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4 H2SO4 + 3 CH4 = 3 CO2 + 10 H2O + 4 S
Br2 + KL = KBr + L2 =>
Br2 + 2 KL = 2 KBr + L2
SnCl2 + PbO2 + NaOH + H2O = Na2[Sn(OH)6] + NaCl + Pb(OH)2 =>
SnCl2 + PbO2 + 4 NaOH + 2 H2O = Na2[Sn(OH)6] + 2 NaCl + Pb(OH)2
Mn + Cl2 = MnCl5 =>
2 Mn + 5 Cl2 = 2 MnCl5
CuOH{2} = CuO + H{2}O =>
CuOH{2} = CuO + H{2}O
Sr(OH)2(aq) + H2CO3(aq) = Sr(HCO3)2(s) + H2O(l) =>
Sr(OH)2(aq) + 2 H2CO3(aq) = Sr(HCO3)2(s) + 2 H2O(l)
CH3CH2OH + Cu(OH)2 = CH3CHO + Cu2O + H2O =>
CH3CH2OH + 2 Cu(OH)2 = CH3CHO + Cu2O + 3 H2O
CCl4 + H2 = CH2Cl2 + HCl =>
CCl4 + 2 H2 = CH2Cl2 + 2 HCl
CH2Cl2 + O2 = CO2 + H2O + Cl2 =>
2 CH2Cl2 + 3 O2 = 2 CO2 + 2 H2O + 2 Cl2
Zn(NO3)2 + H2O = Zn + O2 + HNO3 =>
2 Zn(NO3)2 + 2 H2O = 2 Zn + O2 + 4 HNO3
HCN + Zn(OH)2 = Zn(CN)2 + HOH =>
2 HCN + Zn(OH)2 = Zn(CN)2 + 2 HOH
Fe2O3 + CH4 = Fe + CO2 + H2O =>
4 Fe2O3 + 3 CH4 = 8 Fe + 3 CO2 + 6 H2O
CuSO4(aq) + NH4OH(aq) = Cu(OH)2(aq) + (NH4)2SO4(aq) =>
CuSO4(aq) + 2 NH4OH(aq) = Cu(OH)2(aq) + (NH4)2SO4(aq)
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2 =>
Ca(NO3)2 + Na2SO4 = CaSO4 + Na2(NO3)2
FeS + H2O = FeSO4 + H2 =>
FeS + 4 H2O = FeSO4 + 4 H2
K2SO3 + H3PO4 = K3PO4 + H2SO3 =>
3 K2SO3 + 2 H3PO4 = 2 K3PO4 + 3 H2SO3
(NH4)3(PO4) + Ca(NO3)2 = (NH4)(NO3) + Ca3(PO4)2 =>
2(NH4)3(PO4) + 3 Ca(NO3)2 = 6(NH4)(NO3) + Ca3(PO4)2
Ni(CO)4 = Ni + CO =>
Ni(CO)4 = Ni + 4 CO
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
Al + AuCl = AlCl3 + Au =>
Al + 3 AuCl = AlCl3 + 3 Au
Zn2{+} + Sn = Zn + Sn2{+} =>
Zn2{+} + 2 Sn = 2 Zn + Sn2{+}
CO2 + H = C6H12O6 + H2O =>
6 CO2 + 24 H = C6H12O6 + 6 H2O
NiCl2 + Na2CO3 = NiCO3 + NaCl =>
NiCl2 + Na2CO3 = NiCO3 + 2 NaCl
NH3 + OH = NO + H2O =>
NH3 + 5 OH = NO + 4 H2O
MnO2 + H2O = MnO4 + H =>
MnO2 + 2 H2O = MnO4 + 4 H
I2 + BeCl2 = BeI2 + Cl2 =>
I2 + BeCl2 = BeI2 + Cl2
ZnCl2 + H2O + Na2CO3 = ZnCO3*Zn(OH)2 + NaCl + NaHCO3 =>
2 ZnCl2 + 2 H2O + 3 Na2CO3 = ZnCO3*Zn(OH)2 + 4 NaCl + 2 NaHCO3
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
N8 + O2 = N2O =>
N8 + 2 O2 = 4 N2O
PbO2(s) = Pb(s) + O2(g) =>
PbO2(s) = Pb(s) + O2(g)
Cl + AgNO3 + H2O = AgCl + AgClO3 + HNO3 =>
6 Cl + 6 AgNO3 + 3 H2O = 5 AgCl + AgClO3 + 6 HNO3
NH4VO3 + H2SO4 + Zn = VO2 + (NH4)2SO4 + H2O + ZnSO4 =>
2 NH4VO3 + 2 H2SO4 + Zn = 2 VO2 + (NH4)2SO4 + 2 H2O + ZnSO4
C6H4(OH)2 + H2 = H2O + C6H12 =>
C6H4(OH)2 + 5 H2 = 2 H2O + C6H12
NO2{-} + Al + H2O = NH3 + AlO2{-} + OH =>
NO2{-} + Al + 3 H2O = NH3 + AlO2{-} + 3 OH
CuSO4 + NaOH + HCl = NaCl + SO4 + CuOH + H =>
CuSO4 + NaOH + HCl = NaCl + SO4 + CuOH + H
Al = Al{+3} + e =>
Al = Al{+3} + 3e
KMnO4 + V2(SO4)3 + H2O = MnSO4 + VO(SO4) + K2SO4 + H2SO4 =>
2 KMnO4 + 5 V2(SO4)3 + 2 H2O = 2 MnSO4 + 10 VO(SO4) + K2SO4 + 2 H2SO4
C4H8(g) + O2(g) = CO2(g) + H2O(l) =>
C4H8(g) + 6 O2(g) = 4 CO2(g) + 4 H2O(l)
Ca + Cl2 = CaCl2 =>
Ca + Cl2 = CaCl2
C8H18(l) + O2(g) = CO2(g) + H2O(l) =>
2 C8H18(l) + 25 O2(g) = 16 CO2(g) + 18 H2O(l)
CuSO4(aq) + NaOH(aq) = CuOH(s) + NaSO4(aq) =>
CuSO4(aq) + NaOH(aq) = CuOH(s) + NaSO4(aq)
FeS + Na2O2 = Fe2O3 + Na2SO4 + Na2O =>
2 FeS + 9 Na2O2 = Fe2O3 + 2 Na2SO4 + 7 Na2O
Cu(OH)2 + H(C2H3O2) = Cu(C2H3O2)2 + H(OH) =>
Cu(OH)2 + 2 H(C2H3O2) = Cu(C2H3O2)2 + 2 H(OH)
AgBr + Cl2 = AgCl + Br2 =>
2 AgBr + Cl2 = 2 AgCl + Br2
MgO + H2S = MgOS2 + H2 =>
MgO + 2 H2S = MgOS2 + 2 H2
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l) =>
CaCO3(s) + H2SO4(aq) = CaSO4(aq) + CO2(g) + H2O(l)
FeCl2 + H2O = Fe(OH)2 + HCl =>
FeCl2 + 2 H2O = Fe(OH)2 + 2 HCl
Pb(NO3)2 + CuSO4 = Cu(NO3)2 + PbSO4 =>
Pb(NO3)2 + CuSO4 = Cu(NO3)2 + PbSO4
As2O3 = As + O2 =>
2 As2O3 = 4 As + 3 O2
Sr + As = Sr3As2 =>
3 Sr + 2 As = Sr3As2
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