| Équations équilibrées la veille |
NH3 + CO = NHCO + H2
NaNO2 + NaClO + H2SO4 = HCl + NaNO3 + Na2SO4 =>
2 NaNO2 + 2 NaClO + H2SO4 = 2 HCl + 2 NaNO3 + Na2SO4
FeCl3 + (NaOH) = Fe(OH)3 + NaCl =>
FeCl3 + 3(NaOH) = Fe(OH)3 + 3 NaCl
Pb{2+} + Na2S = PbS + Na{+} =>
Pb{2+} + Na2S = PbS + 2 Na{+}
M2CO3 + H2SO4 = CO2 + M2SO4 + H2O =>
M2CO3 + H2SO4 = CO2 + M2SO4 + H2O
P4 + F2 = PF5 =>
P4 + 10 F2 = 4 PF5
X + KMnO4 + H2SO4 = XO + K2SO4 + MnSO4 + H2O =>
5 X + 2 KMnO4 + 3 H2SO4 = 5 XO + K2SO4 + 2 MnSO4 + 3 H2O
Br + MnO4{-} + H2O = BrO3{-} + MnO2 + OH{-} =>
3 Br + 5 MnO4{-} + H2O = 3 BrO3{-} + 5 MnO2 + 2 OH{-}
C7H15COOH + H2O = CH3COO + H3O =>
C7H15COOH + 22 H2O = 4 CH3COO + 16 H3O
Na3PO4 + ZnI2 = Na3I2 + ZnPO4 =>
Na3PO4 + ZnI2 = Na3I2 + ZnPO4
Ca{3+} + CO3{3-} = CaCO3 =>
Ca{3+} + CO3{3-} = CaCO3
RaO + O2 = RaO2 =>
2 RaO + O2 = 2 RaO2
HOOCCH2CH2CH2COOH + Ca(OH)2 = CH3CH2CH2Ca + H2O + CO2 =>
21 HOOCCH2CH2CH2COOH + 20 Ca(OH)2 = 20 CH3CH2CH2Ca + 34 H2O + 45 CO2
NaNO2 + NaClO + H2SO4 = HCl + NaNO3 + Na2SO4 =>
2 NaNO2 + 2 NaClO + H2SO4 = 2 HCl + 2 NaNO3 + Na2SO4
Al + HCl + CuSO4 = Al2(SO4)3 + CuCl2 + H2 =>
2 Al + 6 HCl + 3 CuSO4 = Al2(SO4)3 + 3 CuCl2 + 3 H2
Fe + Co = FeCo =>
Fe + Co = FeCo
Al3 + Pb2NO3 = Al2NO3 + Pb =>
2 Al3 + 3 Pb2NO3 = 3 Al2NO3 + 6 Pb
AgNO3(aq) + CH3COOH(aq) = AgCH3COO(s) + HNO3(aq) =>
AgNO3(aq) + CH3COOH(aq) = AgCH3COO(s) + HNO3(aq)
K2S + Cr(NO3)3 + H2O = Cr(OH)3 + H2S + KNO3 =>
3 K2S + 2 Cr(NO3)3 + 6 H2O = 2 Cr(OH)3 + 3 H2S + 6 KNO3
ZnS + HBr = Zn + Br + H2S =>
ZnS + 2 HBr = Zn + 2 Br + H2S
Ca3N2 + AgNO3 = Ca(NO3)2 + Ag + N =>
Ca3N2 + 6 AgNO3 = 3 Ca(NO3)2 + 6 Ag + 2 N
N2O3 + NaOH = NaNO2 + H2O =>
N2O3 + 2 NaOH = 2 NaNO2 + H2O
KHCO3 + HNO3 = KNO3 + HCO3H =>
KHCO3 + HNO3 = KNO3 + HCO3H
I2 + NaBr = Br2 + NaI =>
I2 + 2 NaBr = Br2 + 2 NaI
Cu + H3PO4 = Cu2(PO4)2 + H2 =>
2 Cu + 2 H3PO4 = Cu2(PO4)2 + 3 H2
(NH4)2SO4 + CaOH2 = CaSO4 + NH4 + H2O =>
(NH4)2SO4 + CaOH2 = CaSO4 + 2 NH4 + H2O
NaNO2 + NaClO + H2SO4 = HCl + NaNO3 + Na2SO4 =>
2 NaNO2 + 2 NaClO + H2SO4 = 2 HCl + 2 NaNO3 + Na2SO4
C6H5CH3OH + K2Cr2O7 + H2SO4 = C6H5COOH + Cr2(SO4)3 + K2SO4 + H2O =>
6 C6H5CH3OH + 5 K2Cr2O7 + 20 H2SO4 = 6 C6H5COOH + 5 Cr2(SO4)3 + 5 K2SO4 + 29 H2O
K2CrO4 + HNO3 = K2Cr2O7 + KNO3 + H2O =>
2 K2CrO4 + 2 HNO3 = K2Cr2O7 + 2 KNO3 + H2O
K2CrO4 + H2SO4 = K2SO4 + K2Cr2O7H2O =>
2 K2CrO4 + H2SO4 = K2SO4 + K2Cr2O7H2O
C2O4{-2} + MnO4{-} + H3O{+} = CO2 + Mn{+2} + H2O =>
5 C2O4{-2} + 2 MnO4{-} + 16 H3O{+} = 10 CO2 + 2 Mn{+2} + 24 H2O
H2S + Pb = PbS2 + H2 =>
2 H2S + Pb = PbS2 + 2 H2
Ca(NO3)2 + Al = Ca + AlNO3 =>
Ca(NO3)2 + 2 Al = Ca + 2 AlNO3
HOOCCH2CH2CH2COOH + Ca(OH)2 = CH3CH2CH2Ca + H2O + CO2 =>
21 HOOCCH2CH2CH2COOH + 20 Ca(OH)2 = 20 CH3CH2CH2Ca + 34 H2O + 45 CO2
H2O + B = B2O3 + H2 =>
3 H2O + 2 B = B2O3 + 3 H2
BaCO3 + Li2CO3 + O2 + Ir = Ba4Ir3LiO12 + CO2 =>
16 BaCO3 + 2 Li2CO3 + 15 O2 + 12 Ir = 4 Ba4Ir3LiO12 + 18 CO2
HBiO3 + NaOH = NaBiO3 + H2O =>
HBiO3 + NaOH = NaBiO3 + H2O
SrO + BeO + Be3N2 = SrBe4N2O2 =>
SrO + BeO + Be3N2 = SrBe4N2O2
NaIO3 + HI = I3 + NaI + H2O =>
NaIO3 + 6 HI = 2 I3 + NaI + 3 H2O
KHCO3 + H2S = CO2 + H2O + K2S =>
2 KHCO3 + H2S = 2 CO2 + 2 H2O + K2S
C + HNO3 = CO2 + NO2 + H29 =>
29 C + 58 HNO3 = 29 CO2 + 58 NO2 + 2 H29
C6H8O6 + MgCO3 = C12H14O12Mg + H2O + CO2 =>
2 C6H8O6 + MgCO3 = C12H14O12Mg + H2O + CO2
Ca + O + P2O5 = Ca3(PO4)2 =>
3 Ca + 3 O + P2O5 = Ca3(PO4)2
Fe2O3 + HNO3 + KOH = K2FeO4 + HNO2 + H2O =>
Fe2O3 + 3 HNO3 + 4 KOH = 2 K2FeO4 + 3 HNO2 + 2 H2O
C6H6 + Cl2 = C6H5Cl + HCl =>
C6H6 + Cl2 = C6H5Cl + HCl
HClO3 + Te = Te(ClO3)2 + H2 =>
2 HClO3 + Te = Te(ClO3)2 + H2
HNO3 + KI + HCI = I2 + N2 + KCI + H2O =>
2 HNO3 + 10 KI + 10 HCI = 5 I2 + N2 + 10 KCI + 6 H2O
FeSO4(s) + Pb(NO3)2(s) = Fe(NO3)2(s) + PbSO4(aq) =>
FeSO4(s) + Pb(NO3)2(s) = Fe(NO3)2(s) + PbSO4(aq)
CH3COOH + Ba(OH)2 = H2O + Ba(CH3CO2)2 =>
2 CH3COOH + Ba(OH)2 = 2 H2O + Ba(CH3CO2)2
Ma + HNO3 = MaNO3 + H2 =>
2 Ma + 2 HNO3 = 2 MaNO3 + H2
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