| Équations équilibrées la veille |
H2 + S = H2S
Li2CO3(aq) + ZnSO4(aq) = Li2SO4(s) + ZnCO3(aq) =>
Li2CO3(aq) + ZnSO4(aq) = Li2SO4(s) + ZnCO3(aq)
Al + KOH + H2O = KAl(OH)4 + H2 =>
2 Al + 2 KOH + 6 H2O = 2 KAl(OH)4 + 3 H2
MgO + SiO2 = Mg2SiO4 =>
2 MgO + SiO2 = Mg2SiO4
CuO = Cu2 + O =>
2 CuO = Cu2 + 2 O
Ag(NH3)2 + Cl2 + KBr = AgBr + NH3 + KCl =>
2 Ag(NH3)2 + Cl2 + 2 KBr = 2 AgBr + 4 NH3 + 2 KCl
CO2 + H2 = CH6 + H2O =>
CO2 + 5 H2 = CH6 + 2 H2O
Bi(OH)3 + Na2SnO2 = Bi + H2O + Na2SnO3 =>
2 Bi(OH)3 + 3 Na2SnO2 = 2 Bi + 3 H2O + 3 Na2SnO3
SnO2 + Al = SnO + Al2O3 =>
3 SnO2 + 2 Al = 3 SnO + Al2O3
Ca{2} + SO4{-2} = CaSO4 =>
Ca{2} + SO4{-2} = CaSO4
Zn(OH)4 + K4[Fe(CN)6] + H = Zn2[Fe(CN)6] + K + H2O =>
2 Zn(OH)4 + K4[Fe(CN)6] + 8 H = Zn2[Fe(CN)6] + 4 K + 8 H2O
HCN + K = KCN + H =>
HCN + K = KCN + H
KHCO3(aq) + HF(aq) = KF(aq) + H2O(l) + CO2(g) =>
KHCO3(aq) + HF(aq) = KF(aq) + H2O(l) + CO2(g)
(NH4)2 + Cr2O7 = Cr2O3 + N2 + H2O =>
(NH4)2 + Cr2O7 = Cr2O3 + N2 + 4 H2O
HBr + C2H2 = C2H3 + Br =>
HBr + C2H2 = C2H3 + Br
CaCl2 + AgNO3 = AgCl + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = 2 AgCl + Ca(NO3)2
Ca3(PO4)2(s) + H3PO4(l) = Ca(H2PO4)2(s) =>
Ca3(PO4)2(s) + 4 H3PO4(l) = 3 Ca(H2PO4)2(s)
K2HPO4 + AgNO3 = Ag3PO4 + KH2PO4 + KNO3 =>
2 K2HPO4 + 3 AgNO3 = Ag3PO4 + KH2PO4 + 3 KNO3
Al + KOH + H2O = K[Al(OH)4] + H2 =>
2 Al + 2 KOH + 6 H2O = 2 K[Al(OH)4] + 3 H2
Mn(OH)4 + H2S = MnS2 + H2O =>
Mn(OH)4 + 2 H2S = MnS2 + 4 H2O
Bi(NO3)3 + H2S = Bi2S + H(NO3)3 =>
2 Bi(NO3)3 + H2S = Bi2S + 2 H(NO3)3
NO2Cl = NO2 + Cl =>
NO2Cl = NO2 + Cl
N2 + O2 = N2O2 =>
N2 + O2 = N2O2
MgI2 + K2CrO4 + H2SO4 = I2 + MgSO4 + K2SO4 + H2O + Cr2(SO4)3 =>
3 MgI2 + 2 K2CrO4 + 8 H2SO4 = 3 I2 + 3 MgSO4 + 2 K2SO4 + 8 H2O + Cr2(SO4)3
CaSiO3 + CH3COOH = Ca(CH3COO)2 + SiO2 + H2O =>
CaSiO3 + 2 CH3COOH = Ca(CH3COO)2 + SiO2 + H2O
Mn(NO3)2 + KOH = MnOH + K(NO3)2 =>
Mn(NO3)2 + KOH = MnOH + K(NO3)2
SnI4 + KI = SnI6{2-} + K{+} =>
SnI4 + 2 KI = SnI6{2-} + 2 K{+}
H2O + HPO4 = H3O + PO4 =>
H2O + HPO4 = H3O + PO4
NO2 + P2O3 + KOH = NO + K2HPO4 + H2O =>
2 NO2 + P2O3 + 4 KOH = 2 NO + 2 K2HPO4 + H2O
KClO3(g) = KCl(s) + O2(g) =>
2 KClO3(g) = 2 KCl(s) + 3 O2(g)
Fe + NiSO4 = FeSO4 + Ni =>
Fe + NiSO4 = FeSO4 + Ni
MnI2 + NaOH = Mn(OH)2 + NaI =>
MnI2 + 2 NaOH = Mn(OH)2 + 2 NaI
Ni(s) + Sn{2+}(aq) = Sn(s) + Ni{2+}(aq) =>
Ni(s) + Sn{2+}(aq) = Sn(s) + Ni{2+}(aq)
Al(NO3)3 + H2S = Al2S3 + HNO3 =>
2 Al(NO3)3 + 3 H2S = Al2S3 + 6 HNO3
Cr2O3 + Al = AlCr2 + O2 =>
2 Cr2O3 + 2 Al = 2 AlCr2 + 3 O2
Ca(OH)2 + NaCl = Ca(Cl)2 + NaOH =>
Ca(OH)2 + 2 NaCl = Ca(Cl)2 + 2 NaOH
Li3PO4 + AgNO3 = LiNO3 + Ag3PO4 =>
Li3PO4 + 3 AgNO3 = 3 LiNO3 + Ag3PO4
Fe2O3 + H2 + SO4 = Fe2(SO4)3 + H2O =>
Fe2O3 + 3 H2 + 3 SO4 = Fe2(SO4)3 + 3 H2O
Fe + NiSO4 = Fe2(SO4)3 + Ni =>
2 Fe + 3 NiSO4 = Fe2(SO4)3 + 3 Ni
CH3COOH + CaO = Ca(CH3COO)2 + H2O =>
2 CH3COOH + CaO = Ca(CH3COO)2 + H2O
KS + HCl = KCl + HS =>
KS + HCl = KCl + HS
C2H5COOH + Ca(OH)2 = CaCOOH + CO2 + H2 =>
C2H5COOH + 2 Ca(OH)2 = 2 CaCOOH + CO2 + 4 H2
NH4HCO3(s) = NH3(s) + H2O(s) + CO2(g) =>
NH4HCO3(s) = NH3(s) + H2O(s) + CO2(g)
SiH4 + O2 = SiO2 + H2O3 =>
SiH4 + 4 O2 = SiO2 + 2 H2O3
KHS2O3 + H2SO4 = SO2 + K2SO4 + H2O =>
2 KHS2O3 + 5 H2SO4 = 8 SO2 + K2SO4 + 6 H2O
Fe2O3 + CaCO3 = Ca(FeO2)2 + CO2 =>
Fe2O3 + CaCO3 = Ca(FeO2)2 + CO2
H2SO4 + C2H4 = CO2 + S2 + H2O =>
2 H2SO4 + C2H4 = 2 CO2 + S2 + 4 H2O
HCN + K = KCN + H =>
HCN + K = KCN + H
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
N2C2H8 + N2O4 = N2 + CO2 + H2O =>
N2C2H8 + 2 N2O4 = 3 N2 + 2 CO2 + 4 H2O
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