe(NO3)3 + H2O =>
PbO2 + 8 HNO3 + 2 FeO = Pb(NO3)2 + 2 Fe(NO3)3 + 4 H2O
MnO2 + HCl = Cl2 + MnCl2 + H2O =>
MnO2 + 4 HCl = Cl2 + MnCl2 + 2 H2O
K2CrO4 + H2SO4 + Zn = ZnSO4 + Cr2(SO4)3 + K2SO4 + H2O =>
2 K2CrO4 + 8 H2SO4 + 3 Zn = 3 ZnSO4 + Cr2(SO4)3 + 2 K2SO4 + 8 H2O
C3H8O + O2 = CO + H2O =>
C3H8O + 3 O2 = 3 CO + 4 H2O
C4H9OH + HI = C6H14 + I2 + H2O =>
3 C4H9OH + 4 HI = 2 C6H14 + 2 I2 + 3 H2O
Ni(OH)2 + NH4Cl = NiCl2 + H2O + NH3 =>
Ni(OH)2 + 2 NH4Cl = NiCl2 + 2 H2O + 2 NH3
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Ca + HNO3 = CaN2O6 + H2 =>
Ca + 2 HNO3 = CaN2O6 + H2
HNO3 + Zn = Zn(NO3)2 + NO2(gas) + H2O =>
4 HNO3 + Zn = Zn(NO3)2 + 2 NO2(gas) + 2 H2O
Fe(s) + HCl(aq) = FeCl3(aq) + H2(g) =>
2 Fe(s) + 6 HCl(aq) = 2 FeCl3(aq) + 3 H2(g)
HNO3 + Zn = Zn(NO3)2 + NO2 + H2O =>
4 HNO3 + Zn = Zn(NO3)2 + 2 NO2 + 2 H2O
AgNO3 + HCl = AgCl + HNO3 =>
AgNO3 + HCl = AgCl + HNO3
Ca + HNO3 = Ca(NO3)2 + H2 =>
Ca + 2 HNO3 = Ca(NO3)2 + H2
CH4 + Br2 = CH3Br + HBr =>
CH4 + Br2 = CH3Br + HBr
Cu2S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H20 =>
10 Cu2S + 60 HNO3 = 10 Cu(NO3)2 + 10 CuSO4 + 40 NO2 + 3 H20
CO2 + CaSiO3 + H2O = SiO2 + Ca(HCO3)2 =>
2 CO2 + CaSiO3 + H2O = SiO2 + Ca(HCO3)2
CH3CH2OH + O2 = H2O + CH3COOH =>
CH3CH2OH + O2 = H2O + CH3COOH
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
BeCl2 + NaOH = Be(OH)2 + NaCl =>
BeCl2 + 2 NaOH = Be(OH)2 + 2 NaCl
O2 + C5H10OH = CO2 + H2O =>
29 O2 + 4 C5H10OH = 20 CO2 + 22 H2O
Be + NaOH = Be(OH)2 + Na =>
Be + 2 NaOH = Be(OH)2 + 2 Na
SO3(g) = SO2(g) + O2(g) =>
2 SO3(g) = 2 SO2(g) + O2(g)
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
Mg + S = MgS =>
Mg + S = MgS
Mg + S = MgS2 =>
Mg + 2 S = MgS2
Cr2O3 + KNO3 + KHO = K2CrO4 + KNO2 + H2O =>
Cr2O3 + 3 KNO3 + 4 KHO = 2 K2CrO4 + 3 KNO2 + 2 H2O
I2 + Ca(BrO3)2 = Ca(IO3)2 + Br2 =>
I2 + Ca(BrO3)2 = Ca(IO3)2 + Br2
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