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2 Fe + CO2 = C + 2 FeO
Al + H2S = Al2S3 + H2 =>
2 Al + 3 H2S = Al2S3 + 3 H2
Kr2Cr2O7 + C3H7OH + H2SO4 = Kr2(S04)1 + Cr2(SO4)3 + H2O + C3H6O =>
Kr2Cr2O7 + 16 C3H7OH + 7 H2SO4 = Kr2(S04)1 + Cr2(SO4)3 + 23 H2O + 16 C3H6O
Cr + F = CrF2 =>
Cr + 2 F = CrF2
C2H2O4 + K2Cr2O7 + H2O = H2 + K2C2O4 + CrO4 =>
C2H2O4 + K2Cr2O7 + H2O = 2 H2 + K2C2O4 + 2 CrO4
K2Zn3[Fe(CN)6]2 + NaOH = Na2ZnO2 + KOH + Na4[Fe(CN)6] + H2O =>
K2Zn3[Fe(CN)6]2 + 14 NaOH = 3 Na2ZnO2 + 2 KOH + 2 Na4[Fe(CN)6] + 6 H2O
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
FeCl3 + Cl2 + NaOH = Na2FeO4 + NaCl + H2O =>
2 FeCl3 + 3 Cl2 + 16 NaOH = 2 Na2FeO4 + 12 NaCl + 8 H2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe{2+} + N2 + H2O{+} = Fe{3+} + N2H4 + OH{-} =>
8 Fe{2+} + N2 + 4 H2O{+} = 8 Fe{3+} + N2H4 + 4 OH{-}
CH3CH2COOH + Cl2 = CH2ClCH2COOH + HCl =>
CH3CH2COOH + Cl2 = CH2ClCH2COOH + HCl
HCl + H2O = HClO + H2 =>
HCl + H2O = HClO + H2
CaCl2 + NaHS = NaCl + CaS + H2S =>
CaCl2 + 2 NaHS = 2 NaCl + CaS + H2S
C25H30N3Cl + NaOH = C25H30N3OH + NaCl =>
C25H30N3Cl + NaOH = C25H30N3OH + NaCl
CuO + NH3 = N2 + Cu + H2O =>
3 CuO + 2 NH3 = N2 + 3 Cu + 3 H2O
Ni2C2O4*2H2O + O2 = NiO + H2O + CO2 =>
Ni2C2O4*2H2O + O2 = 2 NiO + 2 H2O + 2 CO2
Mg(OH)2 + H2O = MgH2 + OH =>
Mg(OH)2 + 2 H2O = MgH2 + 4 OH
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
Cu(OH)2 + HI = CuI + H2O + I2 =>
2 Cu(OH)2 + 4 HI = 2 CuI + 4 H2O + I2
PbCO3 = PbO + CO2 =>
PbCO3 = PbO + CO2
Fe(s) + Pb(NO3)2 = Fe(NO3)2(aq) + Pb(s) =>
Fe(s) + Pb(NO3)2 = Fe(NO3)2(aq) + Pb(s)
Fe203 + HNO3 = Fe(NO3)3 + NO + H2O =>
Fe203 + 812 HNO3 = 203 Fe(NO3)3 + 203 NO + 406 H2O
Fe(OH) + HNO3 = FeNO3 + H2O =>
Fe(OH) + HNO3 = FeNO3 + H2O
Na2SO3 + H2SO4 = H2SO3 + Na2SO4 =>
Na2SO3 + H2SO4 = H2SO3 + Na2SO4
Zn2 + Cl3 = ZnCl2 =>
3 Zn2 + 4 Cl3 = 6 ZnCl2
Mg(s) + HCl(aq) = MgCl2(aq) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(aq) + H2(g)
Cu(OH)2 + HI = CuI + H2O + I2 =>
2 Cu(OH)2 + 4 HI = 2 CuI + 4 H2O + I2
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
Fe + NaOH + H2O = Na4[Fe(OH)6] + H2 =>
Fe + 4 NaOH + 2 H2O = Na4[Fe(OH)6] + H2
CaAl2Si2O8 + H2CO3 + H2O = Ca(HCO3)2 + Al2Si2O5(OH)4 =>
CaAl2Si2O8 + 2 H2CO3 + H2O = Ca(HCO3)2 + Al2Si2O5(OH)4
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
KI + (NH4)2CrO7 + H2SO4 = Cr2(SO4)3 + I2 + K2SO4 + H2O + (NH4)2SO4 =>
18 KI + 2(NH4)2CrO7 + 14 H2SO4 = Cr2(SO4)3 + 9 I2 + 9 K2SO4 + 14 H2O + 2(NH4)2SO4
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
LiClK[Sb(OH)6] = Li[Sb(OH)6]KCl =>
LiClK[Sb(OH)6] = Li[Sb(OH)6]KCl
Na2SO4 + Sr(NO3)2 = NaNO3 + SrSO4 =>
Na2SO4 + Sr(NO3)2 = 2 NaNO3 + SrSO4
Al + H2PO4 = AlPO4 + H2 =>
Al + H2PO4 = AlPO4 + H2
C17H35COOK + H2O = C17H35COOH + KOH =>
C17H35COOK + H2O = C17H35COOH + KOH
Al + H2PO4 = AlPO4 + H2 =>
Al + H2PO4 = AlPO4 + H2
Cu2O + NH3 + O2 + H2O = [Cu(NH3)4](OH)2 =>
2 Cu2O + 16 NH3 + O2 + 4 H2O = 4[Cu(NH3)4](OH)2
Sr(NO3)2 + Na2CO3 = SrCO3 + NaNO3 =>
Sr(NO3)2 + Na2CO3 = SrCO3 + 2 NaNO3
Ni(OH)2 = NiO + H2O =>
Ni(OH)2 = NiO + H2O
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
K3PO4 + Sr(NO3)2 = Sr3(PO4)2 + KNO3 =>
2 K3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 KNO3
H5P3O10 + NaHCO3 = CO2 + H2O + Na5P3O10 =>
H5P3O10 + 5 NaHCO3 = 5 CO2 + 5 H2O + Na5P3O10
Ca(ClO3)2 + K3(PO4) = K(ClO3) + Ca3(PO4)2 =>
3 Ca(ClO3)2 + 2 K3(PO4) = 6 K(ClO3) + Ca3(PO4)2
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
PbO2 + HCl = PbCl2 + Cl2 + H2O =>
PbO2 + 4 HCl = PbCl2 + Cl2 + 2 H2O
гидроксидкальция + углекислыйгаз = карбонаткальция + вода =>
Ca(OH)2 + CO2 = CaCO3 + H2O
Na3PO4 + Sr(NO3)2 = Sr3(PO4)2 + NaNO3 =>
2 Na3PO4 + 3 Sr(NO3)2 = Sr3(PO4)2 + 6 NaNO3
H2SO4 + Na = H2 + Na2SO4 =>
H2SO4 + 2 Na = H2 + Na2SO4
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