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Na2S2O3 + 2 HCl = 2 NaCl + SO2 + S + H2O
B2O3 + Cr(NO3)3 = Cr(BO2)3 + N2O5 =>
3 B2O3 + 2 Cr(NO3)3 = 2 Cr(BO2)3 + 3 N2O5
NH4Cl + CaO = NH3 + CaCl2 + H2O =>
2 NH4Cl + CaO = 2 NH3 + CaCl2 + H2O
Br2 + e = Br{-} =>
Br2 + 2e = 2 Br{-}
MnO4 + Zn + H2O = MnO2 + Zn(OH)2 =>
MnO4 + 2 Zn + 2 H2O = MnO2 + 2 Zn(OH)2
C18H38 + O2 = CO2 + H2O =>
2 C18H38 + 55 O2 = 36 CO2 + 38 H2O
CH3CH2COONa + NaOH = Na2CO3 + C2H6 =>
CH3CH2COONa + NaOH = Na2CO3 + C2H6
Fe + Br = FeBr =>
Fe + Br = FeBr
CH3COOH + P2O5 = CH3COOP + HPO5 =>
CH3COOH + P2O5 = CH3COOP + HPO5
CH2Cl2 + Cl = HCl + CHCl3 =>
CH2Cl2 + 2 Cl = HCl + CHCl3
Br2 + O2 = Br5O9 =>
5 Br2 + 9 O2 = 2 Br5O9
AgBr + GaPO4 = Ag3PO4 + GaBr3 =>
3 AgBr + GaPO4 = Ag3PO4 + GaBr3
NaI + FeCl3 + H2SO4 = I2 + FeSO4 + Na2SO4 + HCl =>
2 NaI + 2 FeCl3 + 3 H2SO4 = I2 + 2 FeSO4 + Na2SO4 + 6 HCl
HCl + FeO = H2O + FeCl2 =>
2 HCl + FeO = H2O + FeCl2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
Nb + HNO3 + HF = NO + H2O + H2(NbF7) =>
3 Nb + 5 HNO3 + 21 HF = 5 NO + 10 H2O + 3 H2(NbF7)
MnSO4 + NaOH + O2 = MnO2 + Na2SO4 + OH =>
MnSO4 + 2 NaOH + O2 = MnO2 + Na2SO4 + 2 OH
NaOH + CH2Cl2 = CHOH + NaCl + H2O =>
2 NaOH + CH2Cl2 = CHOH + 2 NaCl + H2O
K2Cr2O7 + KI + HNO3 = KNO3 + Cr(NO3)3 + I2 + H2O =>
K2Cr2O7 + 6 KI + 14 HNO3 = 8 KNO3 + 2 Cr(NO3)3 + 3 I2 + 7 H2O
CaCO3 + HCl + (NH4)2C2O4 = CaC2O4 + H2O + CO2 + NH4Cl =>
CaCO3 + 2 HCl + (NH4)2C2O4 = CaC2O4 + H2O + CO2 + 2 NH4Cl
гидроксидкальция + углекислыйгаз = карбонаткальция + вода =>
Ca(OH)2 + CO2 = CaCO3 + H2O
HNO3 + Fe2S3 = Fe(NO3)3 + H2S =>
6 HNO3 + Fe2S3 = 2 Fe(NO3)3 + 3 H2S
CuSO4 + Na4[Fe(CN)6] = Cu2[Fe(CN)6] + Na2SO4 =>
2 CuSO4 + Na4[Fe(CN)6] = Cu2[Fe(CN)6] + 2 Na2SO4
PbSO4 + H{+} = Pb{2+} + HSO4{-} =>
PbSO4 + H{+} = Pb{2+} + HSO4{-}
SrSO3 + CH3COOH = C4H6O4Sr + H2O + SO2 =>
SrSO3 + 2 CH3COOH = C4H6O4Sr + H2O + SO2
KMnO4 + PbCl2 = Pb(MnO4)2 + KCl =>
2 KMnO4 + PbCl2 = Pb(MnO4)2 + 2 KCl
HIO3 + IH = I2 + H2O =>
HIO3 + 5 IH = 3 I2 + 3 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
ClCH2COOH + NaOH = CH2OHCOONa + HCl =>
ClCH2COOH + NaOH = CH2OHCOONa + HCl
K2CO3 + H2O = KHCO3 + KOH =>
K2CO3 + H2O = KHCO3 + KOH
Fe(NO3)3 + Na3(PO4) = Fe(PO4) + Na(NO3) =>
Fe(NO3)3 + Na3(PO4) = Fe(PO4) + 3 Na(NO3)
Co + C2H5NO2 = Co(C2H5NO2) =>
Co + C2H5NO2 = Co(C2H5NO2)
Cl2 + NaOH = NaOCl + NaCl + H2O =>
Cl2 + 2 NaOH = NaOCl + NaCl + H2O
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
SO3 + H2O = H2SO4 =>
SO3 + H2O = H2SO4
NH3H2 = H2 + N2H4 =>
2 NH3H2 = 3 H2 + N2H4
BaCl2 + NH3 = Ba(NH3)2 + Cl =>
BaCl2 + 2 NH3 = Ba(NH3)2 + 2 Cl
Na2N = Na + N =>
Na2N = 2 Na + N
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CF4 + H2O = COF2 + HF =>
CF4 + H2O = COF2 + 2 HF
HCl + Ca = CaCl2 + H2 =>
2 HCl + Ca = CaCl2 + H2
Na3PO4 = Na + PO4 =>
Na3PO4 = 3 Na + PO4
Ca(OH)2(s) + H3PO4(l) = Ca3(PO4)2(s) + H2O(l) =>
3 Ca(OH)2(s) + 2 H3PO4(l) = Ca3(PO4)2(s) + 6 H2O(l)
C + SiO2 = SiC + O2 =>
C + SiO2 = SiC + O2
NH4HSO4 + Ba(OH)2 = BaSO4 + NH3 + H2O =>
NH4HSO4 + Ba(OH)2 = BaSO4 + NH3 + 2 H2O
SiO2 + CO2 = Si2CO3 + O2 =>
4 SiO2 + 2 CO2 = 2 Si2CO3 + 3 O2
Na(OH) + H2SO3 = Na2SO3 + H2O =>
2 Na(OH) + H2SO3 = Na2SO3 + 2 H2O
Fe + CuSO2 = Cu + FeSO2 =>
Fe + CuSO2 = Cu + FeSO2
F2 + S = SF2 =>
F2 + S = SF2
CH2CHCH3 + NH3 + O2 = CH3CHCN + H2O =>
4 CH2CHCH3 + 4 NH3 + 5 O2 = 4 CH3CHCN + 10 H2O
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