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*2Fe + O2 = *2FeO
H2Se + OH{-} = Se{2-} + H2O =>
H2Se + 2 OH{-} = Se{2-} + 2 H2O
CH3CH2CHCHCH2CH3 + KMnO4 + H2SO4 = C2H5COOH + K2SO4 + MnSO4 + H2O =>
5 CH3CH2CHCHCH2CH3 + 8 KMnO4 + 12 H2SO4 = 10 C2H5COOH + 4 K2SO4 + 8 MnSO4 + 12 H2O
C20H12O5 + NaOH = C20H11O5Na + H2O =>
C20H12O5 + NaOH = C20H11O5Na + H2O
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + NH4NO3 =>
(NH4)2SO4 + Ba(NO3)2 = BaSO4 + 2 NH4NO3
H2O + MnO4{-} + S2{-} = MnO2 + S + OH{-} =>
2 H2O + MnO4{-} + 3 S2{-} = MnO2 + 6 S + 4 OH{-}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
CO3{2-} + H2O = HCO3{-} + OH{-} =>
CO3{2-} + H2O = HCO3{-} + OH{-}
CaCl2 + NaH2PO4*2H2O + NaOH = Ca10(PO4)6(OH)2 + NaCl + H2O =>
10 CaCl2 + 6 NaH2PO4*2H2O + 14 NaOH = Ca10(PO4)6(OH)2 + 20 NaCl + 24 H2O
Cu + HCl = CuHCl =>
Cu + HCl = CuHCl
CH3COOH + NaCO3 = Na2CO3 + H2O + CO2 =>
CH3COOH + 8 NaCO3 = 4 Na2CO3 + 2 H2O + 6 CO2
W + HF + HNO3 = WF6 + NO + H2O =>
W + 6 HF + 2 HNO3 = WF6 + 2 NO + 4 H2O
CoCl2 + NaNO2 = Co(NO2)2 + NaCl =>
CoCl2 + 2 NaNO2 = Co(NO2)2 + 2 NaCl
Cr2O7 + Cl{-} + H3O{+} = Cr{+3} + Cl2 + H2O =>
Cr2O7 + 8 Cl{-} + 14 H3O{+} = 2 Cr{+3} + 4 Cl2 + 21 H2O
Zn(NO3)2 + Ba(NO3)2 + NH4H2PO4 = BaZnP2O7 + NH3 + H2O + NO2 =>
7 Zn(NO3)2 + 7 Ba(NO3)2 + 14 NH4H2PO4 = 7 BaZnP2O7 + 10 NH3 + 27 H2O + 32 NO2
K2CO3(aq) + HCl(aq) = KCl(aq) + H2O(l) + CO2(g) =>
K2CO3(aq) + 2 HCl(aq) = 2 KCl(aq) + H2O(l) + CO2(g)
K2SO4Na2CrO4 = K2CrO4 + Na2SO4 =>
K2SO4Na2CrO4 = K2CrO4 + Na2SO4
H{+} + Cr2O7{2-} + CH3OH = Cr{3+} + HCO2H + H2O =>
16 H{+} + 2 Cr2O7{2-} + 3 CH3OH = 4 Cr{3+} + 3 HCO2H + 11 H2O
SO4 + H2S = S + H2O =>
SO4 + 4 H2S = 5 S + 4 H2O
Co(H2O)6Cl2 + (NH4)Cl + H2O2 = Co(NH3)5Cl3 + H2O + HCl =>
2 Co(H2O)6Cl2 + 10(NH4)Cl + H2O2 = 2 Co(NH3)5Cl3 + 14 H2O + 8 HCl
Sr(OH)2 + SO2 = Sr(SO3)2 + H2 =>
Sr(OH)2 + 2 SO2 = Sr(SO3)2 + H2
P + Cl2 = PCl3 =>
2 P + 3 Cl2 = 2 PCl3
B2O3 + Mg2 = B + MgO =>
2 B2O3 + 3 Mg2 = 4 B + 6 MgO
Na + Cl2 = NaCl =>
2 Na + Cl2 = 2 NaCl
C4H2O + O2 = H2O + CO2 =>
C4H2O + 4 O2 = H2O + 4 CO2
FeCl3 + PO4{3-} = FePO4 + Cl{-} =>
FeCl3 + PO4{3-} = FePO4 + 3 Cl{-}
Al + KNO3 + KOH + H2O = K3(Al(OH)6) + NH3 =>
8 Al + 3 KNO3 + 21 KOH + 18 H2O = 8 K3(Al(OH)6) + 3 NH3
H2CO + Cu(OH)2 = H2O + CO2 + Cu2O =>
H2CO + 4 Cu(OH)2 = 5 H2O + CO2 + 2 Cu2O
C + Cl2 = C(Cl2)2 =>
C + 2 Cl2 = C(Cl2)2
Na2[Zn(OH)4] + HCl = NaOH + H2O + ZnCl2 =>
Na2[Zn(OH)4] + 2 HCl = 2 NaOH + 2 H2O + ZnCl2
NH4OH + FeCl3H2O = Fe(OH)3 + NH4Cl + H2O =>
3 NH4OH + FeCl3H2O = Fe(OH)3 + 3 NH4Cl + H2O
CH4O(l) + O2(g) = H2O(g) + CO2(g) =>
2 CH4O(l) + 3 O2(g) = 4 H2O(g) + 2 CO2(g)
NaClO3 + H2SO4 = HClO4 + ClO2 + Na2SO4 + H2O =>
6 NaClO3 + 3 H2SO4 = 2 HClO4 + 4 ClO2 + 3 Na2SO4 + 2 H2O
KO2 + CO2 = K2CO2 + O2 =>
2 KO2 + CO2 = K2CO2 + 2 O2
C2H6 + H2O = CH4 + CO2 =>
4 C2H6 + 2 H2O = 7 CH4 + CO2
H + NFl3 = N + HFl =>
3 H + NFl3 = N + 3 HFl
Ni{2+} + CrO{2-} = NiCrO =>
Ni{2+} + CrO{2-} = NiCrO
Pb(NO)3 + Na2S = PbS + Na + (NO)3 =>
Pb(NO)3 + Na2S = PbS + 2 Na + (NO)3
MnSO4(g) + Na2CO3(g) + O2(g) = CO2(g) + Na2SO4(g) + NaMnO4(g) =>
4 MnSO4(g) + 6 Na2CO3(g) + 5 O2(g) = 6 CO2(g) + 4 Na2SO4(g) + 4 NaMnO4(g)
C14H13NaO3 + CH3COOH = C14H14O3 + Na2CO3 + H2O =>
4 C14H13NaO3 + 8 CH3COOH = 5 C14H14O3 + 2 Na2CO3 + 7 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CaCl + KOH = Ca(OH)2 + K2Cl =>
CaCl + 2 KOH = Ca(OH)2 + K2Cl
CaAl2Si2O8 + Ca2Al2SiO7 + CaSiO3 = Ca3Al2(SiO4)3 =>
CaAl2Si2O8 + Ca2Al2SiO7 + 3 CaSiO3 = 2 Ca3Al2(SiO4)3
Co2H6O + O2 = Co2 + H2O =>
Co2H6O + O2 = Co2 + 3 H2O
Pb(NO3)2 + NaI = PbI2 + Na2(NO3)2 =>
Pb(NO3)2 + 2 NaI = PbI2 + Na2(NO3)2
MnO4{-} + S2{-} + H2O = MnO2 + S + OH{-} =>
MnO4{-} + 3 S2{-} + 2 H2O = MnO2 + 6 S + 4 OH{-}
CH3CH2OH + CuO = CH3CHOH2O + Cu =>
CH3CH2OH + CuO = CH3CHOH2O + Cu
Na2SO4(aq) + CH3COOH(aq) = CH3COONa(aq) + H2SO4(aq) =>
Na2SO4(aq) + 2 CH3COOH(aq) = 2 CH3COONa(aq) + H2SO4(aq)
CH3COOH + CH3CH2CH2OH = CH3COO(CH2)2CH3 + H2O =>
CH3COOH + CH3CH2CH2OH = CH3COO(CH2)2CH3 + H2O
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