Équations équilibrées la veille |
4 NaAlH2 + 10 H2O = 4 NaOH + 2 Al2(OH)3 + 9 H2
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
HClO4 + Mg(OH)2(s) = H2O + Mg(ClO4)2 =>
2 HClO4 + Mg(OH)2(s) = 2 H2O + Mg(ClO4)2
LiCIO4 = O2 + LiCI =>
LiCIO4 = 2 O2 + LiCI
H3BO + HClO4 = HBO + HCl + H2O =>
4 H3BO + HClO4 = 4 HBO + HCl + 4 H2O
LiS(aq) + HCl(l) = LiCl2(aq) + H2S(g) =>
LiS(aq) + 2 HCl(l) = LiCl2(aq) + H2S(g)
CH3COOH + Cl2CHCOOK = CH3COOK + Cl2CHCOOH =>
CH3COOH + Cl2CHCOOK = CH3COOK + Cl2CHCOOH
C19H14O2 + O2 = CO2 + H2O =>
2 C19H14O2 + 43 O2 = 38 CO2 + 14 H2O
Na2S2O3 + KI3 = Na2S4O6 + KI + NaI =>
2 Na2S2O3 + KI3 = Na2S4O6 + KI + 2 NaI
C3H6 + O2(oxygen) = CO + H2O =>
C3H6 + 3 O2(oxygen) = 3 CO + 3 H2O
K(MnO4) + BiI3 + H2SO4 = Mn(SO4) + K2(SO4) + Bi2(SO4)3 + I2 + H2O =>
6 K(MnO4) + 10 BiI3 + 24 H2SO4 = 6 Mn(SO4) + 3 K2(SO4) + 5 Bi2(SO4)3 + 15 I2 + 24 H2O
(NH4)C2H3O2 + KSO4 = NH4(SO4) + KC2H3O2 =>
(NH4)C2H3O2 + KSO4 = NH4(SO4) + KC2H3O2
Mg + Sn(PO4)4 = Mg(PO4)2 + Sn =>
2 Mg + Sn(PO4)4 = 2 Mg(PO4)2 + Sn
H2CO3 + FeSO4 = FeCO3 + H2SO4 =>
H2CO3 + FeSO4 = FeCO3 + H2SO4
K2S + NaOH = Na2S + KOH =>
K2S + 2 NaOH = Na2S + 2 KOH
Al + NaClO = Al(ClO)3 + Na =>
Al + 3 NaClO = Al(ClO)3 + 3 Na
Pb(NO3) + HCl = PbCl2 + H2(NO3) =>
Pb(NO3) + 2 HCl = PbCl2 + H2(NO3)
NaOH(aq) + Cu(NO3)(aq) = Na(NO3)(aq) + CuOH(aq) =>
NaOH(aq) + Cu(NO3)(aq) = Na(NO3)(aq) + CuOH(aq)
C5H12 + Br2 = C5H10Br2 + H2 =>
C5H12 + Br2 = C5H10Br2 + H2
Al2(SO3)3 = SO2 + Al2O3 =>
Al2(SO3)3 = 3 SO2 + Al2O3
PO2 = PO + O2 =>
2 PO2 = 2 PO + O2
A + CuO = A2O3 + Cu =>
2 A + 3 CuO = A2O3 + 3 Cu
NaCl + Ni2(SO4)2 = Na2(SO4) + NiCl2 =>
4 NaCl + Ni2(SO4)2 = 2 Na2(SO4) + 2 NiCl2
KHCO3 + MgCl2 = KCl2 + MgHCO3 =>
KHCO3 + MgCl2 = KCl2 + MgHCO3
SnO2 + CHCl3 + KI = SnCl2 + KCl + I2 + H2O + CO2 =>
5 SnO2 + 4 CHCl3 + 2 KI = 5 SnCl2 + 2 KCl + I2 + 2 H2O + 4 CO2
NaC2H3O2 + ZnSO4 = NaSO4 + ZnC2H3O2 =>
NaC2H3O2 + ZnSO4 = NaSO4 + ZnC2H3O2
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
N2O5H2O = HNO3 =>
N2O5H2O = 2 HNO3
KMnO4 + H2SO4 + C2H4O2 = MnSO4 + K2SO4 + CO2 + H2O =>
8 KMnO4 + 12 H2SO4 + 5 C2H4O2 = 8 MnSO4 + 4 K2SO4 + 10 CO2 + 22 H2O
BaCO3 + Mg(OH)2 = Ba(OH)2 + MgCO3 =>
BaCO3 + Mg(OH)2 = Ba(OH)2 + MgCO3
ZnOH + (HPO4)3 = ZnPO4H2O =>
3 ZnOH + (HPO4)3 = 3 ZnPO4H2O
Pb(NO3)4 + K = Pb + KNO3 =>
Pb(NO3)4 + 4 K = Pb + 4 KNO3
MgCl + H2 = MgH2 + Cl2 =>
2 MgCl + 2 H2 = 2 MgH2 + Cl2
CuSO4 + KOH = Cu(OH)2 + K2(SO4) =>
CuSO4 + 2 KOH = Cu(OH)2 + K2(SO4)
LiS(aq) + HCl(l) = LiCl2(aq) + H2S(g) =>
LiS(aq) + 2 HCl(l) = LiCl2(aq) + H2S(g)
K2Cr2O7 + NH3 = Cr2O7{2-} + KNH3{+} =>
K2Cr2O7 + 2 NH3 = Cr2O7{2-} + 2 KNH3{+}
Al2O3 + C + Cl2 = AlCl3 + CO32 =>
32 Al2O3 + 3 C + 96 Cl2 = 64 AlCl3 + 3 CO32
SnO + Na(OH) = Na2SnO2 + H2O =>
SnO + 2 Na(OH) = Na2SnO2 + H2O
Cr(OH)3 + NaOH + NaOCl = Na2CrO4 + NaCl + H2O =>
2 Cr(OH)3 + 4 NaOH + 3 NaOCl = 2 Na2CrO4 + 3 NaCl + 5 H2O
Al(s) + CuS(s) = AlCu(s) + S(s) =>
Al(s) + CuS(s) = AlCu(s) + S(s)
H2SO4(l) + CaCO3(s) = CaSO4(l) + H2O + CO2 =>
H2SO4(l) + CaCO3(s) = CaSO4(l) + H2O + CO2
PbNa + Ca = CaNa3 + Pb =>
3 PbNa + Ca = CaNa3 + 3 Pb
H + He = H2He3 =>
2 H + 3 He = H2He3
CaCO3 + Cl2 = CaOCl2 + CO2 =>
CaCO3 + Cl2 = CaOCl2 + CO2
CH3OOH + NaOH = CH3OONa + H2O =>
CH3OOH + NaOH = CH3OONa + H2O
Ni3S2(s) + HCl(aq) = Ni + H2 + SCl =>
Ni3S2(s) + 2 HCl(aq) = 3 Ni + H2 + 2 SCl
NaClO + FeCl2 + H2SO4 = Cl2 + FeSO4 + NaCl + H2O =>
NaClO + FeCl2 + H2SO4 = Cl2 + FeSO4 + NaCl + H2O
Ca + Cl = ClCa =>
Ca + Cl = ClCa
NaCl(aq) + Ca(NO3)2(aq) = NaNO3 + CaCl2 =>
2 NaCl(aq) + Ca(NO3)2(aq) = 2 NaNO3 + CaCl2
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