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2 KMnO4 + 5 Zn + 9 H2SO4 = 2 KHSO4 + 2 MnSO4 + 5 ZnSO4 + 8 H2O
(NH4)2SO4 + Pb(NO2)2 = NH4NO2 + PbSO4 =>
(NH4)2SO4 + Pb(NO2)2 = 2 NH4NO2 + PbSO4
K02 = K202 =>
101 K02 = K202
NH3 + O = N + H2O =>
2 NH3 + 3 O = 2 N + 3 H2O
Na2SO4 + FeCl2 = FeSO4 + NaCl =>
Na2SO4 + FeCl2 = FeSO4 + 2 NaCl
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Mn(NO3)2 + AgCl + NH3 = AgNO3 + Mn[(NH3)6]Cl2 =>
Mn(NO3)2 + 2 AgCl + 6 NH3 = 2 AgNO3 + Mn[(NH3)6]Cl2
Cu(NO3)2(ac) + Na2S(ac) = CuS + NaNO3 =>
Cu(NO3)2(ac) + Na2S(ac) = CuS + 2 NaNO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
KI + Pb(NO3)2 = PbI2 + KNO3 =>
2 KI + Pb(NO3)2 = PbI2 + 2 KNO3
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
C2H8 + Br2 = C2H8Br2 =>
C2H8 + Br2 = C2H8Br2
HCl + KOH = H2O + KCl =>
HCl + KOH = H2O + KCl
C2H4Cl2Cl2 = C2H3Cl3HCl =>
C2H4Cl2Cl2 = C2H3Cl3HCl
NiSO4 + NaBH4 = Ni + B2(SO4)3 + Na2SO4 + H2 =>
4 NiSO4 + 2 NaBH4 = 4 Ni + B2(SO4)3 + Na2SO4 + 4 H2
Mn(NO3)2 + C2H5NO2 = MnO + CO2 + N2 + H2O =>
9 Mn(NO3)2 + 10 C2H5NO2 = 9 MnO + 20 CO2 + 14 N2 + 25 H2O
Mg + H3(PO4)2 = Mg3(PO4)2 + H2 =>
6 Mg + 2 H3(PO4)2 = 2 Mg3(PO4)2 + 3 H2
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
Mg + H3O{+} = Mg{2+} + H2 + H2O =>
Mg + 2 H3O{+} = Mg{2+} + H2 + 2 H2O
Cr(s) + PbF2(aq) = CrF2 + Pb =>
Cr(s) + PbF2(aq) = CrF2 + Pb
CaH2 + N2 = CaNH + NH3 =>
3 CaH2 + 2 N2 = 3 CaNH + NH3
K2O + Mn2O7 = KMnO4 =>
K2O + Mn2O7 = 2 KMnO4
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
Au + K(CN) + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 K(CN) + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
C2H5OH + KMnO4 = K2CO3 + MnO2 + H2O =>
C2H5OH + 4 KMnO4 = 2 K2CO3 + 4 MnO2 + 3 H2O
Na3PO4 + ZnSO4 = Na2SO4 + Zn3(PO4)2 =>
2 Na3PO4 + 3 ZnSO4 = 3 Na2SO4 + Zn3(PO4)2
K2S + HI = K2(I)2 + H2S =>
K2S + 2 HI = K2(I)2 + H2S
Zn(OH)2 + HCl = ZnCl2(aq) + H2O =>
Zn(OH)2 + 2 HCl = ZnCl2(aq) + 2 H2O
NaCl + AgNO3 = NaNO3 + AgCl =>
NaCl + AgNO3 = NaNO3 + AgCl
NH3 + O = N2 + H2O =>
2 NH3 + 3 O = N2 + 3 H2O
Fe + SO2 = FeS + SO4 =>
Fe + 2 SO2 = FeS + SO4
Br2 + KBr = KBr3 =>
Br2 + KBr = KBr3
LiF = Li + F2 =>
2 LiF = 2 Li + F2
C3H5N6O9 = CO2 + N2 + H2O + O2 =>
4 C3H5N6O9 = 12 CO2 + 12 N2 + 10 H2O + O2
KNO3 + C + S = K2S + N2 + CO2 =>
2 KNO3 + 3 C + S = K2S + N2 + 3 CO2
Na2SiO3 + MgF2 = NaF + MgSiO3 =>
Na2SiO3 + MgF2 = 2 NaF + MgSiO3
Fe2O3 + H2 = Fe + H2O =>
Fe2O3 + 3 H2 = 2 Fe + 3 H2O
C6H5CH2CH3 + KMnO4 + KOH = C6H5COOK + K2MnO4 + H2O =>
7 C6H5CH2CH3 + 54 KMnO4 + 62 KOH = 8 C6H5COOK + 54 K2MnO4 + 46 H2O
Ba(OH)2 + FeO = BaO + Fe(OH)2 =>
Ba(OH)2 + FeO = BaO + Fe(OH)2
CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O =>
2 CH3COOH + CaCO3 = (CH3COO)2Ca + CO2 + H2O
K2SO4 + HBr = KBr + H2SO4 =>
K2SO4 + 2 HBr = 2 KBr + H2SO4
CaC2 + H2O = Ca(OH)2 + C2H2 = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
Li + CO2 = Li2C2 + Li2O =>
10 Li + 2 CO2 = Li2C2 + 4 Li2O
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Br2 + Ca(OH)2 = CaBr2 + Ca(BrO)2 + H2O =>
2 Br2 + 2 Ca(OH)2 = CaBr2 + Ca(BrO)2 + 2 H2O
NaHCO3 + Ba(NO3)2 = BaCO3 + NaNO3 + CO2 + H2O =>
2 NaHCO3 + Ba(NO3)2 = BaCO3 + 2 NaNO3 + CO2 + H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Ag2S + H{+} + NO3{-} = Ag + NO + SO2 + H2O =>
3 Ag2S + 4 H{+} + 4 NO3{-} = 6 Ag + 4 NO + 3 SO2 + 2 H2O
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
NH4 + Co(NO2)6 = Co + NH4NO2 =>
6 NH4 + Co(NO2)6 = Co + 6 NH4NO2
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