| Équations équilibrées la veille |
H4SIO4 + KOH = KH3SIO4 + H2O
MnO2(s) + HCl(l) = MnCl2(aq) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(l) = MnCl2(aq) + Cl2(g) + 2 H2O(l)
Cu + Au2Cl6 = Au + CuCl =>
6 Cu + Au2Cl6 = 2 Au + 6 CuCl
ZnO(s)C(s) = Zn(s)CO(g) =>
ZnO(s)C(s) = Zn(s)CO(g)
Cr2O3(s) + C(s) = Cr(s) + CO2(g) =>
2 Cr2O3(s) + 3 C(s) = 4 Cr(s) + 3 CO2(g)
B2O3(s) + HF(aq) = BF3(l) + H2O(l) =>
B2O3(s) + 6 HF(aq) = 2 BF3(l) + 3 H2O(l)
C2H7NO + O2 = CO2 + H2O + NO3 =>
4 C2H7NO + 19 O2 = 8 CO2 + 14 H2O + 4 NO3
Na3(PO4) + Ca = Ca3(PO4)2 + Na =>
2 Na3(PO4) + 3 Ca = Ca3(PO4)2 + 6 Na
Ca(C2H3O2)2 + Sn3(PO4)2 = Ca3(PO4)2 + Sn(C2H3O2)2 =>
3 Ca(C2H3O2)2 + Sn3(PO4)2 = Ca3(PO4)2 + 3 Sn(C2H3O2)2
Cr2(SO4)3 + PbO2 + KOH = K2CrO4 + PbSO4 + H2O =>
Cr2(SO4)3 + 3 PbO2 + 4 KOH = 2 K2CrO4 + 3 PbSO4 + 2 H2O
C2H6O + K2Cr2O7 + HCl = C2H4O2 + CrCl3 + H2O + KCl =>
3 C2H6O + 2 K2Cr2O7 + 16 HCl = 3 C2H4O2 + 4 CrCl3 + 11 H2O + 4 KCl
Pb(CH3CO2)2 + Na2S = PbS + NaCH3CO2 =>
Pb(CH3CO2)2 + Na2S = PbS + 2 NaCH3CO2
SrCl2 + CoCl2 = SrCo + Cl2 =>
SrCl2 + CoCl2 = SrCo + 2 Cl2
CaC2 + Fe2O3 = CaO + CO + Fe =>
CaC2 + Fe2O3 = CaO + 2 CO + 2 Fe
AgNO3(ac) + NaBr(ac) = AgBr(ac) + NaNO3(ac) =>
AgNO3(ac) + NaBr(ac) = AgBr(ac) + NaNO3(ac)
C(s) + HNO3(aq) = CO2(g) + NO2(g) + H2O(l) =>
C(s) + 4 HNO3(aq) = CO2(g) + 4 NO2(g) + 2 H2O(l)
Fe + K3[Fe(CN)6] = Fe[Fe(CN)6] + K =>
Fe + K3[Fe(CN)6] = Fe[Fe(CN)6] + 3 K
C6H15N + HCl = C6H16NCl =>
C6H15N + HCl = C6H16NCl
Mg(NO3)2 + AgF = MgF2 + AgNO3 =>
Mg(NO3)2 + 2 AgF = MgF2 + 2 AgNO3
FeAs + RbAs + EuAs + Fe = RbEuFe4As4 =>
2 FeAs + RbAs + EuAs + 2 Fe = RbEuFe4As4
H2O2(s) = H2O + O2 =>
2 H2O2(s) = 2 H2O + O2
FeCl3(aq) + LiOH(aq) = Fe(OH)3(s) + LiCl(aq) =>
FeCl3(aq) + 3 LiOH(aq) = Fe(OH)3(s) + 3 LiCl(aq)
CH3CH2OH(l) + CuO(s) = CH3CHO(l) + H2O(l) + Cu(s) =>
CH3CH2OH(l) + CuO(s) = CH3CHO(l) + H2O(l) + Cu(s)
Ni(NH3)6{2+} + HC4H7N2O2 = NH3 + NH4{+} + Ni(C4H7N2O2)2 =>
Ni(NH3)6{2+} + 2 HC4H7N2O2 = 4 NH3 + 2 NH4{+} + Ni(C4H7N2O2)2
NaI(aq) + BaS(aq) = BaI2 + Na2S =>
2 NaI(aq) + BaS(aq) = BaI2 + Na2S
Ba(NO3)2 + K2(CO3) = BaCO3 + KNO3 =>
Ba(NO3)2 + K2(CO3) = BaCO3 + 2 KNO3
CH3COOH + CuSO4 = H2SO4 + Cu(CH3COO)2 =>
2 CH3COOH + CuSO4 = H2SO4 + Cu(CH3COO)2
NH4Cl(aq) + Na2SO4(aq) = (NH4)2SO4 + NaCl =>
2 NH4Cl(aq) + Na2SO4(aq) = (NH4)2SO4 + 2 NaCl
BaCl2 + AgNO3 = AgCl + Ba(NO3)2 =>
BaCl2 + 2 AgNO3 = 2 AgCl + Ba(NO3)2
H3P + Cu(OH)2 = Cu3P2 + H2O =>
2 H3P + 3 Cu(OH)2 = Cu3P2 + 6 H2O
PbO2 + Cl{-} + OH{-} + H2O = [Pb(OH)3]{-} + ClO{-} =>
PbO2 + Cl{-} + OH{-} + H2O = [Pb(OH)3]{-} + ClO{-}
CuFeS2 + O2 + SiO2 = Cu + FeSiO3 + SO2 =>
2 CuFeS2 + 5 O2 + 2 SiO2 = 2 Cu + 2 FeSiO3 + 4 SO2
Cu2(OH)2SO4 + NH4OH = Cu(NH3)4SO4 + H2O + Cu(NH3)4(OH)2 =>
Cu2(OH)2SO4 + 8 NH4OH = Cu(NH3)4SO4 + 8 H2O + Cu(NH3)4(OH)2
CaO + Br = BrO + Ca =>
CaO + Br = BrO + Ca
Ca(OH)2 + KH(IO3)2 = Ca(IO3)2 + KOH + H2O =>
Ca(OH)2 + KH(IO3)2 = Ca(IO3)2 + KOH + H2O
Pb(C2H3O2)2(aq) + BaCl2(aq) = Ba(C2H3O2)2(aq) + PbCl2(s) =>
Pb(C2H3O2)2(aq) + BaCl2(aq) = Ba(C2H3O2)2(aq) + PbCl2(s)
Mg3N2 + H2 = Mg + H3N =>
Mg3N2 + 3 H2 = 3 Mg + 2 H3N
C2H6O + Cr2O7{-}2 + H{+} = C2H4O + H2O + Cr3{+} =>
37 C2H6O + 6 Cr2O7{-}2 + 10 H{+} = 37 C2H4O + 42 H2O + 4 Cr3{+}
H2SeO3 + HClO3 = H2SeO4 + Cl2 + H2O =>
5 H2SeO3 + 2 HClO3 = 5 H2SeO4 + Cl2 + H2O
CH2 = C3H6 =>
3 CH2 = C3H6
I2 + HClO4 + H2O = H5IO6 + HCl =>
4 I2 + 7 HClO4 + 20 H2O = 8 H5IO6 + 7 HCl
CaC2 + H2SO4 = CaSO4 + SO2 + CO2 + H2O =>
CaC2 + 6 H2SO4 = CaSO4 + 5 SO2 + 2 CO2 + 6 H2O
Y + Cl2 = YCl2 =>
Y + Cl2 = YCl2
HCNO + HBrO = HBrO3 + HCN =>
2 HCNO + HBrO = HBrO3 + 2 HCN
AlBr3 + H3PO4 = AlPO4 + HBr =>
AlBr3 + H3PO4 = AlPO4 + 3 HBr
Na2(CO3) + Ca(OH)2 = NaOH + CaCO3 =>
Na2(CO3) + Ca(OH)2 = 2 NaOH + CaCO3
Fe(OH)3 + HClO4 = Fe(ClO4)3 + H2O =>
Fe(OH)3 + 3 HClO4 = Fe(ClO4)3 + 3 H2O
Fe2 + O3 + HCl = FeCl2 + H2O =>
3 Fe2 + 2 O3 + 12 HCl = 6 FeCl2 + 6 H2O
H2O2 + I = H2O + IO =>
H2O2 + I = H2O + IO
CuI2 + HNO3 = Cu(NO3)2 + NO + I2 + H2O =>
3 CuI2 + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 3 I2 + 4 H2O
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