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K2[Zn(CN)4] + KCN = K3[Zn(CN)5]
Na2SO3 + C = Na2S + CO =>
Na2SO3 + 3 C = Na2S + 3 CO
Fe + O2 = FeO3 =>
2 Fe + 3 O2 = 2 FeO3
HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + H2O(l) =>
2 HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 H2O(l)
HNO3(aq) = N2O5(s) + H2O(l) =>
2 HNO3(aq) = N2O5(s) + H2O(l)
RO + H2O = R(OH)2 =>
RO + H2O = R(OH)2
NiSO4 + NH3 = Ni(NH3)6 + SO4 =>
NiSO4 + 6 NH3 = Ni(NH3)6 + SO4
Cr(s) + HNO3(aq) = Cr(NO3)3 + NO(g) + H2O(l) =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3 + NO(g) + 2 H2O(l)
H2Te + KOH = H2O + K2Te =>
H2Te + 2 KOH = 2 H2O + K2Te
Cr(s) + HNO3(aq) = Cr(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cr(s) + 8 HNO3(aq) = 3 Cr(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Ca + HC1 = CaC2 + H2 =>
Ca + 2 HC1 = CaC2 + H2
AgNO3 + Na6KFe(CN)6 = NaNO3 + Ag6KFe(CN)6 =>
6 AgNO3 + Na6KFe(CN)6 = 6 NaNO3 + Ag6KFe(CN)6
K + CO2 = K2C2O4 =>
2 K + 2 CO2 = K2C2O4
LiClO3 = LiClO4 + LiCl =>
4 LiClO3 = 3 LiClO4 + LiCl
H2O + S = H2S + SO2 =>
2 H2O + 3 S = 2 H2S + SO2
NH4(OH) + Cu(SO4) = (NH4)(SO4) + Cu(OH) =>
NH4(OH) + Cu(SO4) = (NH4)(SO4) + Cu(OH)
K2[PtCl4] + KCN = K2[Pt(CN)4] + KCl =>
K2[PtCl4] + 4 KCN = K2[Pt(CN)4] + 4 KCl
Na2S2O3 + HCl = NaCl + S6 + SO3 + H2O =>
9 Na2S2O3 + 18 HCl = 18 NaCl + 2 S6 + 6 SO3 + 9 H2O
Fe + NHO3 = Fe(NO3)3 + H2 =>
2 Fe + 6 NHO3 = 2 Fe(NO3)3 + 3 H2
Ba(NO3)2 + H3(PO4) = Ba3(PO4)2 + HNO3 =>
3 Ba(NO3)2 + 2 H3(PO4) = Ba3(PO4)2 + 6 HNO3
HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + H2O(l) =>
2 HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 H2O(l)
H2SO4 + Zn = H + ZnSO4 =>
H2SO4 + Zn = 2 H + ZnSO4
Na2SO3 + C = Na2S + CO =>
Na2SO3 + 3 C = Na2S + 3 CO
Li2O + Al2O3 + SiO2 = LiAlSiO4 =>
Li2O + Al2O3 + 2 SiO2 = 2 LiAlSiO4
Ni + SnCl = Ni(Cl)2 + Sn =>
Ni + 2 SnCl = Ni(Cl)2 + 2 Sn
Cr(s) + HNO3(aq) = Cr(NO3)3 + NO(g) + H2O(l) =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3 + NO(g) + 2 H2O(l)
NH4Br + Ba(OH)2 = BaBr2 + NH3 + H2O =>
2 NH4Br + Ba(OH)2 = BaBr2 + 2 NH3 + 2 H2O
MgBr2 + Na2S = MgS + NaBr =>
MgBr2 + Na2S = MgS + 2 NaBr
Na2O*SiO2*5H2O + H2O = NaOH*3H2O + SiO2 =>
Na2O*SiO2*5H2O + 2 H2O = 2 NaOH*3H2O + SiO2
Cr(s) + HNO3(aq) = Cr(NO3)3 + NO(g) + H2O(l) =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3 + NO(g) + 2 H2O(l)
HC2H3O2 + LiHSO3 = H2SO3 + LiC2H3O2 =>
HC2H3O2 + LiHSO3 = H2SO3 + LiC2H3O2
Cu(OH)2 + HClO3 = Cu(ClO3)2 + H2O =>
Cu(OH)2 + 2 HClO3 = Cu(ClO3)2 + 2 H2O
Cl2 + CrCl3 + H2O + KCl = K2Cr2O7 + HCl =>
3 Cl2 + 2 CrCl3 + 7 H2O + 2 KCl = K2Cr2O7 + 14 HCl
Fe + NHO3 = Fe(NO3)3 + NO + H2O =>
Fe + 4 NHO3 = Fe(NO3)3 + NO + 2 H2O
Na2SO3 + C = Na2S + CO =>
Na2SO3 + 3 C = Na2S + 3 CO
Cr(s) + HNO3(aq) = Cr(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cr(s) + 8 HNO3(aq) = 3 Cr(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
Li2O + Al2O3 + SiO2 = LiAlSiO4 =>
Li2O + Al2O3 + 2 SiO2 = 2 LiAlSiO4
K2S + HCl = KCl + SH2 =>
K2S + 2 HCl = 2 KCl + SH2
Cr(s) + HNO3(aq) = Cr(NO3)3(aq) + NO(g) + H2O =>
Cr(s) + 4 HNO3(aq) = Cr(NO3)3(aq) + NO(g) + 2 H2O
NHO3 + Fe = H2 + Fe(NO3)2 =>
2 NHO3 + Fe = H2 + Fe(NO3)2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Fe + NHO3 = Fe(NO3)2 + NO + H2O =>
3 Fe + 8 NHO3 = 3 Fe(NO3)2 + 2 NO + 4 H2O
Sn2Cl2NaS2 = NaCl2Sn2S2 =>
Sn2Cl2NaS2 = NaCl2Sn2S2
CuS + HCl = CuCl4{-2} + H{+} + H2S =>
CuS + 4 HCl = CuCl4{-2} + 2 H{+} + H2S
Zn(C2H3O2)2 + Mg = Zn + MgC2H3O2 =>
Zn(C2H3O2)2 + 2 Mg = Zn + 2 MgC2H3O2
MgNO3 + H2O = HNO3 + MgOH =>
MgNO3 + H2O = HNO3 + MgOH
MgBr2 + Na2S = MgS + NaBr =>
MgBr2 + Na2S = MgS + 2 NaBr
NaCr2O7 + HCl = NaCl + CrCl3 + H2O + Cl =>
NaCr2O7 + 14 HCl = NaCl + 2 CrCl3 + 7 H2O + 7 Cl
HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + H2O(l) =>
2 HCl(aq) + Ca(OH)2(aq) = CaCl2(aq) + 2 H2O(l)
Fe + NHO3 = Fe(NO3)3 + NO2 + H2O =>
Fe + 6 NHO3 = Fe(NO3)3 + 3 NO2 + 3 H2O
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