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2 NO + O2 = 2 NO2
C + Fe2O3 = Fe3 + CO2 =>
9 C + 6 Fe2O3 = 4 Fe3 + 9 CO2
Pb(NO3)2 + KI = PbI2 + KNO3 =>
Pb(NO3)2 + 2 KI = PbI2 + 2 KNO3
C + Fe2O3 = Fe4 + CO2 =>
3 C + 2 Fe2O3 = Fe4 + 3 CO2
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
C + Fe2O3 = Fe + CO2 =>
3 C + 2 Fe2O3 = 4 Fe + 3 CO2
P4 + S8 = P2S5 =>
4 P4 + 5 S8 = 8 P2S5
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
H2S + H2O2 = H2SO4 + H2O =>
H2S + 4 H2O2 = H2SO4 + 4 H2O
CH3CHClCOOH + MgO = CH3CHMgCOOH + ClO =>
CH3CHClCOOH + MgO = CH3CHMgCOOH + ClO
Cl + NaOH = NaClO3 + NaCl + H2O =>
6 Cl + 6 NaOH = NaClO3 + 5 NaCl + 3 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
CuSO4 + NaOH = Cu(OH)2 + Na2SO4 =>
CuSO4 + 2 NaOH = Cu(OH)2 + Na2SO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Zn(OH)2 + NaOH = Na2ZnO2 + H2O =>
Zn(OH)2 + 2 NaOH = Na2ZnO2 + 2 H2O
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
CO(g) + H2(g) = C8H18(l) + H2O =>
8 CO(g) + 17 H2(g) = C8H18(l) + 8 H2O
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HBrO4 + Mg(OH)2 = Mg(BrO4)2 + H2O =>
2 HBrO4 + Mg(OH)2 = Mg(BrO4)2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Hg(NO3)2 + KI = HgI2 + KNO3 =>
Hg(NO3)2 + 2 KI = HgI2 + 2 KNO3
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
N2H4 + N2O4 = N2 + H2O =>
2 N2H4 + N2O4 = 3 N2 + 4 H2O
Cu(s) + HNO3(aq) = Cu(NO3)2(aq) + NO(g) + H2O(l) =>
3 Cu(s) + 8 HNO3(aq) = 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(l)
BaCl2 + AgNO3 = Ba(NO3)2 + AgCl =>
BaCl2 + 2 AgNO3 = Ba(NO3)2 + 2 AgCl
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
CH3CHClCOOH + MgO = CH3CHMgCOOH + ClO =>
CH3CHClCOOH + MgO = CH3CHMgCOOH + ClO
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
P2O3 + H2O = H3PO3 =>
P2O3 + 3 H2O = 2 H3PO3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe + CuCl2 = FeCl3 + Cu =>
2 Fe + 3 CuCl2 = 2 FeCl3 + 3 Cu
KMnO4 + KOH = K2MnO4 + O2 + H2O =>
4 KMnO4 + 4 KOH = 4 K2MnO4 + O2 + 2 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
FeSO4 + H2 = Fe2 + H2SO4 =>
2 FeSO4 + 2 H2 = Fe2 + 2 H2SO4
AlBr3 = Al + Br2 =>
2 AlBr3 = 2 Al + 3 Br2
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
C17H35COOH + O2 = CO2 + H2O =>
C17H35COOH + 26 O2 = 18 CO2 + 18 H2O
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
BrO2 + NaOH = NaBr + NaBrO3 + H2O =>
6 BrO2 + 6 NaOH = NaBr + 5 NaBrO3 + 3 H2O
SO2 + H2S = H2O + S =>
SO2 + 2 H2S = 2 H2O + 3 S
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
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