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2 A + 3 Cn(SO4) = A2(SO4)3 + 3 Cn
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
CaBr2 + Na2CO3 = CaCO3 + NaBr =>
CaBr2 + Na2CO3 = CaCO3 + 2 NaBr
K2CrO7 + H2SO4 = K2SO4 + Cr2(SO3)4 + H2O + O2 =>
2 K2CrO7 + 6 H2SO4 = 2 K2SO4 + Cr2(SO3)4 + 6 H2O + 6 O2
CrO2 = CrO + O2 =>
2 CrO2 = 2 CrO + O2
NaOH + FeCl3 = H3FeO3 + NaCl =>
3 NaOH + FeCl3 = H3FeO3 + 3 NaCl
Fe{+}3 + NO2{-} + H2O = Fe2{+} + H{+} + NO3{-} =>
4 Fe{+}3 + NO2{-} + H2O = 2 Fe2{+} + 2 H{+} + NO3{-}
C5H10 + Br = C5H9Br + HBr =>
C5H10 + 2 Br = C5H9Br + HBr
CH3CH2OH + Cr2O72{-} + H{+} = CH3CO2H + Cr3{+} + H2O =>
427 CH3CH2OH + 12 Cr2O72{-} + 20 H{+} = 427 CH3CO2H + 8 Cr3{+} + 437 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
CrO + SO3 = Cr(SO4) =>
CrO + SO3 = Cr(SO4)
C3H6N6O6(s) + O2 = CO2(g) + H2O(g) + N2(g) =>
2 C3H6N6O6(s) + 3 O2 = 6 CO2(g) + 6 H2O(g) + 6 N2(g)
FeCl2 + K2S = FeS + KCl =>
FeCl2 + K2S = FeS + 2 KCl
LiI + Cl = LiCl + I2 =>
2 LiI + 2 Cl = 2 LiCl + I2
KMnO4 + NaOH + K2SO3 = H2O + K2SO4 + Na2MnO4 + K2MnO4 =>
2 KMnO4 + 2 NaOH + K2SO3 = H2O + K2SO4 + Na2MnO4 + K2MnO4
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C2H4(g) + O2(g) = CO(g) + H2O(l) =>
C2H4(g) + 2 O2(g) = 2 CO(g) + 2 H2O(l)
NO2{-} + I{-} + H3O{+} = NO + I2 + H2O =>
2 NO2{-} + 2 I{-} + 4 H3O{+} = 2 NO + I2 + 6 H2O
Cl2 + CuO = CuCl2 + O2 =>
2 Cl2 + 2 CuO = 2 CuCl2 + O2
CH3COOC2H5 + HCl = CH3COOH + C2H5Cl =>
CH3COOC2H5 + HCl = CH3COOH + C2H5Cl
Pb(C2H3O2)2 + KI = PbI + K(C2H3O2)2 =>
Pb(C2H3O2)2 + KI = PbI + K(C2H3O2)2
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
CH3COOH + CO(NH2)2 = C2H5NO + CO2 + H2O =>
2 CH3COOH + CO(NH2)2 = 2 C2H5NO + CO2 + H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Mg + H2SO4 = H2 + MgSO4 =>
Mg + H2SO4 = H2 + MgSO4
Fe(NO3)3 + NH4SCN = NH4NO3 + Fe(SCN)3 =>
Fe(NO3)3 + 3 NH4SCN = 3 NH4NO3 + Fe(SCN)3
BaCl2 + HOH = Ba(OH)2 + HCl =>
BaCl2 + 2 HOH = Ba(OH)2 + 2 HCl
Fe3 + N2 = Fe2N3 =>
4 Fe3 + 9 N2 = 6 Fe2N3
(NH4)3AsS4 + HCl = As2S5 + H2S + NH4Cl =>
2(NH4)3AsS4 + 6 HCl = As2S5 + 3 H2S + 6 NH4Cl
ZnS + HCl = ZnCl2 + H2S = =>
ZnS + 2 HCl = ZnCl2 + H2S
V + HNO3 = V2O3 + H2O + NO =>
2 V + 2 HNO3 = V2O3 + H2O + 2 NO
Fe(OH)3 + H2SO4 = Fe2(SO4)3 + H2O =>
2 Fe(OH)3 + 3 H2SO4 = Fe2(SO4)3 + 6 H2O
C2H4O2 + Na(HCO3) = NaC2H3O2 + H2O + CO2 =>
C2H4O2 + Na(HCO3) = NaC2H3O2 + H2O + CO2
SO2 + H2O2 = H2SO4 =>
SO2 + H2O2 = H2SO4
Fe2 + C2 = Fe3C3 =>
3 Fe2 + 3 C2 = 2 Fe3C3
AgCl(aq) + Cu(s) = Ag(s) + CuCl2(aq) =>
2 AgCl(aq) + Cu(s) = 2 Ag(s) + CuCl2(aq)
MgBr2 + Zn(NO3)2 = Mg(NO3)2 + ZnBr2 =>
MgBr2 + Zn(NO3)2 = Mg(NO3)2 + ZnBr2
CaF2*3Ca3(PO4)2 + H2SO4 + H2O = CaSO4*2H2O + H3PO4 + HF =>
CaF2*3Ca3(PO4)2 + 10 H2SO4 + 20 H2O = 10 CaSO4*2H2O + 6 H3PO4 + 2 HF
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
Ca + NaOH = CaNaOH =>
Ca + NaOH = CaNaOH
C5H12 + O2 = C5H12O2 =>
C5H12 + O2 = C5H12O2
SO3 + HNO3 = NO3 + SO2 + H2O =>
SO3 + 2 HNO3 = 2 NO3 + SO2 + H2O
Zn + Na2SO4 = Zn2(SO4)2 + Na =>
2 Zn + 2 Na2SO4 = Zn2(SO4)2 + 4 Na
FeCl + NaOH = FeHO + NaCl =>
FeCl + NaOH = FeHO + NaCl
Co3(PO4)2 + Al(NO3)3 = Co(NO3)2 + AlPO4 =>
Co3(PO4)2 + 2 Al(NO3)3 = 3 Co(NO3)2 + 2 AlPO4
N4H4O4 + CH3OH = H2O + CO2 + NH3 =>
3 N4H4O4 + 8 CH3OH = 4 H2O + 8 CO2 + 12 NH3
FeSO4 + Cl2 = FeClSO4 =>
2 FeSO4 + Cl2 = 2 FeClSO4
Zn + (FeCl3) = ZnCl2 + Fe =>
3 Zn + 2(FeCl3) = 3 ZnCl2 + 2 Fe
NaHC3 + O2 = NaC + H2O + CO2 =>
4 NaHC3 + 9 O2 = 4 NaC + 2 H2O + 8 CO2
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