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Na2SeO4 + BaCl2 = BaSeO4 + 2 NaCl
Fe + C = Fe4C3 =>
4 Fe + 3 C = Fe4C3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al2(SO4)3 + Ba(Cl)2 = Al(Cl)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(Cl)2 = 2 Al(Cl)3 + 3 BaSO4
NaSO3 + HCl = SO2 + NaCl + Cl2 + H2O =>
2 NaSO3 + 4 HCl = 2 SO2 + 2 NaCl + Cl2 + 2 H2O
C + SO{2+} = CS{2+} + CO =>
2 C + SO{2+} = CS{2+} + CO
HClO4 + Na2S = NaClO4 + H2S =>
2 HClO4 + Na2S = 2 NaClO4 + H2S
KF + HCl = KCl + HF =>
KF + HCl = KCl + HF
N2 + F6 = NF3 =>
N2 + F6 = 2 NF3
(b)Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
(b)Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
HgO = O2 + Hg =>
2 HgO = O2 + 2 Hg
FeCl3 + NaOH = Fe(OH)3* + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3* + 3 NaCl
HCl + FeCl3 = FeCl + HCl4 =>
2 HCl + 3 FeCl3 = 3 FeCl + 2 HCl4
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2 =>
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
Ba(No3)2 + HCl = BaCl + H(No3)2 =>
Ba(No3)2 + HCl = BaCl + H(No3)2
NaCl + HNO3 + AgNO3 = AgCl + Na(NO3)2 + H2 =>
2 NaCl + 2 HNO3 + 2 AgNO3 = 2 AgCl + 2 Na(NO3)2 + H2
K + B2O3 = K2O + B =>
6 K + B2O3 = 3 K2O + 2 B
Li(OH)2 + CO2 = LiCO3 + H2O =>
Li(OH)2 + CO2 = LiCO3 + H2O
Pb2S4 + O4 = Pb4O2 + SO2 =>
4 Pb2S4 + 9 O4 = 2 Pb4O2 + 16 SO2
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2 =>
Ba(NO3)2 + CaCl2 = BaCl2 + Ca(NO3)2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CH3Cl + AlCl3 = AlCH3 + Cl2 =>
CH3Cl + AlCl3 = AlCH3 + 2 Cl2
FeCl3 + Na3PO4 = Fe3(PO4)3 + NaCl =>
3 FeCl3 + 3 Na3PO4 = Fe3(PO4)3 + 9 NaCl
SeO2 + Ba(OH)2 = BaSeO3 + H2O =>
SeO2 + Ba(OH)2 = BaSeO3 + H2O
HCl + Li2SiO3 = LiCl + H2SiO3 =>
2 HCl + Li2SiO3 = 2 LiCl + H2SiO3
Ni(NO3)2 + K4Fe(CN)6 = Ni2Fe(CN)6 + KNO3 =>
2 Ni(NO3)2 + K4Fe(CN)6 = Ni2Fe(CN)6 + 4 KNO3
Bi2O3 + Cl2 + KOH = K3BiO4 + KCl + H2O =>
Bi2O3 + 2 Cl2 + 10 KOH = 2 K3BiO4 + 4 KCl + 5 H2O
FeCl3 + Na3PO4 = Fe3(PO4)3 + NaCl =>
3 FeCl3 + 3 Na3PO4 = Fe3(PO4)3 + 9 NaCl
KHSO3 + HCl = H2SO3 + KCl =>
KHSO3 + HCl = H2SO3 + KCl
Al2(SO4)3 + Ba(Cl)2 = Al(Cl)3 + BaSO4 =>
Al2(SO4)3 + 3 Ba(Cl)2 = 2 Al(Cl)3 + 3 BaSO4
H{+} + MnO4{-} + Cr3{+} = Cr2O72{-} + Mn2{+} + H2O =>
1216 H{+} + 854 MnO4{-} + 26 Cr3{+} = 39 Cr2O72{-} + 427 Mn2{+} + 608 H2O
HNO3 + KNO3 = NO3 + KNO3H =>
HNO3 + KNO3 = NO3 + KNO3H
CuSO4(aq) + Na2S(aq) = CuS(s) + Na2SO4(aq) =>
CuSO4(aq) + Na2S(aq) = CuS(s) + Na2SO4(aq)
NaBrO + MnCl2 + NaOH = NaBr + MnO2 + NaCl + H2O =>
NaBrO + MnCl2 + 2 NaOH = NaBr + MnO2 + 2 NaCl + H2O
Rb + RbNO3 = Rb2O + N2 =>
10 Rb + 2 RbNO3 = 6 Rb2O + N2
Sn + Fe2O3 = SnO2 + Fe =>
3 Sn + 2 Fe2O3 = 3 SnO2 + 4 Fe
NaBH4 + HCl + C17H21N4O9P = NaCl + BH3 + C17H23N4O9P =>
NaBH4 + HCl + C17H21N4O9P = NaCl + BH3 + C17H23N4O9P
Na4(CO4)2 + C6H8O7 = CO2 + H2O + Na3C6H5O7 =>
9 Na4(CO4)2 + 14 C6H8O7 = 30 CO2 + 26 H2O + 12 Na3C6H5O7
CH3Cl + AlCl3 = AlCH3 + Cl2 =>
CH3Cl + AlCl3 = AlCH3 + 2 Cl2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
FeCl2 + NH4OH = FeO2H2 + NH4Cl =>
FeCl2 + 2 NH4OH = FeO2H2 + 2 NH4Cl
Ni(NO3)2 + K2Cr2O7 = KNO3 + Ni2(Cr2O7)2 =>
2 Ni(NO3)2 + 2 K2Cr2O7 = 4 KNO3 + Ni2(Cr2O7)2
FeCl3 + H2SO4 = Fe(HSO4)3 + HCl =>
FeCl3 + 3 H2SO4 = Fe(HSO4)3 + 3 HCl
C6H6 + NaOH = C6H5Na + H2O =>
C6H6 + NaOH = C6H5Na + H2O
Pb2Cl2 + Mg = MgCl + Pb2 =>
Pb2Cl2 + 2 Mg = 2 MgCl + Pb2
MgO + MgCl2 + H2O = Mg(OH)Cl =>
MgO + MgCl2 + H2O = 2 Mg(OH)Cl
Hg2O + Hg3PO4 = Hg + PO4O10 =>
10 Hg2O + Hg3PO4 = 23 Hg + PO4O10
(NH4)2MoO4 + H2SO4 = MoO3 + H2O + (NH4)2SO4 =>
(NH4)2MoO4 + H2SO4 = MoO3 + H2O + (NH4)2SO4
CH3Cl + AlCl3 = AlCH3 + Cl2 =>
CH3Cl + AlCl3 = AlCH3 + 2 Cl2
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