| Équations équilibrées la veille |
(VO2)2SO4 + 2 H2[SnCl4] + 4 HCl = 2 H2[SnCl6] + 2 H2O + (VO)2SO4
H1 + Ca = CaH2 =>
2 H1 + Ca = CaH2
Fe2 + Pb = FePb =>
Fe2 + 2 Pb = 2 FePb
FeSO4 + Al2(Cr2O7)3 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + Al2(SO4)3 + H2O =>
18 FeSO4 + Al2(Cr2O7)3 + 21 H2SO4 = 9 Fe2(SO4)3 + 3 Cr2(SO4)3 + Al2(SO4)3 + 21 H2O
Al2O3Na3 = Na3AlO3Al =>
Al2O3Na3 = Na3AlO3Al
Na2SiO3*9H2O = Na2SiO3 + H2O =>
Na2SiO3*9H2O = Na2SiO3 + 9 H2O
Mg{2+} + CO3{2-} = MgCO3 =>
Mg{2+} + CO3{2-} = MgCO3
Mg + I2 = MgI2 =>
Mg + I2 = MgI2
NH2CH2COOH + H2SO4 = (NH3CH2COO)2SO4 + H2 =>
2 NH2CH2COOH + H2SO4 = (NH3CH2COO)2SO4 + H2
Co(NO3)2NaOH = CoOHNa(NO3)2 =>
Co(NO3)2NaOH = CoOHNa(NO3)2
FeCl3 + Ag2(SO4) = AgCl + Fe2(SO4)3 =>
2 FeCl3 + 3 Ag2(SO4) = 6 AgCl + Fe2(SO4)3
FeCl3(aq) + Na2CO3(aq) = NaCl(aq) + Fe2(CO3)3 =>
2 FeCl3(aq) + 3 Na2CO3(aq) = 6 NaCl(aq) + Fe2(CO3)3
MgCO3KOH = MgOHKCO3 =>
MgCO3KOH = MgOHKCO3
C2H5OH + H2O = CH3COOH + H2 =>
C2H5OH + H2O = CH3COOH + 2 H2
CH3CH2CH2BrKCN = CH3CH2CH2CNKBr =>
CH3CH2CH2BrKCN = CH3CH2CH2CNKBr
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
NO2{-} + H{+} = HNO2 =>
NO2{-} + H{+} = HNO2
Na2CO3 + CuO + MnO2 = Na2CuMnO4 + CO2 =>
Na2CO3 + CuO + MnO2 = Na2CuMnO4 + CO2
CH3COONaH2SO4 = CH3COOSO4NaH2 =>
CH3COONaH2SO4 = CH3COOSO4NaH2
(C6)(H6) + O = (C6)(H6)(O3) =>
(C6)(H6) + 3 O = (C6)(H6)(O3)
AlOCO = AlCO2 =>
AlOCO = AlCO2
Pb2 = Pb =>
Pb2 = 2 Pb
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+} =>
HClO4 + CH3COONa = ClO4{-} + CH3COOH + Na{+}
FeCl3 + H3PO4 = Fe3PO4 + HCl3 =>
3 FeCl3 + H3PO4 = Fe3PO4 + 3 HCl3
C6H5CHO + [Ag(NH3)2]OH = C6H5COOH + Ag + NH3 + H2O =>
C6H5CHO + 2[Ag(NH3)2]OH = C6H5COOH + 2 Ag + 4 NH3 + H2O
NH3HCl = NH2ClH2 =>
NH3HCl = NH2ClH2
K4Fe(CN)6 + H2SO4 + H2O = (NH4)2SO4 + K2SO4 + FeSO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 3(NH4)2SO4 + 2 K2SO4 + FeSO4 + 6 CO
CH3COOH + MgCO3 = Mg(CH3CH2COO)2 + H2 + CO2 =>
9 CH3COOH + 2 MgCO3 = 2 Mg(CH3CH2COO)2 + 8 H2 + 8 CO2
KIMgS = KSMgI =>
KIMgS = KSMgI
Cr + Fe3{+} = Cr3{+} + Fe =>
3 Cr + Fe3{+} = Cr3{+} + 3 Fe
Li2SO4 + Mg(NO3)2 = Mg2(SO4)2 + LiNO3 =>
2 Li2SO4 + 2 Mg(NO3)2 = Mg2(SO4)2 + 4 LiNO3
H2O2 = O2 + H202 =>
101 H2O2 = 101 O2 + H202
CrCl3 + Pb(NO3)2 = PbCl3 + Cr(NO3)2 =>
CrCl3 + Pb(NO3)2 = PbCl3 + Cr(NO3)2
ClO2H + Ni(OH)3 = (ClO2)3Ni + H2O =>
3 ClO2H + Ni(OH)3 = (ClO2)3Ni + 3 H2O
CO2 + S8 = CS2 + SO2 =>
8 CO2 + 3 S8 = 8 CS2 + 8 SO2
Ca(OH)2 + H3BO3 = CaB2O4 + H2O =>
Ca(OH)2 + 2 H3BO3 = CaB2O4 + 4 H2O
C2H4O(l) + O2 = CO2(g) + H2O(l) =>
2 C2H4O(l) + 5 O2 = 4 CO2(g) + 4 H2O(l)
NaClO(ac) + HCl(ac) = NaCl(ac) + H2O(l) + Cl2(ac) =>
NaClO(ac) + 2 HCl(ac) = NaCl(ac) + H2O(l) + Cl2(ac)
Na2S + KMnO4 + H2SO4 = Na2SO4 + K2SO4 + MnSO4 + H2O =>
5 Na2S + 8 KMnO4 + 12 H2SO4 = 5 Na2SO4 + 4 K2SO4 + 8 MnSO4 + 12 H2O
H3CCOOH = H + H3CCOO =>
H3CCOOH = H + H3CCOO
KOH + LiNO3 = KNO3 + LiOH =>
KOH + LiNO3 = KNO3 + LiOH
H2O1SO2 = H2SO3 =>
H2O1SO2 = H2SO3
Cr(OH)3(s) + HNO2(aq) = Cr(NO2)3(aq) + H2O =>
Cr(OH)3(s) + 3 HNO2(aq) = Cr(NO2)3(aq) + 3 H2O
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
AgNO3NaBr = AgBrNaNO3 =>
AgNO3NaBr = AgBrNaNO3
C6H12O6 = H2O + CO2 + C3H8 =>
5 C6H12O6 = 6 H2O + 12 CO2 + 6 C3H8
K2C2O4 + Fe3(PO4)4 = K3PO4 + Fe(C2O4)2 =>
6 K2C2O4 + Fe3(PO4)4 = 4 K3PO4 + 3 Fe(C2O4)2
NaIO3 + NaHSO3 = I + NaHSO4 + Na2SO4 + H2I =>
2 NaIO3 + 6 NaHSO3 = I + 4 NaHSO4 + 2 Na2SO4 + H2I
KOH + HOBr = KOBr + H2O =>
KOH + HOBr = KOBr + H2O
CuS + HNO3 = Cu2(NO3)2 + S + NO + H2O =>
6 CuS + 8 HNO3 = 3 Cu2(NO3)2 + 6 S + 2 NO + 4 H2O
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