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H2 + C2H4 = C2H6
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
Ni(s) + HCl(aq) = H2(g) + NiCl2(aq) =>
Ni(s) + 2 HCl(aq) = H2(g) + NiCl2(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Zn + Pb(ClO)2 = Zn(ClO)2 + Pb2 =>
2 Zn + 2 Pb(ClO)2 = 2 Zn(ClO)2 + Pb2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NO2(g) + H2O(l) = HNO3(aq) + NO(g) =>
3 NO2(g) + H2O(l) = 2 HNO3(aq) + NO(g)
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
Pb3O + Al = Pb + AlO =>
Pb3O + Al = 3 Pb + AlO
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
N2 + F2 = NF3 =>
N2 + 3 F2 = 2 NF3
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CH3NH2 + O2 = CO2 + H2O + N2 =>
4 CH3NH2 + 9 O2 = 4 CO2 + 10 H2O + 2 N2
NH3(g) + O2(g) = NO(g) + H2O(g) =>
4 NH3(g) + 5 O2(g) = 4 NO(g) + 6 H2O(g)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Zn + Pb(ClO)2 = Zn(ClO)2 + Pb =>
Zn + Pb(ClO)2 = Zn(ClO)2 + Pb
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
NH4NO3 = N2O + H2O =>
NH4NO3 = N2O + 2 H2O
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb =>
Zn + Pb(NO3)2 = Zn(NO3)2 + Pb
Fe2(SO4)3 + Ba(OH)2 = Fe(OH)3 + BaSO4 =>
Fe2(SO4)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 BaSO4
Al(OH)3 + HCl = AlCl3 + H2O =>
Al(OH)3 + 3 HCl = AlCl3 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
H2C2O4 + NaOH = Na2C2O4 + H2O =>
H2C2O4 + 2 NaOH = Na2C2O4 + 2 H2O
NaI + Hg2(C2H3O2)2 = Hg2I + Na(C2H3O2)2 =>
NaI + Hg2(C2H3O2)2 = Hg2I + Na(C2H3O2)2
CF4 + Br2 = CBr4 + F2 =>
CF4 + 2 Br2 = CBr4 + 2 F2
Sr3(PO4)2 + Na2SO4 = Na3PO4 + SrSO4 =>
Sr3(PO4)2 + 3 Na2SO4 = 2 Na3PO4 + 3 SrSO4
Fr + H2O = FrOH + H2 =>
2 Fr + 2 H2O = 2 FrOH + H2
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
PCl5 + H2O = POCl3 + HCl =>
PCl5 + H2O = POCl3 + 2 HCl
Br2 + H2O + SO2 = HBr + H2SO4 =>
Br2 + 2 H2O + SO2 = 2 HBr + H2SO4
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al2O3 + C = Al + CO2 =>
2 Al2O3 + 3 C = 4 Al + 3 CO2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
CH3CHO + O2 = CO2 + H2O =>
2 CH3CHO + 5 O2 = 4 CO2 + 4 H2O
Cu(NO3)2 + NaOH = Cu(OH)2 + NaNO3 =>
Cu(NO3)2 + 2 NaOH = Cu(OH)2 + 2 NaNO3
Pb(NO3)2(aq) + KCl(aq) = PbCl2(s) + KNO3(aq) =>
Pb(NO3)2(aq) + 2 KCl(aq) = PbCl2(s) + 2 KNO3(aq)
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Al + FeO = Al2O3 + Fe =>
2 Al + 3 FeO = Al2O3 + 3 Fe
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Al(s) + HCl(aq) = AlCl3(aq) + H2(g) =>
2 Al(s) + 6 HCl(aq) = 2 AlCl3(aq) + 3 H2(g)
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Mg(s) + HCl = H2(g) + MgCl2 =>
Mg(s) + 2 HCl = H2(g) + MgCl2
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