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Pb2NO3 + KI = Pb2I + KNO3
CH4 + S = CS2 + H2 =>
CH4 + 2 S = CS2 + 2 H2
Al + Fe2O3 = Fe3 + Al2O3 =>
6 Al + 3 Fe2O3 = 2 Fe3 + 3 Al2O3
Mg + H2SO4(aq) = MgSO4(aq) + H2 =>
Mg + H2SO4(aq) = MgSO4(aq) + H2
Mg(HCO3)2(heat) = Mg + HCO3 =>
Mg(HCO3)2(heat) = Mg + 2 HCO3
Al(OH)4 + H2SO4 = Al(OH)3 + H2O + (SO4) =>
2 Al(OH)4 + H2SO4 = 2 Al(OH)3 + 2 H2O + (SO4)
C + SO = CS2 + CO =>
3 C + 2 SO = CS2 + 2 CO
Sn2O4 = Sn + O =>
Sn2O4 = 2 Sn + 4 O
TiO2(H2O)2 + NaOH = Na2[Ti(OH)6] =>
TiO2(H2O)2 + 2 NaOH = Na2[Ti(OH)6]
Na(CO3)2 = NaCO3 + O + CO2 =>
Na(CO3)2 = NaCO3 + O + CO2
Mg + CuS2 = Cu + MgS =>
2 Mg + CuS2 = Cu + 2 MgS
Mg + HCl = MgCl2 + H2474 =>
1237 Mg + 2474 HCl = 1237 MgCl2 + H2474
H2O + Ag2I = Ag2O + H2 + I2 =>
2 H2O + 2 Ag2I = 2 Ag2O + 2 H2 + I2
NH3 + CuSO4 = CuH2 + NHSO4 =>
NH3 + CuSO4 = CuH2 + NHSO4
Ca3P2O8 + SiO6 + C = CaSiO3 + P4 + CO =>
2 Ca3P2O8 + 6 SiO6 + 34 C = 6 CaSiO3 + P4 + 34 CO
TeO2 + Na2TeO3 + H2O = NaHTeO3 =>
TeO2 + Na2TeO3 + H2O = 2 NaHTeO3
Ni(OH)3 + CuSO4 = Ni2(SO4)3 + Cu(OH)2 =>
2 Ni(OH)3 + 3 CuSO4 = Ni2(SO4)3 + 3 Cu(OH)2
FeC2O4*2(H2O) + O2 = FeO + H2O + CO2 =>
2 FeC2O4*2(H2O) + O2 = 2 FeO + 4 H2O + 4 CO2
H2 + Cr = HCr2 =>
H2 + 4 Cr = 2 HCr2
Al + HCl = AlCl3 + H(g) =>
Al + 3 HCl = AlCl3 + 3 H(g)
Ca + Fe{3+} = Ca{2+} + Fe =>
3 Ca + 2 Fe{3+} = 3 Ca{2+} + 2 Fe
Ni + H2SO4 = NiSO4 + H2 =>
Ni + H2SO4 = NiSO4 + H2
Ba(OH)2 + Na3PO4 = Ba3(PO4)2 + NaOH =>
3 Ba(OH)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaOH
Fe(NO3)3 + KSCN = Fe(SCN)3 + KNO3 =>
Fe(NO3)3 + 3 KSCN = Fe(SCN)3 + 3 KNO3
FeNO3 = Fe + NO2 + O2 =>
2 FeNO3 = 2 Fe + 2 NO2 + O2
HNO3(d) + Mg(s) = H2(g) + Mg(NO3)2(ac) =>
2 HNO3(d) + Mg(s) = H2(g) + Mg(NO3)2(ac)
KClO4 + Mg = KClO4*4Mg =>
KClO4 + 4 Mg = KClO4*4Mg
Cr2O7(aq) + I(aq) = Cr(aq) + IO3(aq) =>
3 Cr2O7(aq) + 7 I(aq) = 6 Cr(aq) + 7 IO3(aq)
CaCl2 + Sr = SrCl2 + Ca =>
CaCl2 + Sr = SrCl2 + Ca
SC(NH2)2 + NO2 = N2 + H2O + SC =>
2 SC(NH2)2 + 2 NO2 = 3 N2 + 4 H2O + 2 SC
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
FeCl3 + Zn(NO3)2 = ZnCl3 + Fe(NO3)2 =>
FeCl3 + Zn(NO3)2 = ZnCl3 + Fe(NO3)2
Ba(OH)2 + NaSO4 = Ba(OH)2NaSO4 =>
Ba(OH)2 + NaSO4 = Ba(OH)2NaSO4
Mg(OH)2(aq) + CH3COOH(aq) = H2O(l) + Mg(CH3COO)2(aq) =>
Mg(OH)2(aq) + 2 CH3COOH(aq) = 2 H2O(l) + Mg(CH3COO)2(aq)
Fe2(SO4)3 = O2 + SO2 + Fe2O3 =>
2 Fe2(SO4)3 = 3 O2 + 6 SO2 + 2 Fe2O3
Ag + HNO2 = Ag(NO2) + NO + H2O =>
Ag + 2 HNO2 = Ag(NO2) + NO + H2O
NH3 + Sn(OH)4 = NO2 + SnO + H2O =>
2 NH3 + 7 Sn(OH)4 = 2 NO2 + 7 SnO + 17 H2O
CrCl3 + C2H8N2 = [CrCl3(C2H8N2)3] =>
CrCl3 + 3 C2H8N2 = [CrCl3(C2H8N2)3]
Al + Zn{+2} = Al3{+} + Zn =>
6 Al + Zn{+2} = 2 Al3{+} + Zn
C4H6 + KMnO4 + KOH = C2H4(OH)2 + O2 + K2MnO4 =>
C4H6 + 6 KMnO4 + 6 KOH = 2 C2H4(OH)2 + O2 + 6 K2MnO4
FeS + O2 = Fe2O7 + SO2 =>
4 FeS + 11 O2 = 2 Fe2O7 + 4 SO2
C + H1 = H1C2 =>
2 C + H1 = H1C2
SnCl4 + H2 + O2 = SnO2 + HCl =>
SnCl4 + 2 H2 + O2 = SnO2 + 4 HCl
H2SeO4 + Pb(OH)4 = [Pb(OH)3]2(SeO4) + H2O =>
H2SeO4 + 2 Pb(OH)4 = [Pb(OH)3]2(SeO4) + 2 H2O
C2H4 + K2Cr2O7 + H2O = C2H6O2 + Cr2O3 + KOH =>
3 C2H4 + K2Cr2O7 + 4 H2O = 3 C2H6O2 + Cr2O3 + 2 KOH
Zn(C2H3O2) + Na3(PO4) = Zn3(PO4)2 + Na2(C2H3O2) =>
3 Zn(C2H3O2) + 2 Na3(PO4) = Zn3(PO4)2 + 3 Na2(C2H3O2)
CH3CH2COCH3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3CH2CH2COOH + H2O =>
3 CH3CH2COCH3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 3 CH3CH2CH2COOH + 4 H2O
FeCl2 + H2S = Fe + HCl + S =>
FeCl2 + H2S = Fe + 2 HCl + S
MgCl2 + Cu = CuCl2 + Mg =>
MgCl2 + Cu = CuCl2 + Mg
Ca(OH)2 + H3Po4 = Ca3(Po4)2 + H(OH) =>
3 Ca(OH)2 + 2 H3Po4 = Ca3(Po4)2 + 6 H(OH)
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