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K + O = KO
H2O(l) = H2(g) + O2(g) =>
2 H2O(l) = 2 H2(g) + O2(g)
K + O2 = KO =>
2 K + O2 = 2 KO
C2H5OH + O2 = CO + H20 =>
10 C2H5OH + 5 O2 = 20 CO + 3 H20
P4 + NaOH + H2O = PH3 + NaH2PO2 =>
P4 + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
C2H5OH + O2 = CO + H2O =>
C2H5OH + 2 O2 = 2 CO + 3 H2O
N2O5 + NAOH = NANO3 + H2O =>
N2O5 + 2 NAOH = 2 NANO3 + H2O
FeCl2 + H2O = Fe3O4 + HCl + H2 =>
3 FeCl2 + 4 H2O = Fe3O4 + 6 HCl + H2
H2O2 + Cu + HCl = CuCl2 + H2O =>
H2O2 + Cu + 2 HCl = CuCl2 + 2 H2O
MnO2 + KI + H2SO4 = H2O + K2SO4 + I2 + MnSO4 =>
MnO2 + 2 KI + 2 H2SO4 = 2 H2O + K2SO4 + I2 + MnSO4
Si + NaOH + H2O = H2 + Na2SiO3 =>
Si + 2 NaOH + H2O = 2 H2 + Na2SiO3
Na + Mg(OH)2 = NaOH + Mg =>
2 Na + Mg(OH)2 = 2 NaOH + Mg
Zn + H2SO4 = Zn(SO4)2 + H2 =>
Zn + 2 H2SO4 = Zn(SO4)2 + 2 H2
P4 + NaOH + H2O = PH3 + NaH2PO2 =>
P4 + 3 NaOH + 3 H2O = PH3 + 3 NaH2PO2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Ni(NO3)3 + PbBr4 = NiBr3 + Pb(NO3)4 =>
4 Ni(NO3)3 + 3 PbBr4 = 4 NiBr3 + 3 Pb(NO3)4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C4H7Cl + H2 = C4H9Cl =>
C4H7Cl + H2 = C4H9Cl
H2(g) + O2(g) = H2O(g) =>
2 H2(g) + O2(g) = 2 H2O(g)
Zn + H2SO4 = Zn(SO4) + H2 =>
Zn + H2SO4 = Zn(SO4) + H2
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
FeCl3 + C6H6O = C6H5Cl + Fe(OH)3 =>
FeCl3 + 3 C6H6O = 3 C6H5Cl + Fe(OH)3
NaOH(aq) + HCl(aq) = NaCl(aq) + HOH(l) =>
NaOH(aq) + HCl(aq) = NaCl(aq) + HOH(l)
MnO + PbO2 + HNO3 = HMnO4 + Pb(NO3)2 + H2O =>
2 MnO + 5 PbO2 + 10 HNO3 = 2 HMnO4 + 5 Pb(NO3)2 + 4 H2O
PbCl2 + Na2CrO4 = PbCrO4 + NaCl =>
PbCl2 + Na2CrO4 = PbCrO4 + 2 NaCl
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NH3 + HgO = Hg + H2O + N2 =>
2 NH3 + 3 HgO = 3 Hg + 3 H2O + N2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
K + O2 = KO2 =>
K + O2 = KO2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
Cl2 + NAI = I + NACl =>
Cl2 + 2 NAI = 2 I + 2 NACl
CAO + H2O = CA(OH)2 =>
CAO + H2O = CA(OH)2
V2O5 + Ca = V + CaO =>
V2O5 + 5 Ca = 2 V + 5 CaO
NA + H2O = NAOH + H2 =>
2 NA + 2 H2O = 2 NAOH + H2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Ta + Cl2 = TaCl5 =>
2 Ta + 5 Cl2 = 2 TaCl5
PI3 + H2O2 = I2 + H3PO4 + H2O =>
2 PI3 + 5 H2O2 = 3 I2 + 2 H3PO4 + 2 H2O
CH3OH + KMnO4 + H2SO4 = HCOOH + MnSO4 + K2SO4 + H2O =>
5 CH3OH + 4 KMnO4 + 6 H2SO4 = 5 HCOOH + 4 MnSO4 + 2 K2SO4 + 11 H2O
SO2 + H2S = S + H2O =>
SO2 + 2 H2S = 3 S + 2 H2O
N2H4 + O2 = N2 + H2O =>
N2H4 + O2 = N2 + 2 H2O
C4H8O2 + O2 = CO2 + H20 =>
5 C4H8O2 + 15 O2 = 20 CO2 + 2 H20
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
S + O2 = SO =>
2 S + O2 = 2 SO
CaOH + NH4NO3 = CaNO3 + H2O + NH3 =>
CaOH + NH4NO3 = CaNO3 + H2O + NH3
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
(NH2)2CO + HCl + H2O = NH4Cl + CO2 =>
(NH2)2CO + 2 HCl + H2O = 2 NH4Cl + CO2
Pb(No3)2 + KI = KNo3 + PbI2 =>
Pb(No3)2 + 2 KI = 2 KNo3 + PbI2
WO3 + H2 = W + H2O =>
WO3 + 3 H2 = W + 3 H2O
FeSO4 + HNO3 + H2SO4 = Fe2(SO4)3 + NO + H2O =>
6 FeSO4 + 2 HNO3 + 3 H2SO4 = 3 Fe2(SO4)3 + 2 NO + 4 H2O
Ca(OH)2 + NH4NO3 = CaNO3 + H2O + NH3 =>
8 Ca(OH)2 + 7 NH4NO3 = 8 CaNO3 + 13 H2O + 6 NH3
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