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2 SO2 + O2 + 2 H2O = 2 H2SO4
Zn + CrCl3 = CrCl2 + ZnCl2 =>
Zn + 2 CrCl3 = 2 CrCl2 + ZnCl2
C2H5OH + MnO4{-} + H{+} = Mn{+2} + CH3COOH + H2O =>
5 C2H5OH + 4 MnO4{-} + 12 H{+} = 4 Mn{+2} + 5 CH3COOH + 11 H2O
MgO + Cl2O7 = MgCl2 + O3 =>
3 MgO + 3 Cl2O7 = 3 MgCl2 + 8 O3
FeS + O2 = FeSO4 =>
FeS + 2 O2 = FeSO4
H2SiO3 + NaHCO3 = H2O + CO2 + Na2SiO3 =>
H2SiO3 + 2 NaHCO3 = 2 H2O + 2 CO2 + Na2SiO3
Ba(NO3)2 + Na2(SO4)2 = BaSO4 + Na(NO3)2 =>
2 Ba(NO3)2 + Na2(SO4)2 = 2 BaSO4 + 2 Na(NO3)2
Cu(k) + O2 = CuO(k) =>
2 Cu(k) + O2 = 2 CuO(k)
H(ClO4) + Cu(OH)2 = H2O + Cu(ClO4)2 =>
2 H(ClO4) + Cu(OH)2 = 2 H2O + Cu(ClO4)2
Al2(SO4)3 + Mg(OH)2 = MgSO4 + Al(OH)3 =>
Al2(SO4)3 + 3 Mg(OH)2 = 3 MgSO4 + 2 Al(OH)3
NiS(s) + HCl(aq) = NiCl2(aq) + H2S(g) =>
NiS(s) + 2 HCl(aq) = NiCl2(aq) + H2S(g)
AgF + CaCl2 = AgCl + CaF2 =>
2 AgF + CaCl2 = 2 AgCl + CaF2
BrCl + (NH4)2CO3 = Br2CO3 + NH4Cl =>
2 BrCl + (NH4)2CO3 = Br2CO3 + 2 NH4Cl
P2O5 = P + O2 =>
2 P2O5 = 4 P + 5 O2
H2 + FeO = H2O + Fe =>
H2 + FeO = H2O + Fe
Cu2CO3(OH)2 + CH3COOH = Cu(CH3COO)2 + CO2 + H2O =>
Cu2CO3(OH)2 + 4 CH3COOH = 2 Cu(CH3COO)2 + CO2 + 3 H2O
IO3{-} + N2H4 = I{-} + N2 + H2O =>
2 IO3{-} + 3 N2H4 = 2 I{-} + 3 N2 + 6 H2O
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu(s) =>
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu(s)
CH4(g) + CCl4(g) = CH2Cl2(g) =>
CH4(g) + CCl4(g) = 2 CH2Cl2(g)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AgCl + NH4OH = Ag(NH3)2Cl + H2O =>
AgCl + 2 NH4OH = Ag(NH3)2Cl + 2 H2O
H2SBaCO3 = BaSH2OCO2 =>
H2SBaCO3 = BaSH2OCO2
BrF3 = Br2 + F2 =>
2 BrF3 = Br2 + 3 F2
C10H12O4S + O2 = CO2 + SO2 + H2O =>
C10H12O4S + 12 O2 = 10 CO2 + SO2 + 6 H2O
HCH3CO2(l) + O2(g) = CO2(g) + H2O(g) =>
HCH3CO2(l) + 2 O2(g) = 2 CO2(g) + 2 H2O(g)
C8H7O2COONa + H2SO4 = C8H7O2COOH + Na2SO4 =>
2 C8H7O2COONa + H2SO4 = 2 C8H7O2COOH + Na2SO4
Fe + Cu(OH)2 = Fe(OH)3 + Cu =>
2 Fe + 3 Cu(OH)2 = 2 Fe(OH)3 + 3 Cu
PbS + O2 = PbO*SO2 =>
2 PbS + 3 O2 = 2 PbO*SO2
CO2 + NH2(OH) = CO + N2 + H2O =>
CO2 + 2 NH2(OH) = CO + N2 + 3 H2O
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
O{2-} + Cu{2+} = OCu =>
O{2-} + Cu{2+} = OCu
C6H5(CH3)2 + KMnO4 = C6H5(COOH)2 + MnO2 + KOH =>
C6H5(CH3)2 + 4 KMnO4 = C6H5(COOH)2 + 4 MnO2 + 4 KOH
KMnO4(s) + H2SO4(aq) = MnSO4(aq) + K2SO4(aq) + H2O(l) + O3(g) =>
6 KMnO4(s) + 9 H2SO4(aq) = 6 MnSO4(aq) + 3 K2SO4(aq) + 9 H2O(l) + 5 O3(g)
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CaOSiO2 = CaSiO3 =>
CaOSiO2 = CaSiO3
Fe2(SO4)3 + Na2SO4 + H2O = NaFe3(SO4)2(OH)6 + H2SO4 =>
3 Fe2(SO4)3 + Na2SO4 + 12 H2O = 2 NaFe3(SO4)2(OH)6 + 6 H2SO4
Pb(NO3)2 + FeI3 = PbI2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeI3 = 3 PbI2 + 2 Fe(NO3)3
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
Cu + NaOH = CuNaOH =>
Cu + NaOH = CuNaOH
Nh4I + Cl2 = Nh4Cl + I2 =>
2 Nh4I + Cl2 = 2 Nh4Cl + I2
HCl(aq) + ZnSO3(s) = ZnCl2(aq) + H2O(aq) + SO2(g) =>
2 HCl(aq) + ZnSO3(s) = ZnCl2(aq) + H2O(aq) + SO2(g)
HClO3 + Ba(OH)2 = Ba(ClO3)2 + H2O =>
2 HClO3 + Ba(OH)2 = Ba(ClO3)2 + 2 H2O
Pb(No3)2 + LiCl = PbCl2 + LiNo3 =>
Pb(No3)2 + 2 LiCl = PbCl2 + 2 LiNo3
Al + Na2CO3 + H2O = Na[Al(OH)4] + NaHCO3 + H2 =>
2 Al + 2 Na2CO3 + 8 H2O = 2 Na[Al(OH)4] + 2 NaHCO3 + 3 H2
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
AlBr3 + K2SO4 = Al2(SO4)3 + KBr =>
2 AlBr3 + 3 K2SO4 = Al2(SO4)3 + 6 KBr
Rb3PO4 + LiOH = RbOH + Li3PO4 =>
Rb3PO4 + 3 LiOH = 3 RbOH + Li3PO4
Na2Cr2O7 + Cu2O + H2SO4 = CuSO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
Na2Cr2O7 + 3 Cu2O + 10 H2SO4 = 6 CuSO4 + Cr2(SO4)3 + Na2SO4 + 10 H2O
C2H7N + O2 = CO2 + N2 + H2O =>
4 C2H7N + 15 O2 = 8 CO2 + 2 N2 + 14 H2O
Ba + P = BaP =>
Ba + P = BaP
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