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Na2(CO3) + Ca(OH)2 = 2 Na(OH) + Ca(CO3)
PbS + HBr = PbBr2 + H2S =>
PbS + 2 HBr = PbBr2 + H2S
CuSO4 + H2O = Cu(OH)2 + H2SO4 =>
CuSO4 + 2 H2O = Cu(OH)2 + H2SO4
C3H7Br + Br2 = C3H6Br + HBr =>
2 C3H7Br + Br2 = 2 C3H6Br + 2 HBr
KBr(aq) + BaCl2(aq) = KCl(aq) + BaBr2(aq) =>
2 KBr(aq) + BaCl2(aq) = 2 KCl(aq) + BaBr2(aq)
C6H12O6(s) = C2H5OH + CO2 =>
C6H12O6(s) = 2 C2H5OH + 2 CO2
AlBr3 + CaCl2 = AlCl3 + CaBr2 =>
2 AlBr3 + 3 CaCl2 = 2 AlCl3 + 3 CaBr2
Fe(NO3)3(aq) + NH4SCN(aq) = Fe(SCN)3 + NH4NO3 =>
Fe(NO3)3(aq) + 3 NH4SCN(aq) = Fe(SCN)3 + 3 NH4NO3
PbCl2 + HCl = PbCl3 + H =>
PbCl2 + HCl = PbCl3 + H
KOH = K2OH2O =>
2 KOH = K2OH2O
CO3 = CO2 + O =>
CO3 = CO2 + O
NH4 + AgNO2 = Ag + NH4NO2 =>
NH4 + AgNO2 = Ag + NH4NO2
CaC2O4 + HCl = Ca + Cl + HC2O4 =>
CaC2O4 + HCl = Ca + Cl + HC2O4
Pb + HNO3 = OPb(NO3)2 + NO + H2O =>
3 Pb + 10 HNO3 = 3 OPb(NO3)2 + 4 NO + 5 H2O
KClO3 + S + H2O = H2SO4 + K2SO4*Cl2 =>
6 KClO3 + 5 S + 2 H2O = 2 H2SO4 + 3 K2SO4*Cl2
ZnCl3 + H2O = Zn(OH)3 + HCl =>
ZnCl3 + 3 H2O = Zn(OH)3 + 3 HCl
P + HClO3 + H2O = H3PO4 + Cl =>
P + HClO3 + H2O = H3PO4 + Cl
NaPO4 + KOH = NaH + PO5K =>
NaPO4 + KOH = NaH + PO5K
Cr(NO3)3 + NaOH + HCl = Cr(OH)3 + NaCl + HNO3 =>
Cr(NO3)3 + 3 NaOH + 3 HCl = Cr(OH)3 + 3 NaCl + 3 HNO3
K2ClO4 + H2O = K2Cl2O7 + KOH =>
2 K2ClO4 + H2O = K2Cl2O7 + 2 KOH
KI + Pb(CH3COO)2 = K(CH3COO)2 + PbI =>
KI + Pb(CH3COO)2 = K(CH3COO)2 + PbI
C6H12O6 = C3H6O3 =>
C6H12O6 = 2 C3H6O3
Fe(OH)2 + Br2 + NaOH = NaBr + Na3[Fe(OH)6] =>
2 Fe(OH)2 + Br2 + 8 NaOH = 2 NaBr + 2 Na3[Fe(OH)6]
sulfuricacid + potassiumhydroxide = water + potassiumsulfate =>
H2SO4 + 2 KOH = 2 H2O + K2SO4
CuSO4 + NH4OH = CuSO4NH4OH =>
CuSO4 + NH4OH = CuSO4NH4OH
NiO + Na2O = Na2NiO2 =>
NiO + Na2O = Na2NiO2
KMnO4 + Fe(SO4) + H2SO4 = MnSO4 + Fe2(SO4)3 + H2O + K2SO4 =>
2 KMnO4 + 10 Fe(SO4) + 8 H2SO4 = 2 MnSO4 + 5 Fe2(SO4)3 + 8 H2O + K2SO4
CH3COOH + CH3ONa = CH3COONa + CH3OH =>
CH3COOH + CH3ONa = CH3COONa + CH3OH
ClN2 + Ba2CO3 = ClCO3 + BaN =>
ClN2 + Ba2CO3 = ClCO3 + 2 BaN
NaNO2 + CuCl2 = CuNO2 + NaCl2 =>
NaNO2 + CuCl2 = CuNO2 + NaCl2
Cu2S + HNO3 = H2O + NO2 + CuSO4 + Cu(NO3)2 =>
Cu2S + 12 HNO3 = 6 H2O + 10 NO2 + CuSO4 + Cu(NO3)2
H2O2 + KI = I2 + KOH =>
H2O2 + 2 KI = I2 + 2 KOH
NaNO2 + NaBrO = NaNO3 + NaBr =>
NaNO2 + NaBrO = NaNO3 + NaBr
KMnO4 + H2SO4 + Na2SO3 = H2O + K2SO4 + MnSO4 + Na2SO4 =>
2 KMnO4 + 3 H2SO4 + 5 Na2SO3 = 3 H2O + K2SO4 + 2 MnSO4 + 5 Na2SO4
MgBr2 + CI = MgCI + Br =>
MgBr2 + CI = MgCI + 2 Br
PtCl4 + SnCl2 = Pt + SnCl4 =>
PtCl4 + 2 SnCl2 = Pt + 2 SnCl4
Sn(s) + HCl(aq) = SnCl(aq) + H2(aq) =>
2 Sn(s) + 2 HCl(aq) = 2 SnCl(aq) + H2(aq)
Sc + H2SO4 = Sc(SO4)3 + H2 =>
Sc + 3 H2SO4 = Sc(SO4)3 + 3 H2
NaNO2 + Na2SO3 + HCl = NO + NaCl + H2O + Na2SO4 =>
2 NaNO2 + Na2SO3 + 2 HCl = 2 NO + 2 NaCl + H2O + Na2SO4
C6H5NH2 + HNO2 = C6H5OH + N2 + HOH =>
C6H5NH2 + HNO2 = C6H5OH + N2 + HOH
H2S + HNO3 = N2 + H2SO4 + H2O =>
5 H2S + 8 HNO3 = 4 N2 + 5 H2SO4 + 4 H2O
CuSO4 + H2O = Cu + O2 + H2SO4 =>
2 CuSO4 + 2 H2O = 2 Cu + O2 + 2 H2SO4
CH3COOH + CH3ONa = CH3COONa + CH3OH =>
CH3COOH + CH3ONa = CH3COONa + CH3OH
P + HClO3 + H2O = H3PO4 + Cl =>
P + HClO3 + H2O = H3PO4 + Cl
N2O5 + Mg(OH)2 = Mg(NO3)2 + H2O =>
N2O5 + Mg(OH)2 = Mg(NO3)2 + H2O
Hg + HNO3 = Hg2(NO3)2 + NO + HOH =>
6 Hg + 8 HNO3 = 3 Hg2(NO3)2 + 2 NO + 4 HOH
P + NO = P2O5 + N2 =>
4 P + 10 NO = 2 P2O5 + 5 N2
C6H12(l) + O2(g) = H2C6H8O4(l) + H2O(g) =>
2 C6H12(l) + 5 O2(g) = 2 H2C6H8O4(l) + 2 H2O(g)
C7H10N + O2 = CO2 + H2O + NO2 =>
2 C7H10N + 21 O2 = 14 CO2 + 10 H2O + 2 NO2
Na2CrO4 + FeCl3 = NaCl + Fe2(CrO4)3 =>
3 Na2CrO4 + 2 FeCl3 = 6 NaCl + Fe2(CrO4)3
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