| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 NaOH + 2 NaNO3 + C = Na2CO3 + 2 NaNO2 + H2O
Al + NaOH + H2O = Na[Al(OH)4] + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 Na[Al(OH)4] + 3 H2
Mq + O2 = MqO2 =>
Mq + O2 = MqO2
C3H7OH + K2Cr2O7 + HCl = C2H5COOH + CrCl3 + H2O + KCl =>
3 C3H7OH + 2 K2Cr2O7 + 16 HCl = 3 C2H5COOH + 4 CrCl3 + 11 H2O + 4 KCl
Cl2 + CuI2 = ClI + Cu =>
Cl2 + CuI2 = 2 ClI + Cu
S + HCl = H2S + Cl2 =>
S + 2 HCl = H2S + Cl2
Pb + HNO3 = Pb(NO3)2 + NO + H2O =>
3 Pb + 8 HNO3 = 3 Pb(NO3)2 + 2 NO + 4 H2O
Ca2CO4 = CaO + CO2 =>
Ca2CO4 = 2 CaO + CO2
YNO32 + GaPO4 = YPO4 + GaNO32 =>
YNO32 + GaPO4 = YPO4 + GaNO32
Ni(s) + S8(s) = NiS =>
8 Ni(s) + S8(s) = 8 NiS
HCOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
Mq + O2 = MqO2 =>
Mq + O2 = MqO2
Na2CrO4 + NaCl + CO2 + H2O = Cr(OH)3 + NaClO + Na2CO3 =>
2 Na2CrO4 + 3 NaCl + 2 CO2 + 3 H2O = 2 Cr(OH)3 + 3 NaClO + 2 Na2CO3
KI + AgNO3* = AgI + KNO3 =>
KI + AgNO3* = AgI + KNO3
HCOH + KMnO4 = HCOOH + MnO2 + H2O + HCOOK =>
3 HCOH + 2 KMnO4 = HCOOH + 2 MnO2 + H2O + 2 HCOOK
Ba3(PO4)2 + NH4NO2 = Ba(NO2)2 + (NH4)3PO4 =>
Ba3(PO4)2 + 6 NH4NO2 = 3 Ba(NO2)2 + 2(NH4)3PO4
K2SO4 + HNO3 = KNO3 + SO3 + H2O =>
K2SO4 + 2 HNO3 = 2 KNO3 + SO3 + H2O
H2SiO3 + HCl = H3ClSiO3 =>
H2SiO3 + HCl = H3ClSiO3
FeBr3 + Na2CO3 = Fe2(CO3)3 + NaBr =>
2 FeBr3 + 3 Na2CO3 = Fe2(CO3)3 + 6 NaBr
PbSO4 + NaOH = PbOH + NaSO4 =>
PbSO4 + NaOH = PbOH + NaSO4
HBr + Zn(OH)2 = ZnBr2 + H2O =>
2 HBr + Zn(OH)2 = ZnBr2 + 2 H2O
Ca + Fe{3+} = Ca{3+} + Fe =>
Ca + Fe{3+} = Ca{3+} + Fe
BaCl2 + K2CrO4 = Ba2CrO4 + KCl2 =>
2 BaCl2 + K2CrO4 = Ba2CrO4 + 2 KCl2
Na2CO3(aq) + CsC2H3O2(aq) = NaC2H3O2(aq) + Cs2CO3(aq) =>
Na2CO3(aq) + 2 CsC2H3O2(aq) = 2 NaC2H3O2(aq) + Cs2CO3(aq)
ZnOHNO3 + H2SO4 = ZnSO4 + HNO3 + H2O =>
ZnOHNO3 + H2SO4 = ZnSO4 + HNO3 + H2O
HCl + Sc(OH)3 = ScCl3 + H2O =>
3 HCl + Sc(OH)3 = ScCl3 + 3 H2O
Sn(NO3)4 = SnO + NO2 + O2 =>
2 Sn(NO3)4 = 2 SnO + 8 NO2 + 3 O2
Ni(s) + S8(s) = NiS(s) =>
8 Ni(s) + S8(s) = 8 NiS(s)
Ag + ClH = AgH + Cl =>
Ag + ClH = AgH + Cl
H2CO3 + Zn(OH)2 = ZnCO3 + H2O =>
H2CO3 + Zn(OH)2 = ZnCO3 + 2 H2O
MnO2(s) + HCl(aq) = MnCl2(s) + Cl2(g) + H2O(l) =>
MnO2(s) + 4 HCl(aq) = MnCl2(s) + Cl2(g) + 2 H2O(l)
K2[Zn(OH)4] + HCl = Zn(OH)2 + H2O + KCl =>
K2[Zn(OH)4] + 2 HCl = Zn(OH)2 + 2 H2O + 2 KCl
CoBr2 + K2S = CoS + K2Br2 =>
CoBr2 + K2S = CoS + K2Br2
Se6 + O2 = SeO =>
Se6 + 3 O2 = 6 SeO
Pb2{+} + (CrO4)2{-} = PbCrO4 =>
Pb2{+} + (CrO4)2{-} = 2 PbCrO4
Mn2O3 + SI = SIO + Mn =>
Mn2O3 + 3 SI = 3 SIO + 2 Mn
CH3COOC3H7 + O2 = CO2 + H2O =>
2 CH3COOC3H7 + 13 O2 = 10 CO2 + 10 H2O
Fe(NH4)2(SO4)2 + H2C2O4 + K2C2O4 = K4Fe(C2O4)3 + (NH4)2SO4 + H2SO4 =>
Fe(NH4)2(SO4)2 + H2C2O4 + 2 K2C2O4 = K4Fe(C2O4)3 + (NH4)2SO4 + H2SO4
K2CO3 + Ba(NO3)2 = K2(NO3)2 + BaCO3 =>
K2CO3 + Ba(NO3)2 = K2(NO3)2 + BaCO3
[Mn(H2O)6]{2+} + OH{-} = [Mn(OH)2(H2O)4] + H2O =>
[Mn(H2O)6]{2+} + 2 OH{-} = [Mn(OH)2(H2O)4] + 2 H2O
NaNO3 + MgS = Na2S + Mg(NO3)2 =>
2 NaNO3 + MgS = Na2S + Mg(NO3)2
KClO4 + H2SO4 = K2SO4 + O2 + ClO2 + H2O =>
4 KClO4 + 2 H2SO4 = 2 K2SO4 + 3 O2 + 4 ClO2 + 2 H2O
Fe3O4(s) + H2(g) = Fe(s) + H2O(g) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(g)
CrO3 + HCl = CrCl3 + Cl2 + H2O =>
2 CrO3 + 12 HCl = 2 CrCl3 + 3 Cl2 + 6 H2O
Ca(OH)2 + HI = CaI2 + H2O =>
Ca(OH)2 + 2 HI = CaI2 + 2 H2O
Ca + Fe{3+} = Ca{2+} + Fe =>
3 Ca + 2 Fe{3+} = 3 Ca{2+} + 2 Fe
KNO3 + C2H4O = CO2 + H2O + K2CO3 + N2 =>
2 KNO3 + C2H4O = CO2 + 2 H2O + K2CO3 + N2
AuNO3 + CuCl2 = AuCl + Cu(NO3)2 =>
2 AuNO3 + CuCl2 = 2 AuCl + Cu(NO3)2
Na2CO3 + HCl = CO2 + NaCl + H2O =>
Na2CO3 + 2 HCl = CO2 + 2 NaCl + H2O
C2H2 + Cu(NH3)2Cl = C2Cu2 + NH3 + HCl =>
C2H2 + 2 Cu(NH3)2Cl = C2Cu2 + 4 NH3 + 2 HCl
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Équations équilibrées sur10/19/24
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