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CuSO4 = Cu + SO4
C2H6 + C2H4 = C4H10 =>
C2H6 + C2H4 = C4H10
NaN3 + H2SO4 = HN3 + Na2SO4 =>
2 NaN3 + H2SO4 = 2 HN3 + Na2SO4
PbS + HNO3 = Pb(NO3)4 + H2O + NO + S =>
3 PbS + 16 HNO3 = 3 Pb(NO3)4 + 8 H2O + 4 NO + 3 S
CuCl = CuCl2Cu =>
2 CuCl = CuCl2Cu
H2(g) + I2(g) = HI(g) =>
H2(g) + I2(g) = 2 HI(g)
P + H2 = PH3 =>
2 P + 3 H2 = 2 PH3
KI + Pb(CH3COOH)2 = PbI2 + KCH3COOH =>
2 KI + Pb(CH3COOH)2 = PbI2 + 2 KCH3COOH
AgBr + NaCl = AgClBrNa =>
AgBr + NaCl = AgClBrNa
Pb(No3)2 + PbO = PbNo2 + O2 =>
Pb(No3)2 + 2 PbO = 3 PbNo2 + O2
Mg(NO2)2 + NH4I = NH4NO2 + MgI2 =>
Mg(NO2)2 + 2 NH4I = 2 NH4NO2 + MgI2
Pb(No3)2 + PbO = PbNo2 + O2 =>
Pb(No3)2 + 2 PbO = 3 PbNo2 + O2
Cl2O5 + H2O = Cl2O + H2O5 =>
Cl2O5 + H2O = Cl2O + H2O5
(C6H5)2CO + C3H8O = C26H22O2 + (CH3)2CO =>
2(C6H5)2CO + C3H8O = C26H22O2 + (CH3)2CO
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
CH3CHO + Cr2O7{2-} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CHO + Cr2O7{2-} + 8 H{+} = 3 CH3COOH + 2 Cr{3+} + 4 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Zn + HNO3 = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3 = 4 Zn(NO3)2 + N2O + 5 H2O
Fe{2+} + Cr{3+} = Cr{2+} + Fe{3+} =>
Fe{2+} + Cr{3+} = Cr{2+} + Fe{3+}
CuCl2 + HNO3 = Cu(NO3) + NOCl + Cl2 + H2O =>
6 CuCl2 + 8 HNO3 = 6 Cu(NO3) + 2 NOCl + 5 Cl2 + 4 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CaS(s) + HNO3(aq) = Ca(NO3)2(aq) + H2S(g) =>
CaS(s) + 2 HNO3(aq) = Ca(NO3)2(aq) + H2S(g)
MgCl2 = Mg + Cl2 =>
MgCl2 = Mg + Cl2
KH(s) + H2O(l) = KOH(aq) + H2(g) =>
KH(s) + H2O(l) = KOH(aq) + H2(g)
Cl2 + HCl = Cl3H =>
Cl2 + HCl = Cl3H
HI = H2 + I2 =>
2 HI = H2 + I2
HCl + AlFe = AlFeCl3 + H2 =>
6 HCl + 2 AlFe = 2 AlFeCl3 + 3 H2
HCl + Fe = H2(gas) + FeCl2 =>
2 HCl + Fe = H2(gas) + FeCl2
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Fe2 + O2 + H2O = Fe2O3H2O =>
2 Fe2 + 3 O2 + 2 H2O = 2 Fe2O3H2O
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq) =>
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq)
H(ClO3) + Li = Li(ClO3) + H =>
H(ClO3) + Li = Li(ClO3) + H
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ti(CO3)2 = TiO2 + CO2 =>
Ti(CO3)2 = TiO2 + 2 CO2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
FeCl3 + HCl = FeCl1000 + H =>
FeCl3 + 997 HCl = FeCl1000 + 997 H
C10H8(s) + O2(g) = H2O(l) + CO(g) =>
C10H8(s) + 7 O2(g) = 4 H2O(l) + 10 CO(g)
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Mg3N2 + H2O = Mg(OH)2 + NH3(NH4OH) =>
Mg3N2 + 7 H2O = 3 Mg(OH)2 + NH3(NH4OH)
C4H10 + Br2 = C4Br6 + HBr =>
C4H10 + 8 Br2 = C4Br6 + 10 HBr
Mg2 + N3 = MgN =>
3 Mg2 + 2 N3 = 6 MgN
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
Al2O3 + HCl = AlCl3 + H2O =>
Al2O3 + 6 HCl = 2 AlCl3 + 3 H2O
H2O + NaOH + C8H8O3 = C7H4NaO3 + CH3OH =>
5 H2O + 14 NaOH + 15 C8H8O3 = 14 C7H4NaO3 + 22 CH3OH
PCl5 + Al2O3 = AlCl3 + P4O10 =>
12 PCl5 + 10 Al2O3 = 20 AlCl3 + 3 P4O10
Ca3(PO4)2 + SiO + C = CaSiO3 + CO + P =>
Ca3(PO4)2 + 3 SiO + 2 C = 3 CaSiO3 + 2 CO + 2 P
Al2(C2O4)3 + CaCO3 = Al2(CO3)3 + CaC2O4 =>
Al2(C2O4)3 + 3 CaCO3 = Al2(CO3)3 + 3 CaC2O4
Na + Br2 = NaBr =>
2 Na + Br2 = 2 NaBr
NaOH + NaBH4 + HCl = NaCl + H3BO3 + H2 =>
3 NaOH + NaBH4 + 4 HCl = 4 NaCl + H3BO3 + 4 H2
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