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4 K + NaNO3 = 2 K2O + NaNO
Fe(OH)3 + H2CO3 = H2O + Fe2(CO3)3 =>
2 Fe(OH)3 + 3 H2CO3 = 6 H2O + Fe2(CO3)3
NaCl = Na + Cl2 =>
2 NaCl = 2 Na + Cl2
NH4(NO3)2 + NaOH = NH3 + H2O + NaNO3 =>
8 NH4(NO3)2 + 17 NaOH = 7 NH3 + 14 H2O + 17 NaNO3
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H3CrO3 = H2O + Cr2O3 =>
2 H3CrO3 = 3 H2O + Cr2O3
BaCl2 + H2SO4 = Ba(SO4) + Cl2H2 =>
BaCl2 + H2SO4 = Ba(SO4) + Cl2H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
H3CrO3 = H2O + Cr2O3 =>
2 H3CrO3 = 3 H2O + Cr2O3
Mn2O3 + H2O2 = MnO2 + H2O =>
Mn2O3 + H2O2 = 2 MnO2 + H2O
AgNO3 + CU = CU(NO3)2 + Ag =>
2 AgNO3 + CU = CU(NO3)2 + 2 Ag
KNO3 + KCl + H2SO4 = K2SO4 + NO + H2O + Cl2 =>
2 KNO3 + 6 KCl + 4 H2SO4 = 4 K2SO4 + 2 NO + 4 H2O + 3 Cl2
H2C = CH2 =>
H2C = CH2
P4 + Br2 = PBr3 =>
P4 + 6 Br2 = 4 PBr3
CaCO3 + Mg3Si4O10(OH)2 = Ca2Mg5Si8O22(OH)2 + CaMg(CO3)2 + H2O + CO2 =>
3 CaCO3 + 2 Mg3Si4O10(OH)2 = Ca2Mg5Si8O22(OH)2 + CaMg(CO3)2 + H2O + CO2
C2H5OH5 + O2 = CO2 + H2O =>
C2H5OH5 + 4 O2 = 2 CO2 + 5 H2O
C7H6Cl2 + KMnO4 + H2SO4 = C7H6O2 + Cl2 + K2SO4 + MnSO4 + H2O =>
5 C7H6Cl2 + 4 KMnO4 + 6 H2SO4 = 5 C7H6O2 + 5 Cl2 + 2 K2SO4 + 4 MnSO4 + 6 H2O
H3CrO3 = H2O + Cr2O3 =>
2 H3CrO3 = 3 H2O + Cr2O3
(NH4)6Mo7O24*H2O = MoO3 + NH3 + H2O =>
(NH4)6Mo7O24*H2O = 7 MoO3 + 6 NH3 + 4 H2O
Fe(s) + Cu(NO3)2 = Fe(NO3)2 + Cu(s) =>
Fe(s) + Cu(NO3)2 = Fe(NO3)2 + Cu(s)
NaI + K2Cr2O7 = K2I + NaCr2O7 =>
NaI + K2Cr2O7 = K2I + NaCr2O7
HNO3 = NO2 + O2 + H2O = HNO3 =>
4 HNO3 = 4 NO2 + O2 + 2 H2O
H3CrO3 = H2O + Cr2O3 =>
2 H3CrO3 = 3 H2O + Cr2O3
CaC2 + CO2 + H2O = Ca(OH)2 + C2H4O2 =>
4 CaC2 + 2 CO2 + 14 H2O = 4 Ca(OH)2 + 5 C2H4O2
HCl(aq) + As2O3(s) + NaNO3(aq) + H2O(i) = NO(g) + H3AsO4(aq) + NaCl(aq) =>
4 HCl(aq) + 3 As2O3(s) + 4 NaNO3(aq) + 7 H2O(i) = 4 NO(g) + 6 H3AsO4(aq) + 4 NaCl(aq)
BaC2O4 + CH3COOH = HC2O4 + CH3COOBa =>
BaC2O4 + CH3COOH = HC2O4 + CH3COOBa
NaCl + H2SO4 = Na2SO4 + HCl = =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
P4O6 + H2O = H3PO3 =>
P4O6 + 6 H2O = 4 H3PO3
Pb3O4 + KOH + H2O = K2[Pb(OH)4] + K3[Pb(OH)6] =>
Pb3O4 + 8 KOH + 4 H2O = K2[Pb(OH)4] + 2 K3[Pb(OH)6]
BaCl2 + H2SO4 = Ba(SO4) + Cl2H2 =>
BaCl2 + H2SO4 = Ba(SO4) + Cl2H2
Na2O + H2O = NaOH =>
Na2O + H2O = 2 NaOH
*2Fe2O3 + *3C = *4Fe + *3CO2 =>
*2Fe2O3 + *3C = *4Fe + *3CO2
NH4F = NH4FHF + NH3 =>
2 NH4F = NH4FHF + NH3
KNO3 + MnO + KOH = K2MnO4 + KNO2 + H2O =>
2 KNO3 + MnO + 2 KOH = K2MnO4 + 2 KNO2 + H2O
KMnO4 + Mg(HCO3)2 = KHCO3 + Mg(MnO4)2 =>
2 KMnO4 + Mg(HCO3)2 = 2 KHCO3 + Mg(MnO4)2
NaOH + Cl2 = NaCl + NaClO + H2O =>
2 NaOH + Cl2 = NaCl + NaClO + H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
MgO + NO2 + O2 = Mg(NO3)2 =>
2 MgO + 4 NO2 + O2 = 2 Mg(NO3)2
C6H5NH2 + H2O = OH + HC6H5NH2 =>
C6H5NH2 + H2O = OH + HC6H5NH2
HBr + Cl = ClBr + H =>
HBr + Cl = ClBr + H
NH4 + Ag2O = (NH4)2O + Ag =>
2 NH4 + Ag2O = (NH4)2O + 2 Ag
H2SO4 + KH2PO4 = KH2SO4 + H2PO4 =>
H2SO4 + KH2PO4 = KH2SO4 + H2PO4
NO3{-}(aq) + OH{-}(aq) + Zn(s) + H2O(l) = [Zn(OH)4]{2-}(aq) + NH3(g) =>
NO3{-}(aq) + 7 OH{-}(aq) + 4 Zn(s) + 6 H2O(l) = 4[Zn(OH)4]{2-}(aq) + NH3(g)
HNO2 + H{+} + e = H2N2O2 + H2O =>
2 HNO2 + 4 H{+} + 4e = H2N2O2 + 2 H2O
Ba(OH)2*8H2O + NH4SCN = Ba(SCN)2 + H2O + NH3 =>
Ba(OH)2*8H2O + 2 NH4SCN = Ba(SCN)2 + 10 H2O + 2 NH3
Pb3O4 + KOH + H2O = K2[Pb(OH)4] + K3[Pb(OH)6] =>
Pb3O4 + 8 KOH + 4 H2O = K2[Pb(OH)4] + 2 K3[Pb(OH)6]
Zn2 + AgNO3 = Zn3NO3 + Ag =>
3 Zn2 + 2 AgNO3 = 2 Zn3NO3 + 2 Ag
KOH + BaCl2 = Ba(OH)2 + KCl =>
2 KOH + BaCl2 = Ba(OH)2 + 2 KCl
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