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4 KHCO3 = 2 K2C2O4 + 2 H2O + O2
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
H2S + HNO3 = H20O + S + NO =>
39 H2S + 2 HNO3 = 4 H20O + 39 S + 2 NO
CrBr3 + I2 = CrI + Br =>
2 CrBr3 + I2 = 2 CrI + 6 Br
(NH4)I + Ag(NO3) = (NH4)(NO3) + AgI =>
(NH4)I + Ag(NO3) = (NH4)(NO3) + AgI
Ca(OH)2 + Mg3(PO4)2 = Ca3(PO4)2 + Mg(OH)2 =>
3 Ca(OH)2 + Mg3(PO4)2 = Ca3(PO4)2 + 3 Mg(OH)2
C3H + H2O = H2 + CO2 =>
2 C3H + 12 H2O = 13 H2 + 6 CO2
SO2 + CaCO3 + O2 = CO2 + CaSO4 =>
2 SO2 + 2 CaCO3 + O2 = 2 CO2 + 2 CaSO4
MgH2 + HCl = HH2 + MgCl2 =>
3 MgH2 + 6 HCl = 4 HH2 + 3 MgCl2
PCl3 + C2H5OH + H2O = P(O)H(OC2H5)2 + HCl =>
PCl3 + 2 C2H5OH + H2O = P(O)H(OC2H5)2 + 3 HCl
(NH3)NO3 + NaOH = NaNO3 + NH3 + H2O =>
8(NH3)NO3 + 9 NaOH = 9 NaNO3 + 7 NH3 + 6 H2O
C10H22 + H2O2 = C10H22O + H2 =>
2 C10H22 + H2O2 = 2 C10H22O + H2
KBr + Al(NO3)3 = KNO3 + AlBr3 =>
3 KBr + Al(NO3)3 = 3 KNO3 + AlBr3
(NH4)2CO3(aq) + CaCl2(aq) = (NH4)Cl(aq) + CaCO3(l) =>
(NH4)2CO3(aq) + CaCl2(aq) = 2(NH4)Cl(aq) + CaCO3(l)
PCl2 + H2O = H2PO2 + HCl =>
PCl2 + 2 H2O = H2PO2 + 2 HCl
Al(NO3)3 + Li2SO4 = Al2(SO4)3 + LiNO3 =>
2 Al(NO3)3 + 3 Li2SO4 = Al2(SO4)3 + 6 LiNO3
MgSO4*7H2O + Ca(C2H3O2)2*H2O = Mg(C2H3O2)2 + CaSO4 + H2O =>
MgSO4*7H2O + Ca(C2H3O2)2*H2O = Mg(C2H3O2)2 + CaSO4 + 8 H2O
C6H8O7 + HCl = ClC6H7O6 + H2O =>
C6H8O7 + HCl = ClC6H7O6 + H2O
Al2(SO4)3 + Ca(PO4) = Al2(PO4)3 + Ca(SO4) =>
Al2(SO4)3 + 3 Ca(PO4) = Al2(PO4)3 + 3 Ca(SO4)
Co(OH2)6Cl2 + NH4Cl + NH3 + H2O2 = Co(NH3)5Cl3 + H2O =>
2 Co(OH2)6Cl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2 Co(NH3)5Cl3 + 14 H2O
Hg2(CN)2 = Hg + CN =>
Hg2(CN)2 = 2 Hg + 2 CN
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
Na3PO4 + CuCl2 = Na2Cu + PO4Cl3 =>
2 Na3PO4 + 3 CuCl2 = 3 Na2Cu + 2 PO4Cl3
Ba(H2PO2) + AgNO3 = BaPHO3 + Ag + NO2 + H2O =>
2 Ba(H2PO2) + 3 AgNO3 = 2 BaPHO3 + 3 Ag + 3 NO2 + H2O
H2O + Al + Ba(NO3)2 = Ba(OH)2 + Al(OH)2 + NH3 =>
12 H2O + 8 Al + Ba(NO3)2 = Ba(OH)2 + 8 Al(OH)2 + 2 NH3
AX + BY = AXBY =>
AX + BY = AXBY
K4Fe(CN)6 + AgNO3 = Ag4Fe(CN)6 + KNO3 =>
K4Fe(CN)6 + 4 AgNO3 = Ag4Fe(CN)6 + 4 KNO3
Mg3(CO3)2 = Mg + CO3 =>
Mg3(CO3)2 = 3 Mg + 2 CO3
Ca(OH)2 + SO3 = Ca(SO4)H2O =>
Ca(OH)2 + SO3 = Ca(SO4)H2O
HCl + HNO3 + Au = H2O + HAuCl4 + NO2 =>
4 HCl + 3 HNO3 + Au = 3 H2O + HAuCl4 + 3 NO2
C6H14N2 + O2 = CO2 + H2O + NH3 =>
C6H14N2 + 8 O2 = 6 CO2 + 4 H2O + 2 NH3
Zn + Cu(No3) = Zn(No3)2 + Cu =>
Zn + 2 Cu(No3) = Zn(No3)2 + 2 Cu
C2H4(gas) + O2(gas) = CO2(gas) + H2O(gas) =>
C2H4(gas) + 3 O2(gas) = 2 CO2(gas) + 2 H2O(gas)
CuCO3 + HI = CuI2 + H2O + CO2 =>
CuCO3 + 2 HI = CuI2 + H2O + CO2
HCOOK + K2Cr2O7 + H2SO4 = CO2 + H2O + K2SO4 + Cr2(SO4)3 =>
6 HCOOK + 2 K2Cr2O7 + 11 H2SO4 = 6 CO2 + 14 H2O + 5 K2SO4 + 2 Cr2(SO4)3
AgNO3 + NH3 = AgNH3 + NO3 =>
AgNO3 + NH3 = AgNH3 + NO3
C6H7O7 + NaHCO3 = Na3C6H5O7 + H2O + CO2 =>
18 C6H7O7 + 51 NaHCO3 = 17 Na3C6H5O7 + 46 H2O + 57 CO2
NaOH + NaHCO3 = NaCO3 + Na + H2O =>
NaOH + NaHCO3 = NaCO3 + Na + H2O
Na2SO3 + KMnO4 + HCl = Na2SO4 + MnCl2 + H2O + KCl =>
5 Na2SO3 + 2 KMnO4 + 6 HCl = 5 Na2SO4 + 2 MnCl2 + 3 H2O + 2 KCl
Cu + H2SO4(aq) = Cu(SO4)2(aq) + SO2(g) + H2O(l) =>
Cu + 4 H2SO4(aq) = Cu(SO4)2(aq) + 2 SO2(g) + 4 H2O(l)
Fe + O + H2O = FeOH2O =>
Fe + O + H2O = FeOH2O
Na2SO4*Pb(NO3)2 = NaNO3 + PbSO4 =>
Na2SO4*Pb(NO3)2 = 2 NaNO3 + PbSO4
Na2B4O7*10H2O(borax) + HCl = NaCl + H3BO3 + H2O =>
Na2B4O7*10H2O(borax) + 2 HCl = 2 NaCl + 4 H3BO3 + 5 H2O
CH3OH + NaMnO4 = Na2CO3 + MnO2 + H2O =>
CH3OH + 2 NaMnO4 = Na2CO3 + 2 MnO2 + 2 H2O
Na2O + H2(SO4) = Na2(SO4) + H2O =>
Na2O + H2(SO4) = Na2(SO4) + H2O
P4 + I = PI =>
P4 + 4 I = 4 PI
HCl + Ba(OH)3 = BaCl3 + H2O =>
3 HCl + Ba(OH)3 = BaCl3 + 3 H2O
Ba(Cl2) + Na2(SO4) = Ba(SO4) + Na2(Cl2) =>
Ba(Cl2) + Na2(SO4) = Ba(SO4) + Na2(Cl2)
HCl + BaCl2 = H2 + BaCl4 =>
2 HCl + BaCl2 = H2 + BaCl4
NaOH + CuCl2 = Cu(OH)2 + NaCl =>
2 NaOH + CuCl2 = Cu(OH)2 + 2 NaCl
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