| Équations équilibrées la veille | Équations équilibrées le lendemain |
CrO3 + 6 HBr = CrBr2 + 3 H2O + 4 Br
CuO + H2O = Cu(OH)2 =>
CuO + H2O = Cu(OH)2
C + Fe2O3 = Fe + CO =>
3 C + Fe2O3 = 2 Fe + 3 CO
H2 + MnO2 = Mn0 + H2O =>
2 H2 + MnO2 = Mn0 + 2 H2O
H3PO4 + Ca(OH)2 = Ca3(PO4)2 + H2O =>
2 H3PO4 + 3 Ca(OH)2 = Ca3(PO4)2 + 6 H2O
NaI + MnO2 + H2SO4 = MnSO4 + NaHSO4 + H2O + I2 =>
2 NaI + MnO2 + 3 H2SO4 = MnSO4 + 2 NaHSO4 + 2 H2O + I2
Al(s) + H2SO4(aq) = Al2(SO4)3(aq) + H2(g) =>
2 Al(s) + 3 H2SO4(aq) = Al2(SO4)3(aq) + 3 H2(g)
H2 + MnO2 = MnO + H2O =>
H2 + MnO2 = MnO + H2O
S8 + O2 = SO2 =>
S8 + 8 O2 = 8 SO2
Xxx + Yyy = Xxx999Yyy999 =>
999 Xxx + 999 Yyy = Xxx999Yyy999
KMnO4 + H2SO4 + KI = K2SO4 + I2 + MnSO4 + H2O =>
2 KMnO4 + 8 H2SO4 + 10 KI = 6 K2SO4 + 5 I2 + 2 MnSO4 + 8 H2O
KBr + H2SO4 = K2SO4 + Br2 + SO2 + H2O =>
2 KBr + 2 H2SO4 = K2SO4 + Br2 + SO2 + 2 H2O
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Fe + HCl = FeCl3 + H2 =>
2 Fe + 6 HCl = 2 FeCl3 + 3 H2
HI + NaOH = NaI + H2O =>
HI + NaOH = NaI + H2O
Al(s) + KOH(aq) + H2O = KAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 6 H2O = 2 KAl(OH)4(aq) + 3 H2(g)
K + H3PO4 = K3PO4 + H2 =>
6 K + 2 H3PO4 = 2 K3PO4 + 3 H2
HCl(aq) + O2(g) = H2O(l) + Cl2(g) =>
4 HCl(aq) + O2(g) = 2 H2O(l) + 2 Cl2(g)
C + H2 = CH4 =>
C + 2 H2 = CH4
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
As2O3 + Zn + HCl = AsH3 + ZnCl2 + H2O =>
As2O3 + 6 Zn + 12 HCl = 2 AsH3 + 6 ZnCl2 + 3 H2O
Na2CO3 + C + N2 = NaCN + CO =>
Na2CO3 + 4 C + N2 = 2 NaCN + 3 CO
P4 + F2 = PF3 =>
P4 + 6 F2 = 4 PF3
NaL + MnO2 + H2SO4 = MnSO4 + NaHSO4 + H2O + L2 =>
2 NaL + MnO2 + 3 H2SO4 = MnSO4 + 2 NaHSO4 + 2 H2O + L2
K2CO3 + BaCl2 = BaCO3 + KCl =>
K2CO3 + BaCl2 = BaCO3 + 2 KCl
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Cd(C2H3O2)2 + HBr = CdBr2 + HC2H3O2 =>
Cd(C2H3O2)2 + 2 HBr = CdBr2 + 2 HC2H3O2
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
Be(OH)2 + HCl = BeCl2 + H2O =>
Be(OH)2 + 2 HCl = BeCl2 + 2 H2O
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
BaO + O2 = BaO2 =>
2 BaO + O2 = 2 BaO2
Pb(NO3)2 + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2 + 2 NaCl = PbCl2 + 2 NaNO3
CH3Cl = C2H6 + Cl =>
2 CH3Cl = C2H6 + 2 Cl
H2(g) + O2(g) = H2O(l) =>
2 H2(g) + O2(g) = 2 H2O(l)
CO + Fe2O3 = Fe3O4 + CO2 =>
CO + 3 Fe2O3 = 2 Fe3O4 + CO2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Al(s) + KOH(aq) + H2O = KAl(OH)4(aq) + H2(g) =>
2 Al(s) + 2 KOH(aq) + 6 H2O = 2 KAl(OH)4(aq) + 3 H2(g)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
CO + Fe2O3 = Fe3O4 + CO2 =>
CO + 3 Fe2O3 = 2 Fe3O4 + CO2
FeCl3 + (NH4)3PO4 = FePO4 + NH4Cl =>
FeCl3 + (NH4)3PO4 = FePO4 + 3 NH4Cl
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
AgNO3(aq) + MgCl2(aq) = AgCl(s) + Mg(NO3)2(aq) =>
2 AgNO3(aq) + MgCl2(aq) = 2 AgCl(s) + Mg(NO3)2(aq)
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
SiF4 + H2O = HF + SiO2 =>
SiF4 + 2 H2O = 4 HF + SiO2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
As + H2SO4 = SO2 + H3AsO3 =>
2 As + 3 H2SO4 = 3 SO2 + 2 H3AsO3
CrI3 + Cl2 + NaOH = Na2CrO4 + NaIO4 + NaCl + H2O =>
2 CrI3 + 27 Cl2 + 64 NaOH = 2 Na2CrO4 + 6 NaIO4 + 54 NaCl + 32 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur09/12/18
Équations équilibrées sur10/12/17
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