| Équations équilibrées la veille |
3 NaAlH4 = Na3AlH6 + 2 Al + 3 H2
C2N2 + H2O = H2C2O4 + NH3 =>
C2N2 + 4 H2O = H2C2O4 + 2 NH3
H2CuBr4 + H2O = HBr + [Cu(H2O)4]Br2 =>
H2CuBr4 + 4 H2O = 2 HBr + [Cu(H2O)4]Br2
C4H8 + O2 = H2O + CO2 =>
C4H8 + 6 O2 = 4 H2O + 4 CO2
H2 + CaC2N2 + NaAlF4 + FeSO4 + MgSiO3 + KI + H3PO4 + PbCrO4 + BrCl + CF2Cl2 + SO2 = PbBr2 + CrCl3 + MgCO3 + KAlO4H4 + FeS3C3N3 + PI3 + Na2SiO3 + CaF2 + H3O =>
255 H2 + 30 CaC2N2 + 12 NaAlF4 + 20 FeSO4 + 6 MgSiO3 + 12 KI + 4 H3PO4 + 12 PbCrO4 + 24 BrCl + 6 CF2Cl2 + 40 SO2 = 12 PbBr2 + 12 CrCl3 + 6 MgCO3 + 12 KAlO4H4 + 20 FeS3C3N3 + 4 PI3 + 6 Na2SiO3 + 30 CaF2 + 158 H3O
Ba(NO3)2 + N = Ba(N3)2 + NO =>
Ba(NO3)2 + 10 N = Ba(N3)2 + 6 NO
KClO3 + C12H22O11 = K + CO + H2O + Cl =>
4 KClO3 + C12H22O11 = 4 K + 12 CO + 11 H2O + 4 Cl
K3Fe(CN)6 + Ba(NO3)2 = K(NO3)2 + Ba3Fe(CN)6 =>
K3Fe(CN)6 + 3 Ba(NO3)2 = 3 K(NO3)2 + Ba3Fe(CN)6
CrO3 + HNO3 = Cr(NO3)3 + H2O2 =>
2 CrO3 + 6 HNO3 = 2 Cr(NO3)3 + 3 H2O2
CrO4{-}2 + H2O + Cu{+} = Cr(OH)3 + OH{-} + Cu{2+} =>
CrO4{-}2 + 4 H2O + 4 Cu{+} = Cr(OH)3 + 5 OH{-} + 4 Cu{2+}
Na + FeCl3 = Fe + NaCl =>
3 Na + FeCl3 = Fe + 3 NaCl
C17H35COOH + KOH = C17H35COOK + H2O =>
C17H35COOH + KOH = C17H35COOK + H2O
Y + N2 = YN2 =>
Y + N2 = YN2
K2CO3 + HBr = CO2 + KBr + H2O =>
K2CO3 + 2 HBr = CO2 + 2 KBr + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CaCO3 + HCl = CO2 + CaCl2 + H2O =>
CaCO3 + 2 HCl = CO2 + CaCl2 + H2O
PbS + NaCl = Na2S + PbCl2 =>
PbS + 2 NaCl = Na2S + PbCl2
MnO4{-} + OH{-} + Mn{3+} = MnO2 + H2O =>
MnO4{-} + 8 OH{-} + 3 Mn{3+} = 4 MnO2 + 4 H2O
K2Cr2O7(aq) + HCl(aq) = KCl(aq) + CrCl3(aq) + H2O(l) + Cl(g) =>
K2Cr2O7(aq) + 14 HCl(aq) = 2 KCl(aq) + 2 CrCl3(aq) + 7 H2O(l) + 6 Cl(g)
NaOH + HClO3 = NaHClO3 + OH =>
NaOH + HClO3 = NaHClO3 + OH
Fe{3+} + NH4SCN + KF = Fe(SCN)3 + NH4F + K{+} =>
Fe{3+} + 3 NH4SCN + 3 KF = Fe(SCN)3 + 3 NH4F + 3 K{+}
Mn(s) + HCl(aq) = MnCl(aq) + H2(g) =>
2 Mn(s) + 2 HCl(aq) = 2 MnCl(aq) + H2(g)
Ga2(SO4)3 + BaCl2 = GaCl3 + BaSO4 =>
Ga2(SO4)3 + 3 BaCl2 = 2 GaCl3 + 3 BaSO4
NH4 + F = NH3 + HF =>
NH4 + F = NH3 + HF
Na2SO4(aq) = Na + SO4 =>
Na2SO4(aq) = 2 Na + SO4
KF + Br2 = KFBr =>
2 KF + Br2 = 2 KFBr
OH = O2 + HOH =>
4 OH = O2 + 2 HOH
AlCl3 + NaAl(OH)4 = Al(OH)3 + NaCl =>
AlCl3 + 3 NaAl(OH)4 = 4 Al(OH)3 + 3 NaCl
C4H10S(l) + O2(g) = CO2 + H2O + SO2 =>
2 C4H10S(l) + 15 O2(g) = 8 CO2 + 10 H2O + 2 SO2
Cr(NO3) + Na(CrO4) = Cr(CrO4) + NaNO3 =>
Cr(NO3) + Na(CrO4) = Cr(CrO4) + NaNO3
Cu(NH3)2 + H2SO4 = Cu(NH3)2SO4 + H2 =>
Cu(NH3)2 + H2SO4 = Cu(NH3)2SO4 + H2
RbI = Rb + I2 =>
2 RbI = 2 Rb + I2
Rh(OH)3 + H1As = RhAs3 + H2O =>
Rh(OH)3 + 3 H1As = RhAs3 + 3 H2O
Fe2O3 + HBr = FeBr3 + H2O =>
Fe2O3 + 6 HBr = 2 FeBr3 + 3 H2O
AgClNH4 = AgNH4Cl =>
AgClNH4 = AgNH4Cl
Pb(NO3)2(aq) + Cs2CO3(aq) = Pb2CO3 + Cs(NO3)2 =>
2 Pb(NO3)2(aq) + Cs2CO3(aq) = Pb2CO3 + 2 Cs(NO3)2
Al2(SO4)3 + Na2SO3 + H2O = Al(OH)3 + H2SO3 + Na2SO4 =>
Al2(SO4)3 + 3 Na2SO3 + 6 H2O = 2 Al(OH)3 + 3 H2SO3 + 3 Na2SO4
BaCO3 + CaCO3 + H3BO3 + MnCO3 + CeO2 = Ba198Ca97(BO3)200Mn3Ce2 + CO2 + H2O + O2 =>
198 BaCO3 + 97 CaCO3 + 200 H3BO3 + 3 MnCO3 + 2 CeO2 = Ba198Ca97(BO3)200Mn3Ce2 + 298 CO2 + 300 H2O + O2
H2SO3 + MnO4 = SO4 + Mn + H2 =>
4 H2SO3 + MnO4 = 4 SO4 + Mn + 4 H2
NaCI + H2O = HCI + Na2O =>
2 NaCI + H2O = 2 HCI + Na2O
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
FeS2 + KMnO4 + H2O = Fe2(SO4)3 + MnSO4 + K2SO4 + H2 =>
6 FeS2 + 2 KMnO4 + 40 H2O = 3 Fe2(SO4)3 + 2 MnSO4 + K2SO4 + 40 H2
MgS(s) = Mg(s)S(s) =>
MgS(s) = Mg(s)S(s)
Cu(CH3COO)2 + K2S = CuS + KCH3COO =>
Cu(CH3COO)2 + K2S = CuS + 2 KCH3COO
Cu2O + H2SO4 = CuSO4 + SO2 + H2O =>
Cu2O + 3 H2SO4 = 2 CuSO4 + SO2 + 3 H2O
Ba(NO3)2 + K2(SO4) = BaSO4 + K(NO3) =>
Ba(NO3)2 + K2(SO4) = BaSO4 + 2 K(NO3)
CrO7 + HCl + BaCl2 = Ba(Cr2O4) + H2O + Cl =>
2 CrO7 + 20 HCl + BaCl2 = Ba(Cr2O4) + 10 H2O + 22 Cl
Pb3(PO4)4 + Zn = Pb + Zn3(PO4)2 =>
Pb3(PO4)4 + 6 Zn = 3 Pb + 2 Zn3(PO4)2
Cr + MnO2(s) = Mn + CrO4 =>
Cr + 2 MnO2(s) = 2 Mn + CrO4
H2CO3(aq) + NH3(aq) = (NH4)2CO3(aq) =>
H2CO3(aq) + 2 NH3(aq) = (NH4)2CO3(aq)
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