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2 Na2O = 4 Na + O2
NA + HCl = H2 + NACl =>
2 NA + 2 HCl = H2 + 2 NACl
MnO4{-} + Mn{+2} + H2O = MnO2 + H{+} =>
2 MnO4{-} + 3 Mn{+2} + 2 H2O = 5 MnO2 + 4 H{+}
Br2 + S + H2O = HBr + H2SO4 =>
3 Br2 + S + 4 H2O = 6 HBr + H2SO4
Fe + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe + 6 H2SO4 = Fe2(SO4)3 + 3 SO2 + 6 H2O
Pb + HCl = PbCl2 + H2 =>
Pb + 2 HCl = PbCl2 + H2
CaO + K = K2O + Ca =>
CaO + 2 K = K2O + Ca
H2 + MNO2 = MNO + H2O =>
H2 + MNO2 = MNO + H2O
Ca + H2O = Ca(OH)2 + H2 =>
Ca + 2 H2O = Ca(OH)2 + H2
NH4NO3 + Al + NaOH = NH3 + Na3AlO3 + H2O =>
3 NH4NO3 + 8 Al + 24 NaOH = 6 NH3 + 8 Na3AlO3 + 9 H2O
Li + H2SO3 = H2 + Li(SO3) =>
Li + H2SO3 = H2 + Li(SO3)
Sr + H2O = Sr(OH)2 + H2 =>
Sr + 2 H2O = Sr(OH)2 + H2
OCN + OCl = CO32 + N2 + Cl =>
2 OCN + 62 OCl = 2 CO32 + N2 + 62 Cl
Fe + H2SO4 = H2 + FeSO4 =>
Fe + H2SO4 = H2 + FeSO4
C4H8 + KMnO4 + H2O = C4H8(OH)2 + MnO2 + KOH =>
3 C4H8 + 2 KMnO4 + 4 H2O = 3 C4H8(OH)2 + 2 MnO2 + 2 KOH
Fe2(So4)3 + NaOh = Fe(Oh)3 + Na2So4 =>
Fe2(So4)3 + 6 NaOh = 2 Fe(Oh)3 + 3 Na2So4
C2H6 + H2 = C2H8 =>
C2H6 + H2 = C2H8
Li + H2SO3 = H2 + Li(SO3) =>
Li + H2SO3 = H2 + Li(SO3)
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
C3H7OH + O2 = CO2 + H2O =>
2 C3H7OH + 9 O2 = 6 CO2 + 8 H2O
C14H30 + O2 = CO2 + H2O =>
2 C14H30 + 43 O2 = 28 CO2 + 30 H2O
KMNO4 + NO + H2SO4 = MNSO4 + NO2 + K2SO4 + H2O =>
2 KMNO4 + 5 NO + 3 H2SO4 = 2 MNSO4 + 5 NO2 + K2SO4 + 3 H2O
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + H2O =>
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + 2 H2O
CAC2 + H2O = C2H2 + CA(OH)2 =>
CAC2 + 2 H2O = C2H2 + CA(OH)2
SnSO4 + KBr = SnBr2 + K2SO4 =>
SnSO4 + 2 KBr = SnBr2 + K2SO4
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C2H6 + HCl = C2H5Cl + H2 =>
C2H6 + HCl = C2H5Cl + H2
NaHCO3 + HCl = NaCl + H2O + CO2 =>
NaHCO3 + HCl = NaCl + H2O + CO2
Fe{2+} + Cr2O7{2-} + H{+} = Fe{3+} + Cr{3+} + H2O =>
6 Fe{2+} + Cr2O7{2-} + 14 H{+} = 6 Fe{3+} + 2 Cr{3+} + 7 H2O
Hg(CO3)2 + AgCl = HgCl4 + Ag2CO3 =>
Hg(CO3)2 + 4 AgCl = HgCl4 + 2 Ag2CO3
LiCl = Cl2 + Li =>
2 LiCl = Cl2 + 2 Li
Br2O7 + H2O = H2Br2O8 =>
Br2O7 + H2O = H2Br2O8
I2 + Cl2 + H2O = HIO3 + HCl =>
I2 + 5 Cl2 + 6 H2O = 2 HIO3 + 10 HCl
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
NH4Cl + Ag3PO4 = AgCl + (NH4)3PO4 =>
3 NH4Cl + Ag3PO4 = 3 AgCl + (NH4)3PO4
Cu + Ag(NO3) = Ag + Cu(NO3)2 =>
Cu + 2 Ag(NO3) = 2 Ag + Cu(NO3)2
NaCl + CaS = Na2S + CaCl2 =>
2 NaCl + CaS = Na2S + CaCl2
Al2(So4)3 + NaOh = Al(Oh)3 + Na2So4 =>
Al2(So4)3 + 6 NaOh = 2 Al(Oh)3 + 3 Na2So4
Zn(No3)2 + Na3Po4 = Zn3(Po4)2 + NaNo3 =>
3 Zn(No3)2 + 2 Na3Po4 = Zn3(Po4)2 + 6 NaNo3
Fe(HCO3)3 + CaO = Fe2O3 + Ca(HCO3)2 =>
2 Fe(HCO3)3 + 3 CaO = Fe2O3 + 3 Ca(HCO3)2
Fe2(SO4)3 + KI = FeSO4 + I2 + K2SO4 =>
Fe2(SO4)3 + 2 KI = 2 FeSO4 + I2 + K2SO4
BaCl2 + AgNo3 = Ba(No3)2 + AgCl =>
BaCl2 + 2 AgNo3 = Ba(No3)2 + 2 AgCl
CH3COH + HCN = CH3COHHCN =>
CH3COH + HCN = CH3COHHCN
NaCl + FeO = Na2O + FeCl2 =>
2 NaCl + FeO = Na2O + FeCl2
C2H5NH2 + HNO2 = C2H5OH + N2 + H2O =>
C2H5NH2 + HNO2 = C2H5OH + N2 + H2O
Cr2(SO4)3 + AgNO3 = Cr(NO3)3 + Ag2SO4 =>
Cr2(SO4)3 + 6 AgNO3 = 2 Cr(NO3)3 + 3 Ag2SO4
C6H8O6 + I2 = C6H6O6 + H{+} + I{-} =>
C6H8O6 + I2 = C6H6O6 + 2 H{+} + 2 I{-}
NaBH4(s) + HCl(aq) = NaBCl4 + H2 =>
NaBH4(s) + 4 HCl(aq) = NaBCl4 + 4 H2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
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