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4 KO2 + 2 H2O = 4 KOH + 3 O2
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Ni + O2 = NiO =>
2 Ni + O2 = 2 NiO
(NH4)2CO3 + K2SO4 = (NH4)2SO4 + K2CO3 =>
(NH4)2CO3 + K2SO4 = (NH4)2SO4 + K2CO3
AgNO3 + H2SO4 = Ag2SO4 + HNO3 =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
Al + HNO3 = Al(NO3)3 + N2 + H2O =>
10 Al + 36 HNO3 = 10 Al(NO3)3 + 3 N2 + 18 H2O
H3PO4 + HCl = PCl5 + H2O =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
K2Cr2O7 + C2O3H2 + H2SO4 = CO2 + H2O + Cr2(SO4)3 + K2SO4 =>
2 K2Cr2O7 + 3 C2O3H2 + 8 H2SO4 = 6 CO2 + 11 H2O + 2 Cr2(SO4)3 + 2 K2SO4
KI + H2SO4 = K2SO4 + I2 + H2S + H2O =>
8 KI + 5 H2SO4 = 4 K2SO4 + 4 I2 + H2S + 4 H2O
As2S5 + HNO3 = H3AsO4 + H2SO4 + NO2 + H2O =>
As2S5 + 40 HNO3 = 2 H3AsO4 + 5 H2SO4 + 40 NO2 + 12 H2O
Fe + O2 + H2O = Fe(OH)2 =>
2 Fe + O2 + 2 H2O = 2 Fe(OH)2
CH4 + O2 = CO + H2O =>
2 CH4 + 3 O2 = 2 CO + 4 H2O
C7H9 + HNO3 = C7H6(NO2)3 + H2O =>
C7H9 + 3 HNO3 = C7H6(NO2)3 + 3 H2O
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
C2H6O(i) + O2(g) = CO2(g) + H2O(g) =>
C2H6O(i) + 3 O2(g) = 2 CO2(g) + 3 H2O(g)
CH3(CH2)5CH3 + O2 = CO2 + H2O =>
CH3(CH2)5CH3 + 11 O2 = 7 CO2 + 8 H2O
Al2O3 + Ba(OH)2 = Ba(AlO2)2 + H2O =>
Al2O3 + Ba(OH)2 = Ba(AlO2)2 + H2O
C7H16(g) + O2(g) = CO2(g) + H2O(g) =>
C7H16(g) + 11 O2(g) = 7 CO2(g) + 8 H2O(g)
C5H8O2 + NaH + HCl = C5H12O2 + NaCl =>
C5H8O2 + 2 NaH + 2 HCl = C5H12O2 + 2 NaCl
P2O5 + HCl = POCl3 + HPO3 =>
2 P2O5 + 3 HCl = POCl3 + 3 HPO3
NaOH + HNO3 = H2O + NaNO3 =>
NaOH + HNO3 = H2O + NaNO3
NH3 + O2 + CH4 = HCN + H2O =>
2 NH3 + 3 O2 + 2 CH4 = 2 HCN + 6 H2O
Mg + Zn2{+} = Mg2{+} + Zn =>
2 Mg + Zn2{+} = Mg2{+} + 2 Zn
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaSiO3(s) + HF(i) = SiF4(g) + CaF2(s) + H2O(i) =>
CaSiO3(s) + 6 HF(i) = SiF4(g) + CaF2(s) + 3 H2O(i)
Al + NH4ClO4 = Al2O3 + AlCl3 + NO + H2O =>
3 Al + 3 NH4ClO4 = Al2O3 + AlCl3 + 3 NO + 6 H2O
HCl + NAOH = H2O + NACl =>
HCl + NAOH = H2O + NACl
Fe3 + NO3 = Fe3NO3 =>
Fe3 + NO3 = Fe3NO3
Pb(No3)2 + CuSo4 = Pb(So4)2 + CuNo3 =>
Pb(No3)2 + 2 CuSo4 = Pb(So4)2 + 2 CuNo3
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Mg + H{+} = Mg{+} + H2 =>
2 Mg + 2 H{+} = 2 Mg{+} + H2
NaCl(aq) + Pb(NO3)2(aq) = PbCl2(s) + Na(NO3)(aq) =>
2 NaCl(aq) + Pb(NO3)2(aq) = PbCl2(s) + 2 Na(NO3)(aq)
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
LiH + AlCl3 = LiAlH4 + LiCl =>
4 LiH + AlCl3 = LiAlH4 + 3 LiCl
HCl + KOH = H2O + KCl =>
HCl + KOH = H2O + KCl
K2Cr2O7 + H3AsO3 = H3AsO4 + KCr =>
K2Cr2O7 + 7 H3AsO3 = 7 H3AsO4 + 2 KCr
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
SiO2 + Al = Si + Al2O3 =>
3 SiO2 + 4 Al = 3 Si + 2 Al2O3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
AsCl3 + H2 = HCl + As =>
2 AsCl3 + 3 H2 = 6 HCl + 2 As
H3 + O4 = H8O =>
32 H3 + 3 O4 = 12 H8O
NH3 + CuO = N2 + H2O + Cu =>
2 NH3 + 3 CuO = N2 + 3 H2O + 3 Cu
O2 + H2 = H2O =>
O2 + 2 H2 = 2 H2O
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
NaHCO3 + H2SO4 = Na2SO4 + H2O + CO2 =>
2 NaHCO3 + H2SO4 = Na2SO4 + 2 H2O + 2 CO2
KCl + HNO3 + O2 = KNO3 + Cl2 + H2O =>
4 KCl + 4 HNO3 + O2 = 4 KNO3 + 2 Cl2 + 2 H2O
Zn + H{+} = Zn{+} + H2 =>
2 Zn + 2 H{+} = 2 Zn{+} + H2
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
NH4 + O2 = NO3 + H2O =>
2 NH4 + 5 O2 = 2 NO3 + 4 H2O
CH4(g) + Br2(g) = CBr4 + HBr(g) =>
CH4(g) + 4 Br2(g) = CBr4 + 4 HBr(g)
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