Équations équilibrées la veille |
NMe4I + I2 = NMe4I3
NO4 + Br = NO2 + BrO3 =>
3 NO4 + 2 Br = 3 NO2 + 2 BrO3
H2S + NaOH = Na2S + H2O =>
H2S + 2 NaOH = Na2S + 2 H2O
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
KI + H2SO4 = K2SO4 + I2 + S + H2O =>
6 KI + 4 H2SO4 = 3 K2SO4 + 3 I2 + S + 4 H2O
KI + H2SO4 = K2SO4 + HI =>
2 KI + H2SO4 = K2SO4 + 2 HI
Na2SO4 + HBr = Na2SO3 + Br2 + H2O =>
Na2SO4 + 2 HBr = Na2SO3 + Br2 + H2O
FeO3H3 + H3PO4 = FePO4 + H2O =>
FeO3H3 + H3PO4 = FePO4 + 3 H2O
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
NH + O = N + HO =>
NH + O = N + HO
IO3{-} + Sn + H{+} = I{-} + Sn{+} + H2O =>
IO3{-} + 6 Sn + 6 H{+} = I{-} + 6 Sn{+} + 3 H2O
Cu3N2(aq) + MgBr2(aq) = Mg3N2 + CuBr2 =>
Cu3N2(aq) + 3 MgBr2(aq) = Mg3N2 + 3 CuBr2
Na2SO4 + HBr = Na2SO3 + Br2 + H2O =>
Na2SO4 + 2 HBr = Na2SO3 + Br2 + H2O
Zn + H2SO4 = ZnSO4 + H2S + H2O =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O
Ca + Co2O3 = Co + CaO =>
3 Ca + Co2O3 = 2 Co + 3 CaO
AgNO3 + H2S = Ag2S + HNO3 =>
2 AgNO3 + H2S = Ag2S + 2 HNO3
N2O + CaO = Ca(NO)2 =>
N2O + CaO = Ca(NO)2
MnO2 + FeSO4 + H3PO4 = MnSO4 + FePO4 + H2O + Fe2(SO4)3 =>
3 MnO2 + 6 FeSO4 + 4 H3PO4 = 3 MnSO4 + 4 FePO4 + 6 H2O + Fe2(SO4)3
CuSO4 + NaNO3 = NaSO4 + CuNO3 =>
CuSO4 + NaNO3 = NaSO4 + CuNO3
Ca(NO3)2 + Na3PO4 = NaNO3 + Ca3(PO4)2(s) =>
3 Ca(NO3)2 + 2 Na3PO4 = 6 NaNO3 + Ca3(PO4)2(s)
FeS2 + NO3{-} + O2 = Fe{2+} + SO4{2-} + N2 =>
FeS2 + 2 NO3{-} + O2 = Fe{2+} + 2 SO4{2-} + N2
PbSn + HCl = PbCl + SnCl + H2 =>
PbSn + 2 HCl = PbCl + SnCl + H2
C6H5CH2Br + Br2 = C6H5CHBr2 + HBr =>
C6H5CH2Br + Br2 = C6H5CHBr2 + HBr
CaCO3 + SiO2 = CaSiO3 + CO2 =>
CaCO3 + SiO2 = CaSiO3 + CO2
Ba(Br)2 + K2SO4 = BaSO4 + K2Br2 =>
Ba(Br)2 + K2SO4 = BaSO4 + K2Br2
Ba(NO3)2 + Mg(ClO3)2 = Ba(ClO3)2 + Mg(NO3)2 =>
Ba(NO3)2 + Mg(ClO3)2 = Ba(ClO3)2 + Mg(NO3)2
NIF2 + NH3 = NI3N + NH4F + N2 =>
6 NIF2 + 16 NH3 = 2 NI3N + 12 NH4F + 3 N2
Zn + H2O = ZnO + H2 =>
Zn + H2O = ZnO + H2
Fe(S) + S(l) = Fe2S3(S) =>
2 Fe(S) + 2 S(l) = Fe2S3(S)
NH + O = N + HO =>
NH + O = N + HO
Na2S2O3 + HCl = SO2 + S8(s) + H2O + NaCl =>
8 Na2S2O3 + 16 HCl = 8 SO2 + S8(s) + 8 H2O + 16 NaCl
SnCl2 + K2CrO7 + HCl = CrCl3 + KCl + SnCl4 + H2O =>
9 SnCl2 + 2 K2CrO7 + 28 HCl = 2 CrCl3 + 4 KCl + 9 SnCl4 + 14 H2O
MgClMg = Mg + MgCl2 =>
2 MgClMg = 3 Mg + MgCl2
Rb2S(S) = Rb + S =>
Rb2S(S) = 2 Rb + 2 S
Cu3N2(aq) + MgBr2(aq) = Mg3N2 + CuBr2 =>
Cu3N2(aq) + 3 MgBr2(aq) = Mg3N2 + 3 CuBr2
CaO + HBrO4 = Ca(BrO4)2 + H2O =>
CaO + 2 HBrO4 = Ca(BrO4)2 + H2O
H2O + NO2 + NO = HNO2 =>
H2O + NO2 + NO = 2 HNO2
BaCl + HNO3 = HCl + BaNO3 =>
BaCl + HNO3 = HCl + BaNO3
NH4ClO4 + K = K2O3 + KCl3 + H2O + N2 =>
6 NH4ClO4 + 10 K = 4 K2O3 + 2 KCl3 + 12 H2O + 3 N2
NaCI + NH4HCO3 = NaHCO3 + NH4CI =>
NaCI + NH4HCO3 = NaHCO3 + NH4CI
Fe(NO3)2(aq) + NaOH(aq) = Fe(OH)2(s) + NaNO3 =>
Fe(NO3)2(aq) + 2 NaOH(aq) = Fe(OH)2(s) + 2 NaNO3
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CO2 + Ca(OH)2 = C(OH)2 + CaO2 =>
CO2 + Ca(OH)2 = C(OH)2 + CaO2
H(AuCl4) = Au + Cl2 + HCl =>
2 H(AuCl4) = 2 Au + 3 Cl2 + 2 HCl
COSO4*7H2O = COSO4 + H2O =>
COSO4*7H2O = COSO4 + 7 H2O
Pb(NO3)2(aq) + K2S(aq) = PbS + KNO3(aq) =>
Pb(NO3)2(aq) + K2S(aq) = PbS + 2 KNO3(aq)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2S2O3 + HCl = SO2 + S8(s) + H2O + NaCl =>
8 Na2S2O3 + 16 HCl = 8 SO2 + S8(s) + 8 H2O + 16 NaCl
(MnO4) + H2C2O4 = Mn2 + CO2 + H2O =>
2(MnO4) + 8 H2C2O4 = Mn2 + 16 CO2 + 8 H2O
Fe(OH)3 + HNO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 HNO3 = Fe(NO3)3 + 3 H2O
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