Équations équilibrées la veille |
H2S(aq) + FeCl2(aq) = 2 HCl(aq) + FeS(s)
Pb(CN4) + Cd3N2 = PbN2 + Cd3(CN4) =>
Pb(CN4) + Cd3N2 = PbN2 + Cd3(CN4)
Pb(OH)2 + OH = [Pb(OH)4]2 =>
2 Pb(OH)2 + 4 OH = [Pb(OH)4]2
Zn{2+} + Br{-} = ZnBr2 =>
Zn{2+} + 2 Br{-} = ZnBr2
(NH4)2CO3 + H{+} = NH4{+} + CO2 + H2O =>
(NH4)2CO3 + 2 H{+} = 2 NH4{+} + CO2 + H2O
CH3COO{-} + H3O{+} = CH3COOH + H2O =>
CH3COO{-} + H3O{+} = CH3COOH + H2O
MnBr2 = Mn + Br2 =>
MnBr2 = Mn + Br2
(C6H12O6) + (C3H3N) = (C6H12N) + (C3H3O6) =>
(C6H12O6) + (C3H3N) = (C6H12N) + (C3H3O6)
CH3NH2COOH + O2 = CO2 + H2O + N2 =>
2 CH3NH2COOH + 5 O2 = 4 CO2 + 6 H2O + N2
CaCO2Na2CO3 = CaCO3Na2CO2 =>
CaCO2Na2CO3 = CaCO3Na2CO2
As2S5 + HNO3 + H2O = H2SO4 + H3AsO3 + NO =>
As2S5 + 12 HNO3 + 2 H2O = 5 H2SO4 + 2 H3AsO3 + 12 NO
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
CO(g) + CuO(s) = CO2(g) + Cu(s) =>
CO(g) + CuO(s) = CO2(g) + Cu(s)
CaO + S = CaS + SO2 =>
2 CaO + 3 S = 2 CaS + SO2
Ca(CH3COO)2 + K2S = CaS + KCH3COO =>
Ca(CH3COO)2 + K2S = CaS + 2 KCH3COO
Cl2() + CaBr2() = Br2 + CaCl2 =>
Cl2() + CaBr2() = Br2 + CaCl2
Fe + (OH)3 + HCe = FeCe + H2O =>
3 Fe + (OH)3 + 3 HCe = 3 FeCe + 3 H2O
CuBr2 + NaOH = Cu(OH)2 + BrNa =>
CuBr2 + 2 NaOH = Cu(OH)2 + 2 BrNa
HNO3 + NH4(OH) = NO3NH4 + H2O =>
HNO3 + NH4(OH) = NO3NH4 + H2O
K2S + Pb(NO3)2 = K2Pb + S(NO3)2 =>
K2S + Pb(NO3)2 = K2Pb + S(NO3)2
HCl + Mg = H2 + MgCl2 =>
2 HCl + Mg = H2 + MgCl2
K2N = K + N2 =>
2 K2N = 4 K + N2
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
CH3CHO + Cu(OH)2 = CH3COOH + Cu2O + H2O =>
CH3CHO + 2 Cu(OH)2 = CH3COOH + Cu2O + 2 H2O
Na2S2O3 + Cl2 + H2SO4 = S + Na2SO4 + HCl =>
4 Na2S2O3 + Cl2 + H2SO4 = 5 S + 4 Na2SO4 + 2 HCl
AlBr3 + Cu = Al + CuBr =>
AlBr3 + 3 Cu = Al + 3 CuBr
SiH4 + H2O = SiO2 + H2 =>
SiH4 + 2 H2O = SiO2 + 4 H2
NaCl + H2SO4 = NaHSO4 + HCl =>
NaCl + H2SO4 = NaHSO4 + HCl
C8H8 + KClO3 = CO2 + H2O + KCl =>
3 C8H8 + 20 KClO3 = 24 CO2 + 12 H2O + 20 KCl
CaSiO3 + H2O = SiO2 + Ca(OH)2 =>
CaSiO3 + H2O = SiO2 + Ca(OH)2
C9H7O4 + HCl = C9H8O4 + Cl =>
C9H7O4 + HCl = C9H8O4 + Cl
Cs2O + Na = Na2O + Cs =>
Cs2O + 2 Na = Na2O + 2 Cs
CuO + H2CO3 = CuCO3 + H2O =>
CuO + H2CO3 = CuCO3 + H2O
NaBr + NaBrO3 + H2SO4 = Br2 + Na2SO4 + H2O =>
5 NaBr + NaBrO3 + 3 H2SO4 = 3 Br2 + 3 Na2SO4 + 3 H2O
Fe(MnO4)3 + Be(HCO3)2 = Be(MnO4)2 + Fe(HCO3)3 =>
2 Fe(MnO4)3 + 3 Be(HCO3)2 = 3 Be(MnO4)2 + 2 Fe(HCO3)3
H3PO4 + OH{-} = PO4{-3} + H2O =>
H3PO4 + 3 OH{-} = PO4{-3} + 3 H2O
Li2CO3 + H2O = Li2O + H2CO3 =>
Li2CO3 + H2O = Li2O + H2CO3
KNO2 + HCl = HNO2 + KCl =>
KNO2 + HCl = HNO2 + KCl
Cd(s) + HCl(aq) = H2(g) + CdCl2(aq) =>
Cd(s) + 2 HCl(aq) = H2(g) + CdCl2(aq)
Al2O3 + NaOH + H2O = NaAl(OH)4 =>
Al2O3 + 2 NaOH + 3 H2O = 2 NaAl(OH)4
K(NO3) + Ca(SO4) = K2(SO4) + Ca(NO3)2 =>
2 K(NO3) + Ca(SO4) = K2(SO4) + Ca(NO3)2
Co(NO3)2 + (NH4)2CO3 = CoCO3 + (NH4)2(NO3)2 =>
Co(NO3)2 + (NH4)2CO3 = CoCO3 + (NH4)2(NO3)2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
K2S + HCl = K(Cl) + H2S =>
K2S + 2 HCl = 2 K(Cl) + H2S
NaI + Pb(NO3)2 = PbI2 + Na2(NO3)2 =>
2 NaI + Pb(NO3)2 = PbI2 + Na2(NO3)2
KCl = K + Cl2 =>
2 KCl = 2 K + Cl2
Au2S3 + H2 = Au + H2S =>
Au2S3 + 3 H2 = 2 Au + 3 H2S
Cr(s) + O2(s) = Cr2O3(s) =>
4 Cr(s) + 3 O2(s) = 2 Cr2O3(s)
NaBr + NaBrO + H2SO4 = Br2 + Na2SO4 + H2O =>
NaBr + NaBrO + H2SO4 = Br2 + Na2SO4 + H2O
Al2(SO4)3 + KI + KIO3 + H2O = Al(OH)3 + K2SO4 + I2 =>
Al2(SO4)3 + 5 KI + KIO3 + 3 H2O = 2 Al(OH)3 + 3 K2SO4 + 3 I2
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