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4 Na + O2 = 2 Na2O
Au(NO3)3 + Na2CO3 = Au2(CO3)3 + NaNO3 =>
2 Au(NO3)3 + 3 Na2CO3 = Au2(CO3)3 + 6 NaNO3
HCl + (NH4)2SO3 = H2O + NH4Cl + SO2 =>
2 HCl + (NH4)2SO3 = H2O + 2 NH4Cl + SO2
Zn + H(NO3) = Zn(NO3)2 + NO2 + H2O =>
Zn + 4 H(NO3) = Zn(NO3)2 + 2 NO2 + 2 H2O
CoCl2 + NH4Cl + NH3 + H2O2 = H2O + [Co(NH3)5Cl]Cl2 =>
2 CoCl2 + 2 NH4Cl + 8 NH3 + H2O2 = 2 H2O + 2[Co(NH3)5Cl]Cl2
CH3(CH2)4OH + CH3CH2CH2COOH = CH3COO[CH2]4CH3 + H2O =>
3 CH3(CH2)4OH + 5 CH3CH2CH2COOH = 5 CH3COO[CH2]4CH3 + 3 H2O
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
Cr2(SO4)3 + BaS + H2O = BaSO4 + Cr(OH)3 + H2S =>
Cr2(SO4)3 + 3 BaS + 6 H2O = 3 BaSO4 + 2 Cr(OH)3 + 3 H2S
C3H7Cl + Cl2 = C3H6Cl2 + HCl =>
C3H7Cl + Cl2 = C3H6Cl2 + HCl
CuSO4 + SrCl2 = CuCl2 + SrSO4 =>
CuSO4 + SrCl2 = CuCl2 + SrSO4
PbS + PbSO4 = Pb + SO2 =>
PbS + PbSO4 = 2 Pb + 2 SO2
HClO4 + Mg = H2 + Mg(ClO4)2 =>
2 HClO4 + Mg = H2 + Mg(ClO4)2
NaOH + Zn = Na + Zn(OH)2 =>
2 NaOH + Zn = 2 Na + Zn(OH)2
Na + Cl2 = (NaCl)2 =>
2 Na + Cl2 = (NaCl)2
CuBr + Br2 + Na2SO4 = CuSO4 + NaBr =>
2 CuBr + Br2 + 2 Na2SO4 = 2 CuSO4 + 4 NaBr
NaI + KMn04 + KOH = I2 + K2Mn04 + NaOH =>
2 NaI + 2 KMn04 + 2 KOH = I2 + 2 K2Mn04 + 2 NaOH
KI(aq) + AgF(s) = AgI(s) + KF(aq) =>
KI(aq) + AgF(s) = AgI(s) + KF(aq)
H2 + MgO = H2O + Mg =>
H2 + MgO = H2O + Mg
CH3CH2CHO + Ag(NH3)2OH + NaOH = CH3CH2COONa + NH3 + H2O + Ag =>
CH3CH2CHO + 2 Ag(NH3)2OH + NaOH = CH3CH2COONa + 4 NH3 + 2 H2O + 2 Ag
Al + NO3{-} + H2O = AlO2{-} + NH3 + H{+} =>
8 Al + 3 NO3{-} + 7 H2O = 8 AlO2{-} + 3 NH3 + 5 H{+}
Fe + OH = (FeOH)2 =>
2 Fe + 2 OH = (FeOH)2
Li2CO3 + NaOH = Li2OH + NaCO3 =>
Li2CO3 + NaOH = Li2OH + NaCO3
CH3CH2CH2CH3 + Cl2 = CH3CH(Cl)CH3 + HCl =>
3 CH3CH2CH2CH3 + 3 Cl2 = 4 CH3CH(Cl)CH3 + 2 HCl
HSO3{-} + OCl{-} = HSO4{-} + Cl{-} =>
HSO3{-} + OCl{-} = HSO4{-} + Cl{-}
CO3 + SO4 = CO3SO4 =>
CO3 + SO4 = CO3SO4
Ca + P2 = CaP =>
2 Ca + P2 = 2 CaP
KOH + NO2 + NO = KNO2 + H2O =>
2 KOH + NO2 + NO = 2 KNO2 + H2O
ZS + O2 = ZO + SO2 =>
2 ZS + 3 O2 = 2 ZO + 2 SO2
CaCO3 + NaCl + H2SO4 = Na2SO4 + CaCl2 + CO2 + H2O =>
CaCO3 + 2 NaCl + H2SO4 = Na2SO4 + CaCl2 + CO2 + H2O
C4H9Br + C12H27N = C16H36BrN =>
C4H9Br + C12H27N = C16H36BrN
AgNO3 + CCl2 = CNO3 + AgCl2 =>
AgNO3 + CCl2 = CNO3 + AgCl2
Na + CaO = NaO2 + Ca =>
Na + 2 CaO = NaO2 + 2 Ca
Co(OH)2 + NH3 + H2O + O2 = [Co(NH3)6](OH)3 =>
4 Co(OH)2 + 24 NH3 + 2 H2O + O2 = 4[Co(NH3)6](OH)3
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(OH)2(aq) + HCl(aq) = CaCl2 + H2O =>
Ca(OH)2(aq) + 2 HCl(aq) = CaCl2 + 2 H2O
O + KMnO4 + H2SO4 = K2SO4 + MnO4 + H2O =>
O + 2 KMnO4 + H2SO4 = K2SO4 + 2 MnO4 + H2O
Sn + NO3{-} + H2O = SnO3{2-} + NO + H{+} =>
3 Sn + 4 NO3{-} + H2O = 3 SnO3{2-} + 4 NO + 2 H{+}
N2 + O2 = N2O5 =>
2 N2 + 5 O2 = 2 N2O5
PbO + HC2H3O2 = Pb(C2H3O2)2 + H2O =>
PbO + 2 HC2H3O2 = Pb(C2H3O2)2 + H2O
ZnCO3 + NaOH = Zn(OH)2 + Na2CO3 =>
ZnCO3 + 2 NaOH = Zn(OH)2 + Na2CO3
HCl + MgOH = MgCl + H2O = =>
HCl + MgOH = MgCl + H2O
LiOH + HF = LiF + H2O =>
LiOH + HF = LiF + H2O
Cu + HNO3() = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3() = Cu(NO3)2 + 2 NO2 + 2 H2O
NH4(NO3) = N2O + H2O =>
NH4(NO3) = N2O + 2 H2O
Zn + CuSO4 = ZnSO4 + Cu =>
Zn + CuSO4 = ZnSO4 + Cu
Na3P + Al(NO3)3 = NaNO3 + AlP =>
Na3P + Al(NO3)3 = 3 NaNO3 + AlP
Fe(OH)3 + KSCN = Fe(SCN) + K + OH =>
Fe(OH)3 + KSCN = Fe(SCN) + K + 3 OH
Mn(OH)3 = Mn(OH)2 + O3 + H2O =>
6 Mn(OH)3 = 6 Mn(OH)2 + O3 + 3 H2O
FeSO4 + H{+} + NO3{-} = Fe{3+} + SO4{2-} + NO2 + H2O =>
FeSO4 + 2 H{+} + NO3{-} = Fe{3+} + SO4{2-} + NO2 + H2O
Na2Cr2O7 + H2SO4 + KNO2 = Cr2(SO4)3 + KNO3 + Na2SO4 + H2O =>
Na2Cr2O7 + 4 H2SO4 + 3 KNO2 = Cr2(SO4)3 + 3 KNO3 + Na2SO4 + 4 H2O
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