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4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Sb(OH)5 + H2SO4 = Sb2(SO4)5 + H2O =>
2 Sb(OH)5 + 5 H2SO4 = Sb2(SO4)5 + 10 H2O
NaCl + FeSO4 = NaSO4 + FeCl =>
NaCl + FeSO4 = NaSO4 + FeCl
HCHO + CuSO4 + NaOH = HCOOH + Cu + Na2SO4 + H2O =>
HCHO + CuSO4 + 2 NaOH = HCOOH + Cu + Na2SO4 + H2O
Cr + Pb*NO3 = Cr*NO3 + Pb =>
Cr + Pb*NO3 = Cr*NO3 + Pb
Ca(IO3)2 + NaI + H2SO4 + H2O = I2 + CaSO4 + NaOH =>
Ca(IO3)2 + 10 NaI + H2SO4 + 4 H2O = 6 I2 + CaSO4 + 10 NaOH
CH3COClCH3COONa = CH3COOCOCH3NaCl =>
CH3COClCH3COONa = CH3COOCOCH3NaCl
NH3 + (NO3) = N2O + H2O =>
10 NH3 + 8(NO3) = 9 N2O + 15 H2O
Zn + H2SO4 = ZnSO4 + SO2 + H2O =>
Zn + 2 H2SO4 = ZnSO4 + SO2 + 2 H2O
P2O5 + H2O = HP + O2 =>
P2O5 + H2O = 2 HP + 3 O2
NaF + Br2 = NaBr2 + F2 =>
2 NaF + 2 Br2 = 2 NaBr2 + F2
K2Cr2O7 = CrO3 + K2CrO4 =>
K2Cr2O7 = CrO3 + K2CrO4
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
S + Hg2(NO3)2 = Hg + NO2 + SO4 =>
S + 2 Hg2(NO3)2 = 4 Hg + 4 NO2 + SO4
C2H2OH + H2 = C2H4 + H2O =>
2 C2H2OH + 3 H2 = 2 C2H4 + 2 H2O
Fe + H2SO4 + Zn = FeSO3 + H2 + ZnO =>
Fe + H2SO4 + Zn = FeSO3 + H2 + ZnO
Ca(HCO3)2 = CO2 + CaCO3 + H2O =>
Ca(HCO3)2 = CO2 + CaCO3 + H2O
NH4SCN + HgN2O6 = HgS2C2N2 + NH4NO3 =>
2 NH4SCN + HgN2O6 = HgS2C2N2 + 2 NH4NO3
Si + NaOH + H2O = NaSiO3 + H2 =>
2 Si + 2 NaOH + 4 H2O = 2 NaSiO3 + 5 H2
Al(s) + HCl(g) = Al(s)Cl(l)H(g) =>
Al(s) + HCl(g) = Al(s)Cl(l)H(g)
AuCl3 + CH3OH + NaOH = HCOONa + Au + NaCl + H2O =>
4 AuCl3 + 3 CH3OH + 15 NaOH = 3 HCOONa + 4 Au + 12 NaCl + 12 H2O
Ca(Cl)2 + Cr(NO3)3 = Ca(NO3)2 + Cr(Cl)3 =>
3 Ca(Cl)2 + 2 Cr(NO3)3 = 3 Ca(NO3)2 + 2 Cr(Cl)3
HNO3 + CaO = Ca + (NO3)2 + H2O =>
2 HNO3 + CaO = Ca + (NO3)2 + H2O
SI + HNO3 = SIO2 + NO2 + H2O =>
SI + 4 HNO3 = SIO2 + 4 NO2 + 2 H2O
Cu(OH)2 + HClO4 = Cu(ClO4)2 + H2O =>
Cu(OH)2 + 2 HClO4 = Cu(ClO4)2 + 2 H2O
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
NO2 + K2O + O2 = KNO3 =>
4 NO2 + 2 K2O + O2 = 4 KNO3
HCl + NaOH = H2O + NaCl =>
HCl + NaOH = H2O + NaCl
C20H18 + Cl2 = C20H14Cl4 + H2 =>
C20H18 + 2 Cl2 = C20H14Cl4 + 2 H2
Al3 + HBr = AlBr3 + H2 =>
2 Al3 + 18 HBr = 6 AlBr3 + 9 H2
Mg(HSO3)2 = SO2 + H2O + MgSO3 =>
Mg(HSO3)2 = SO2 + H2O + MgSO3
Cr2O7{2-} + NO2{-} + H{+} = Cr{3+} + NO3{-} + H2O =>
Cr2O7{2-} + 3 NO2{-} + 8 H{+} = 2 Cr{3+} + 3 NO3{-} + 4 H2O
NH3 + H2O + Al = NH4O + AlOH3 =>
NH3 + 2 H2O + Al = NH4O + AlOH3
HNO2 + CaCO3 = H2CO3 + Ca(NO2)2 =>
2 HNO2 + CaCO3 = H2CO3 + Ca(NO2)2
MnO4{-} + Cl{-} + H{+} = Mn{2+} + ClO{-} + H2O =>
2 MnO4{-} + 5 Cl{-} + 6 H{+} = 2 Mn{2+} + 5 ClO{-} + 3 H2O
SI + HNO3 = SIO2 + NO2 + H2O =>
SI + 4 HNO3 = SIO2 + 4 NO2 + 2 H2O
HClO4 + KOH = KClO4 + H2O =>
HClO4 + KOH = KClO4 + H2O
Cd + S = CdS =>
Cd + S = CdS
Hg + S = (Hg2S) =>
2 Hg + S = (Hg2S)
KNO2 + CrSO4 + KOH = N2 + K2CrO4 + K2SO4 + H2O =>
4 KNO2 + 3 CrSO4 + 8 KOH = 2 N2 + 3 K2CrO4 + 3 K2SO4 + 4 H2O
HCe + NaOH = H2O + NaCe =>
HCe + NaOH = H2O + NaCe
C2H6O + O2 = CO2 + H2O =>
C2H6O + 3 O2 = 2 CO2 + 3 H2O
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
Pb + SiO3 = PbSiO3 =>
Pb + SiO3 = PbSiO3
RbCI = Rb + CI =>
RbCI = Rb + CI
I2 + Na2SO3 + H2O = Na2SO4 + HI =>
I2 + Na2SO3 + H2O = Na2SO4 + 2 HI
AgNO3 + H2O = Ag2O + HNO3 =>
2 AgNO3 + H2O = Ag2O + 2 HNO3
MnO4{-} + Cl{-} + H{+} = Mn{2+} + ClO{-} + H2O =>
2 MnO4{-} + 5 Cl{-} + 6 H{+} = 2 Mn{2+} + 5 ClO{-} + 3 H2O
Fe(OH)2(t) = Fe2O2 + H2O =>
2 Fe(OH)2(t) = Fe2O2 + 2 H2O
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