| Équations équilibrées la veille |
FeCl2 + Na2CO3 = FeCO3 + 2 NaCl
P4O10(s) + H2O(i) = H3PO4(aq) =>
P4O10(s) + 6 H2O(i) = 4 H3PO4(aq)
MgCe2 + Na = NaCe + Mg =>
MgCe2 + 2 Na = 2 NaCe + Mg
NaCNO + Cl2 + NaOH = NaHCO3 + N2 + NaCl + H2O =>
2 NaCNO + 3 Cl2 + 6 NaOH = 2 NaHCO3 + N2 + 6 NaCl + 2 H2O
ClO2 + SO4 = ClO3 + SO2 =>
2 ClO2 + SO4 = 2 ClO3 + SO2
BaSO4 + Al = BaS + Al2O3 =>
3 BaSO4 + 8 Al = 3 BaS + 4 Al2O3
KNO2 + KI + CH3COOH = I2 + NO + CH3COOK + H2O =>
2 KNO2 + 2 KI + 4 CH3COOH = I2 + 2 NO + 4 CH3COOK + 2 H2O
CrI3 + Pb(NO3)2 = Cr(NO3)3 + PbI2 =>
2 CrI3 + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 PbI2
LiOH + H2SO4 = Li2SO4 + H2O =>
2 LiOH + H2SO4 = Li2SO4 + 2 H2O
Cr2O2 = Cr + O2 =>
Cr2O2 = 2 Cr + O2
NiO3 = Ni + O2 =>
2 NiO3 = 2 Ni + 3 O2
C5H12O6(s) + O2(g) = CO2(g) + H2O(g) =>
C5H12O6(s) + 5 O2(g) = 5 CO2(g) + 6 H2O(g)
KOH(aq) + HCIO4(aq) = KCIO4(aq) + H2O(l) =>
KOH(aq) + HCIO4(aq) = KCIO4(aq) + H2O(l)
KMnO4 + Na2S + HNO3 = KNO3 + Mn(NO3)2 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 24 HNO3 = 8 KNO3 + 8 Mn(NO3)2 + 5 Na2SO4 + 12 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
PbO2 + Cr(OH)3 + OH{-} = Pb(OH)3{-} + CrO4{2-} + H2O =>
3 PbO2 + 2 Cr(OH)3 + 7 OH{-} = 3 Pb(OH)3{-} + 2 CrO4{2-} + 2 H2O
MgSO4*7H2O + BaCl2 = MgCl2 + BaSO4*7H2O =>
MgSO4*7H2O + BaCl2 = MgCl2 + BaSO4*7H2O
Cd(s) + S(s) = CdS =>
Cd(s) + S(s) = CdS
C6H5COOH + NaOH = C6H5COONa + H2O =>
C6H5COOH + NaOH = C6H5COONa + H2O
CrI3 + Pb(NO3)2 = Cr(NO3)3 + PbI2 =>
2 CrI3 + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 PbI2
CsI + F2 = CsF + I =>
2 CsI + F2 = 2 CsF + 2 I
Al(NO3)3 + CaCO3 = Ca(NO3)2 + Al2(CO3)3 =>
2 Al(NO3)3 + 3 CaCO3 = 3 Ca(NO3)2 + Al2(CO3)3
Si(CH3)4 + O2 = SiO2 + CO + H2O =>
Si(CH3)4 + 6 O2 = SiO2 + 4 CO + 6 H2O
Pb2(aq) + Cl(aq) = PbCl2(s) =>
Pb2(aq) + 4 Cl(aq) = 2 PbCl2(s)
C7H10O + NaBH4 = C7H12O + NaBH2 =>
C7H10O + NaBH4 = C7H12O + NaBH2
KNCS + NaOCl = NaCl + KOCNS =>
KNCS + NaOCl = NaCl + KOCNS
HCl + Ca(OH)2 = CaCl2 + H2O =>
2 HCl + Ca(OH)2 = CaCl2 + 2 H2O
HCl + IN = HClIN =>
HCl + IN = HClIN
AgNO3 + Na3C6H5O7 = Ag + Na2C5H4O5 + CO2 + NaNO3 + HNO3 =>
2 AgNO3 + Na3C6H5O7 = 2 Ag + Na2C5H4O5 + CO2 + NaNO3 + HNO3
NH4Cl + Ni(NO3)2 = NiCl2 + NH4NO3 =>
2 NH4Cl + Ni(NO3)2 = NiCl2 + 2 NH4NO3
H(NO3) + KOH = H2O + KNO3 =>
H(NO3) + KOH = H2O + KNO3
Na2I + Cl = NaCl + I2 =>
2 Na2I + 4 Cl = 4 NaCl + I2
Al + Fe2O3 = Al2O3 + Fe =>
2 Al + Fe2O3 = Al2O3 + 2 Fe
(NH4ClO4)2 = N2 + Cl2 + O2 + H2O =>
(NH4ClO4)2 = N2 + Cl2 + 2 O2 + 4 H2O
Cr2S3 + Mn(NO3)3 + Na2CO3 = NO + CO2 + Na2CrO4 + Na2MnO4 + Na2SO4 =>
Cr2S3 + 5 Mn(NO3)3 + 10 Na2CO3 = 15 NO + 10 CO2 + 2 Na2CrO4 + 5 Na2MnO4 + 3 Na2SO4
H2CrO4 + Na2S2O5 + H2SO4 = NaHSO4 + Cr2(SO4)3 + H2O =>
4 H2CrO4 + 3 Na2S2O5 + 6 H2SO4 = 6 NaHSO4 + 2 Cr2(SO4)3 + 7 H2O
MgCO3 + C3H7COOH = C3H7COOMg + H2O + CO2 =>
20 MgCO3 + 21 C3H7COOH = 20 C3H7COOMg + 14 H2O + 24 CO2
MgI2 + NaOH = Mg(OH)2 + NaI =>
MgI2 + 2 NaOH = Mg(OH)2 + 2 NaI
PB(CH3COO)2 + KNO3 + H2O = B2O3 + CH3COOH + KOH + NO2 + PO2 =>
2 PB(CH3COO)2 + 10 KNO3 + 7 H2O = B2O3 + 4 CH3COOH + 10 KOH + 10 NO2 + 2 PO2
SiH4 + KMnO4 = MnO2 + K2SiO3 + KOH + H2O =>
3 SiH4 + 8 KMnO4 = 8 MnO2 + 3 K2SiO3 + 2 KOH + 5 H2O
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
KBr + (NH4)2S = K2S + NH4Br =>
2 KBr + (NH4)2S = K2S + 2 NH4Br
C2H3O + H2O = C3H6O2 + CO2 =>
14 C2H3O + 6 H2O = 9 C3H6O2 + CO2
CH3 + Cl = CCl4 + HCl =>
CH3 + 7 Cl = CCl4 + 3 HCl
CuOH + SO3 = Cu2SO4 + H2O =>
2 CuOH + SO3 = Cu2SO4 + H2O
TiCl2 + Al = TiAl3 + AlCl3 =>
3 TiCl2 + 11 Al = 3 TiAl3 + 2 AlCl3
KNO2 + BaSO4 = K2SO4 + Ba(NO2)2 =>
2 KNO2 + BaSO4 = K2SO4 + Ba(NO2)2
CrI3 + Pb(NO3)2 = Cr(NO3)3 + PbI2 =>
2 CrI3 + 3 Pb(NO3)2 = 2 Cr(NO3)3 + 3 PbI2
C6H12O6(l) = C2H6O(l) + CO2(g) =>
C6H12O6(l) = 2 C2H6O(l) + 2 CO2(g)
K2MnO4 + K2S + H2SO4 = MnSO4 + K2SO4 + H2O =>
2 K2MnO4 + K2S + 4 H2SO4 = 2 MnSO4 + 3 K2SO4 + 4 H2O
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