| Équations équilibrées la veille |
2 Al(NO3)3 + 3 Na2S = Al2S3 + 6 NaNO3
CrO4{-2} + Fe(OH)2 + H2O = CrO2{-} + Fe(OH)3 + OH{-} =>
CrO4{-2} + 3 Fe(OH)2 + 2 H2O = CrO2{-} + 3 Fe(OH)3 + OH{-}
K2CrO7 + FeSO4 + H2SO4 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + K2SO3 =>
2 K2CrO7 + 22 FeSO4 + 16 H2SO4 = Cr2(SO4)3 + 11 Fe2(SO4)3 + 16 H2O + 2 K2SO3
AgCl + Na2S2O3 = NaCl + Na3Ag(S2O3)2 =>
AgCl + 2 Na2S2O3 = NaCl + Na3Ag(S2O3)2
C7H5NO4 + C2H5OH = C9H9NO4 + H2O =>
C7H5NO4 + C2H5OH = C9H9NO4 + H2O
Co + SO3 = CoSO3 =>
Co + SO3 = CoSO3
H3PO4 + Ca(ClO4)2 = Ca(PO4)2 + H3ClO4 =>
2 H3PO4 + Ca(ClO4)2 = Ca(PO4)2 + 2 H3ClO4
FeO + NaCl = FeCl2 + Na2O =>
FeO + 2 NaCl = FeCl2 + Na2O
Cu(NH3)4 + SO4 + H2O = Cu(NH3)4SO4H2O =>
Cu(NH3)4 + SO4 + H2O = Cu(NH3)4SO4H2O
Mg + NH4NO3 = Mg(NO3)2 + H2O + NH3 =>
4 Mg + 9 NH4NO3 = 4 Mg(NO3)2 + 3 H2O + 10 NH3
Zn + KNO3 + H2O = Zn(OH)2 + NH3 + K =>
9 Zn + 2 KNO3 + 12 H2O = 9 Zn(OH)2 + 2 NH3 + 2 K
SiO + Al = Al2O3 + Si =>
3 SiO + 2 Al = Al2O3 + 3 Si
CuSO4(aq) + NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaOH(aq) = Cu(OH)2(s) + Na2SO4(aq)
FeO*Fe2O3 + H2O + O2 = Fe(OH)3 =>
4 FeO*Fe2O3 + 18 H2O + O2 = 12 Fe(OH)3
Mg + NH4NO3 = MgO + N2 + H2 =>
3 Mg + NH4NO3 = 3 MgO + N2 + 2 H2
(NH4)(OH) + Cu(NO3) = (NH4)(NO3) + Cu(OH) =>
(NH4)(OH) + Cu(NO3) = (NH4)(NO3) + Cu(OH)
BaBr2 + (NH4)2SO4 = BaSO4 + NH4Br =>
BaBr2 + (NH4)2SO4 = BaSO4 + 2 NH4Br
NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g) =>
2 NaHCO3(s) = Na2CO3(s) + CO2(g) + H2O(g)
NH4NO3 + Mg = Mg(NO3)2 + NH4 =>
2 NH4NO3 + Mg = Mg(NO3)2 + 2 NH4
H2SO4 + H2S = SO + H2O =>
H2SO4 + H2S = 2 SO + 2 H2O
KH2O = KOHH =>
KH2O = KOHH
SCl2 + NaF = SF4 + S2Cl2 + NaCl =>
3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
C18H32O16 + H2O = C12H22O11 =>
2 C18H32O16 + H2O = 3 C12H22O11
Bk + O2 = BkO2 =>
Bk + O2 = BkO2
Cr2O3 + Cl2 + KOH = K2Cr2O7 + KCl + H2O =>
Cr2O3 + 3 Cl2 + 8 KOH = K2Cr2O7 + 6 KCl + 4 H2O
Sn + HNO3 = SnO2 + NO2 + H2O =>
Sn + 4 HNO3 = SnO2 + 4 NO2 + 2 H2O
NaCl(s) + SO2(g) + H2O(l) + O2(g) = Na2SO4(s) + HCl(l) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(l) + O2(g) = 2 Na2SO4(s) + 4 HCl(l)
C18H32O16 + H2O = C2H6O + CO2 =>
C18H32O16 + 2 H2O = 6 C2H6O + 6 CO2
C7H10O2 + O2 = CO2 + H2O =>
2 C7H10O2 + 17 O2 = 14 CO2 + 10 H2O
SnCl2 + HNO3 + NCl = SnCl4 + N2O + H2O =>
4 SnCl2 + 2 HNO3 + 8 NCl = 4 SnCl4 + 5 N2O + H2O
K2SO3 = K + SO3 =>
K2SO3 = 2 K + SO3
CaCl2 + K2S = K2Cl2 + CaS =>
CaCl2 + K2S = K2Cl2 + CaS
NaCl(s) + SO2(g) + H2O(l) + O2(g) = Na2SO4(aq) + HCl(g) =>
4 NaCl(s) + 2 SO2(g) + 2 H2O(l) + O2(g) = 2 Na2SO4(aq) + 4 HCl(g)
MnO4{-} + H2O2 = OH{-} + MnO2 + O2 =>
2 MnO4{-} + H2O2 = 2 OH{-} + 2 MnO2 + 2 O2
Q = Q2 =>
2 Q = Q2
C18H32O16 + H2O = C2H5OH + CO2 =>
C18H32O16 + 2 H2O = 6 C2H5OH + 6 CO2
C10H18O + O = C10H16O2 + H2O =>
C10H18O + 2 O = C10H16O2 + H2O
Zn(C2H5)2 + HN3 = Zn(N3)2 + C2H6 =>
Zn(C2H5)2 + 2 HN3 = Zn(N3)2 + 2 C2H6
NaCl(s) + SO2(g) + H2O(l) + O2(g) = NaSO4(s) + HCl(g) =>
4 NaCl(s) + 4 SO2(g) + 2 H2O(l) + 3 O2(g) = 4 NaSO4(s) + 4 HCl(g)
I2 + CaBr2 = I2Br2 + Ca =>
I2 + CaBr2 = I2Br2 + Ca
Sb + H2SO4 = H2O + Sb2(SO4)3 + SO2 =>
2 Sb + 6 H2SO4 = 6 H2O + Sb2(SO4)3 + 3 SO2
NaCI + H2O = Na2O + HCI =>
2 NaCI + H2O = Na2O + 2 HCI
Cu(NH3)4 + SO4 + H2O = Cu(NH3)4SO4H2O =>
Cu(NH3)4 + SO4 + H2O = Cu(NH3)4SO4H2O
I2 + CaBr2 = CaI + Br2 =>
I2 + 2 CaBr2 = 2 CaI + 2 Br2
AgCl + HNO3 = HCl + AgNO3 =>
AgCl + HNO3 = HCl + AgNO3
Zn(s) + HClO4(aq) = Zn(ClO4)2(aq) + H2(g) =>
Zn(s) + 2 HClO4(aq) = Zn(ClO4)2(aq) + H2(g)
H3AsO3 + NaClO3 = H3AsO4 + NaCl =>
3 H3AsO3 + NaClO3 = 3 H3AsO4 + NaCl
HClKH2PO4 = KClH2PO4H =>
HClKH2PO4 = KClH2PO4H
Ag + H3PO4 = Ag3PO4 + P2O3 + H2O =>
12 Ag + 10 H3PO4 = 4 Ag3PO4 + 3 P2O3 + 15 H2O
NaCI + H2O = NaOH + H2 + CI =>
2 NaCI + 2 H2O = 2 NaOH + H2 + 2 CI
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