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C + O = CO
C + O2 = CO =>
2 C + O2 = 2 CO
C + O = CO2 =>
C + 2 O = CO2
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
Ca(OH)2 + HF = CaF2 + HOH =>
Ca(OH)2 + 2 HF = CaF2 + 2 HOH
HClO3 = HClO4 + HCl =>
4 HClO3 = 3 HClO4 + HCl
C2H4 + Cl2 = C2H4Cl2 =>
C2H4 + Cl2 = C2H4Cl2
K2CO3(aq) + Ca(NO3)2(aq) = K2(NO3)2 + CaCO3 =>
K2CO3(aq) + Ca(NO3)2(aq) = K2(NO3)2 + CaCO3
SnS + HCl = SnCl2 + H2S =>
SnS + 2 HCl = SnCl2 + H2S
Pb(No3)2 + KI = KNo3 + PbI2 =>
Pb(No3)2 + 2 KI = 2 KNo3 + PbI2
CuSO4 + Fe = Cu + FeSO4 =>
CuSO4 + Fe = Cu + FeSO4
CaCl2 = Ca + Cl =>
CaCl2 = Ca + 2 Cl
H2S + Sn = SnS + H2 =>
H2S + Sn = SnS + H2
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
Na2CO3 + H2SO4 = Na2SO4 + NaHCO3 =>
2 Na2CO3 + H2SO4 = Na2SO4 + 2 NaHCO3
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
K2SO4 + Ba(OH)2 = BaSO4 + KOH =>
K2SO4 + Ba(OH)2 = BaSO4 + 2 KOH
HCL + Mg = H + MgCL =>
HCL + Mg = H + MgCL
C4H9OH + O2 = CO2 + H2O =>
C4H9OH + 6 O2 = 4 CO2 + 5 H2O
Ca + C = CaC2 =>
Ca + 2 C = CaC2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
HCL + Mg = H2 + MgCL =>
2 HCL + 2 Mg = H2 + 2 MgCL
(C2H3O2)3 + O2 = CO2 + H2O =>
4(C2H3O2)3 + 21 O2 = 24 CO2 + 18 H2O
CrCl3(aq) + Na2CO3(aq) = Cr2(CO3)3(s) + NaCl(aq) =>
2 CrCl3(aq) + 3 Na2CO3(aq) = Cr2(CO3)3(s) + 6 NaCl(aq)
PbCl2 + NaOH = Pb(OH)2 + NaCl =>
PbCl2 + 2 NaOH = Pb(OH)2 + 2 NaCl
HCL + Mg = MgCL + H2 =>
2 HCL + 2 Mg = 2 MgCL + H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
CuSO4 + Na2S = CuS + Na2SO4 =>
CuSO4 + Na2S = CuS + Na2SO4
Cu2S + HNO3 = Cu(NO3)2 + H2SO4 + NO + H2O =>
3 Cu2S + 22 HNO3 = 6 Cu(NO3)2 + 3 H2SO4 + 10 NO + 8 H2O
C2H5OC2H5 + O2 = CO2 + H2O =>
C2H5OC2H5 + 6 O2 = 4 CO2 + 5 H2O
Li(s) + FeBr2(aq) = LiBr(aq) + Fe(s) =>
2 Li(s) + FeBr2(aq) = 2 LiBr(aq) + Fe(s)
Cu2S + HNO3 = CuNO3 + H2SO4 + NO + H2O =>
3 Cu2S + 14 HNO3 = 6 CuNO3 + 3 H2SO4 + 8 NO + 4 H2O
Ca(H2PO4)2 + Ca(OH)2 + Na2SO4 = CaSO4 + Na3PO4 + H2O =>
Ca(H2PO4)2 + 2 Ca(OH)2 + 3 Na2SO4 = 3 CaSO4 + 2 Na3PO4 + 4 H2O
NaOH + AgNO3 = AgOH + NaNO3 =>
NaOH + AgNO3 = AgOH + NaNO3
Pb(No3)2 + KI = KNo3 + PbI2 =>
Pb(No3)2 + 2 KI = 2 KNo3 + PbI2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Cu2S + HNO3 = CuNO3 + S + NO + H2O =>
3 Cu2S + 8 HNO3 = 6 CuNO3 + 3 S + 2 NO + 4 H2O
H2TiCl6 + Zn = ZnCl2 + TiCl3 + HCl =>
2 H2TiCl6 + Zn = ZnCl2 + 2 TiCl3 + 4 HCl
Be + N2 = Be3N2 =>
3 Be + N2 = Be3N2
KMnO4 + HCl = Cl2 + MnCl2 + KCl + H2O =>
2 KMnO4 + 16 HCl = 5 Cl2 + 2 MnCl2 + 2 KCl + 8 H2O
NaHCO3 = CO2 + Na2CO3 + H2O =>
2 NaHCO3 = CO2 + Na2CO3 + H2O
C2H6 + O2 = CH3COOH + H2O =>
2 C2H6 + 3 O2 = 2 CH3COOH + 2 H2O
KCl + Ca(CN)2 = CaCl2 + KCN =>
2 KCl + Ca(CN)2 = CaCl2 + 2 KCN
H2SO4 + Zn = Zn2SO4 + H2 =>
H2SO4 + 2 Zn = Zn2SO4 + H2
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