| Équations équilibrées la veille |
8 PbO2 + 4 KBiO3 = 4 Pb2BiO + 2 K2O + 11 O2
NaCl + AlBr3 = NaBr + AlCl3 =>
3 NaCl + AlBr3 = 3 NaBr + AlCl3
Ca(OH)2 + Li2CO3 = CaCO3 + LiOH =>
Ca(OH)2 + Li2CO3 = CaCO3 + 2 LiOH
Fe + CaSiO3 + C = FeSi + CO + CaO =>
Fe + CaSiO3 + 2 C = FeSi + 2 CO + CaO
HCHOH2 = CH3OH =>
HCHOH2 = CH3OH
SO3 + NaOH = NaHSO4 =>
SO3 + NaOH = NaHSO4
KOHNO2 = KNO2KNO3H2O =>
2 KOHNO2 = KNO2KNO3H2O
KI + Cl2 = KCl + I2 =>
2 KI + Cl2 = 2 KCl + I2
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
AlBr3 + HNO3 = Al(NO3)3 + HBr =>
AlBr3 + 3 HNO3 = Al(NO3)3 + 3 HBr
Ba(CH3COO)2(aq) + Cr2(SO4)3(aq) = BaSO4(s) + Cr(CH3COO)3(aq) =>
3 Ba(CH3COO)2(aq) + Cr2(SO4)3(aq) = 3 BaSO4(s) + 2 Cr(CH3COO)3(aq)
Si + Al = SiAl =>
Si + Al = SiAl
KNO2 + (NH4)2SO4 = NH3NO2 + K2SO4 + H2 =>
2 KNO2 + (NH4)2SO4 = 2 NH3NO2 + K2SO4 + H2
FeI2 + K2S = FeS + KI =>
FeI2 + K2S = FeS + 2 KI
Mg + B + H2O = Mg(OH)2 + B2H6 =>
3 Mg + 2 B + 6 H2O = 3 Mg(OH)2 + B2H6
C10H15NO + O2 = CO2 + H2O + N2 =>
4 C10H15NO + 53 O2 = 40 CO2 + 30 H2O + 2 N2
H{+} + PbO2 + I{-} = Pb{+2]+I2+H2O =>
4 H{+} + PbO2 + 2 I{-} = Pb{+2]+I2+2H2O
NaF(aq) + CaI2(aq) = CaF2 + NaI =>
2 NaF(aq) + CaI2(aq) = CaF2 + 2 NaI
Mn + N + O3 = Mn(NO3)3 =>
Mn + 3 N + 3 O3 = Mn(NO3)3
SO4{3-} + e = S{2-} + O{2-} =>
SO4{3-} + 7e = S{2-} + 4 O{2-}
Li2CO3 + [Co(NH3)4CO3]NO3 = LiCoO2 + CO + NO + H2O + NH3 =>
5 Li2CO3 + 10[Co(NH3)4CO3]NO3 = 10 LiCoO2 + 15 CO + 22 NO + 18 H2O + 28 NH3
Au2S3 + H2 = H2Au3 + S2 =>
6 Au2S3 + 4 H2 = 4 H2Au3 + 9 S2
Ca(OH)2 + CH3CO2H = H2O + Ca(CH3CO2)2 =>
Ca(OH)2 + 2 CH3CO2H = 2 H2O + Ca(CH3CO2)2
ZnClO3 + KOH = ZnOH + KClO3 =>
ZnClO3 + KOH = ZnOH + KClO3
C21H23NO5 + NaCl + H2O = C19H21NO4 + C4H10O + HCl + NaHCO3 =>
3 C21H23NO5 + 2 NaCl + 4 H2O = 3 C19H21NO4 + C4H10O + 2 HCl + 2 NaHCO3
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn(aq) =>
Mg(s) + ZnSO4(aq) = MgSO4(aq) + Zn(aq)
CH3CH(OH)CH3 + Na2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO3 + CH3COCH2CH3 + H2O =>
16 CH3CH(OH)CH3 + 3 Na2Cr2O7 + 12 H2SO4 = 3 Cr2(SO4)3 + 3 Na2SO3 + 12 CH3COCH2CH3 + 28 H2O
PbSO4 + AgNO3 = Pb(NO3)2 + SO4Ag2 =>
PbSO4 + 2 AgNO3 = Pb(NO3)2 + SO4Ag2
P + Ca(OH)2 = POH + Ca =>
2 P + Ca(OH)2 = 2 POH + Ca
CH3COOH + CaCO3 = CO2 + Ca(CH3COO) + H2O =>
9 CH3COOH + 8 CaCO3 = 10 CO2 + 8 Ca(CH3COO) + 6 H2O
(NH4)3PO4 + Na2SO4 = (NH4)3SO4 + Na2PO4 =>
(NH4)3PO4 + Na2SO4 = (NH4)3SO4 + Na2PO4
P2O5 + NaOH = Na3PO4 + H2O =>
P2O5 + 6 NaOH = 2 Na3PO4 + 3 H2O
HPO3 + Na2CO3 = NaPO3 + CO2 + H2O =>
2 HPO3 + Na2CO3 = 2 NaPO3 + CO2 + H2O
KCl + SiBr4 = KBr + SiCl4 =>
4 KCl + SiBr4 = 4 KBr + SiCl4
HF(l) + H3BO3(s) = BF3(s) + H2O(l) =>
3 HF(l) + H3BO3(s) = BF3(s) + 3 H2O(l)
Fe2P + FeS2 = FeS + P4S10 =>
4 Fe2P + 18 FeS2 = 26 FeS + P4S10
Fe2O3 + Al = AlO3 + Fe2 =>
Fe2O3 + Al = AlO3 + Fe2
AgNO3 + NaBr = AgBr + NaNO3 =>
AgNO3 + NaBr = AgBr + NaNO3
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
SiO2 + K2O = K2SiO3 =>
SiO2 + K2O = K2SiO3
NH3 + O2 = NO2 + H2O =>
4 NH3 + 7 O2 = 4 NO2 + 6 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
C3H7COOH + NaOH = NaC3H7COO + H2O =>
C3H7COOH + NaOH = NaC3H7COO + H2O
H2O + NO2 = NH3 + O2 =>
6 H2O + 4 NO2 = 4 NH3 + 7 O2
HNo2 + Ca(OH)2 = Ca(No2)2 + H2O =>
2 HNo2 + Ca(OH)2 = Ca(No2)2 + 2 H2O
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
CaI + H2SO4 = CaSO4 + I2 + H2S + H2O =>
4 CaI + 5 H2SO4 = 4 CaSO4 + 2 I2 + H2S + 4 H2O
Mg + N = Mg3N2 =>
3 Mg + 2 N = Mg3N2
H2S + SO2 = S8 + H2O =>
16 H2S + 8 SO2 = 3 S8 + 16 H2O
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