| Équations équilibrées la veille |
2 MgOHCl + H2SO4 = MgCl2 + MgSO4 + 2 H2O
Fe + H2Cl2 = H + FeCl =>
2 Fe + H2Cl2 = 2 H + 2 FeCl
MgCl{2} + NaOH = Mg(OH){2} + NaCl =>
MgCl{2} + NaOH = Mg(OH){2} + NaCl
P2O5(s) = O2(g) + P4(s) =>
2 P2O5(s) = 5 O2(g) + P4(s)
NaCl + H3BO3 = Na2B4O7 + HCl + H2O =>
2 NaCl + 4 H3BO3 = Na2B4O7 + 2 HCl + 5 H2O
K2Cr2O7 + H2S + H3PO4 = K3PO4 + CrPO4 + S + H2O =>
3 K2Cr2O7 + 9 H2S + 8 H3PO4 = 2 K3PO4 + 6 CrPO4 + 9 S + 21 H2O
[Cu(OH)]Cl + HCl = H2O + CuCl2 =>
[Cu(OH)]Cl + HCl = H2O + CuCl2
KOH + HNO3 = K(NO3) + H2O =>
KOH + HNO3 = K(NO3) + H2O
C2H5NSCl + O2 = CO2 + H2O + NO2 + SO3 + HCl =>
2 C2H5NSCl + 11 O2 = 4 CO2 + 4 H2O + 2 NO2 + 2 SO3 + 2 HCl
Cu + O{-} = Cu{2+} + O{2-} =>
Cu + 2 O{-} = Cu{2+} + 2 O{2-}
Ag(NO3)2 + NaCl = AgCl + Na(NO3)2 =>
Ag(NO3)2 + NaCl = AgCl + Na(NO3)2
ZnI2 + LiAlH4 = ZnH2 + LiI + AlI3 =>
2 ZnI2 + LiAlH4 = 2 ZnH2 + LiI + AlI3
Ag + H2Si = Ag2Si + H2 =>
2 Ag + H2Si = Ag2Si + H2
AICI3 + Ca3N2 = AIN2 + Ca3CI3 =>
AICI3 + Ca3N2 = AIN2 + Ca3CI3
Ag(NH3)2 + NO2 + CH2O = AgOH + NH3 + CO2 =>
Ag(NH3)2 + 3 NO2 + 5 CH2O = AgOH + 5 NH3 + 5 CO2
H2O2 + CN = CNO + H2O =>
H2O2 + CN = CNO + H2O
HCl + Al(OH)3 = AlCl3 + H2O =>
3 HCl + Al(OH)3 = AlCl3 + 3 H2O
AgCH3CO2 + (NH4)2CO3 = AgCO3 + (NH4)2CH3CO2 =>
AgCH3CO2 + (NH4)2CO3 = AgCO3 + (NH4)2CH3CO2
AlBr3 + K = KBr + Al =>
AlBr3 + 3 K = 3 KBr + Al
CaH2 + H2O = Ca9OH0 + H2 =>
18 CaH2 + 2 H2O = 2 Ca9OH0 + 19 H2
Ca + AlNO3 = Al + Ca(NO3) =>
Ca + AlNO3 = Al + Ca(NO3)
C + Si = CSi =>
C + Si = CSi
FeCl2 + Cl2 = FeCl3 =>
2 FeCl2 + Cl2 = 2 FeCl3
BaCl2(aq) + Al2(SO4)3(aq) = BaSO4(s) + AlCl3(s) =>
3 BaCl2(aq) + Al2(SO4)3(aq) = 3 BaSO4(s) + 2 AlCl3(s)
Ca3(PO4)2(s) + SiO2(s) + C(s) = CaSiO(s) + P4(s) + CO(g) =>
2 Ca3(PO4)2(s) + 6 SiO2(s) + 22 C(s) = 6 CaSiO(s) + P4(s) + 22 CO(g)
SnCl2 + PbO2 + NaOH = PbCl2 + Na2SnO3 + H2O =>
SnCl2 + PbO2 + 2 NaOH = PbCl2 + Na2SnO3 + H2O
I{-} + ClO4{-} = IO3{-} + Cl{-} =>
4 I{-} + 3 ClO4{-} = 4 IO3{-} + 3 Cl{-}
Fe + C + N = Fe(CN)2 =>
Fe + 2 C + 2 N = Fe(CN)2
C4H2O3 + O2 = CO2 + H2O =>
C4H2O3 + 3 O2 = 4 CO2 + H2O
Fe(OH)3 + HCN = Fe2C6N6 + H2O =>
2 Fe(OH)3 + 6 HCN = Fe2C6N6 + 6 H2O
CH4S + O2 = CO2 + H2O + SO3 =>
2 CH4S + 7 O2 = 2 CO2 + 4 H2O + 2 SO3
SnO + NF3 = SnF2 + N2O3 =>
3 SnO + 2 NF3 = 3 SnF2 + N2O3
Fe2O3 + Mg = MgO + Fe =>
Fe2O3 + 3 Mg = 3 MgO + 2 Fe
CuF2 + KCl = CuCl2 + KF =>
CuF2 + 2 KCl = CuCl2 + 2 KF
CH2OHCOOH + Na = CH2ONaCOONa + H2 =>
CH2OHCOOH + 2 Na = CH2ONaCOONa + H2
AgNO3 + PbBr2 = AgBr + Pb(NO3)2 =>
2 AgNO3 + PbBr2 = 2 AgBr + Pb(NO3)2
HMnO4 + HCl = MnO2 + Cl2 + H2O =>
2 HMnO4 + 6 HCl = 2 MnO2 + 3 Cl2 + 4 H2O
W2O3 = W + O2 =>
2 W2O3 = 4 W + 3 O2
Be + KOH = K2BeO2 + H2 =>
Be + 2 KOH = K2BeO2 + H2
FeO3 + HI = I2 + H2O + FeI =>
2 FeO3 + 12 HI = 5 I2 + 6 H2O + 2 FeI
Br(OH)2 + HCl = BrCl + H(OH)2 =>
Br(OH)2 + HCl = BrCl + H(OH)2
K2CO3 + CH4N2O + O2 = KNO3 + CO2 + H2O =>
K2CO3 + CH4N2O + 4 O2 = 2 KNO3 + 2 CO2 + 2 H2O
Na2SO4 + PbCl2 = NaCl + PbSO4 =>
Na2SO4 + PbCl2 = 2 NaCl + PbSO4
X2 + HgO + H2O = HgO*HgX2 + HXO =>
2 X2 + 2 HgO + H2O = HgO*HgX2 + 2 HXO
PbO2 + Cr2(SO4)3 + NaOH = PbO + Na2CrO4 + Na2SO4 + H2O =>
3 PbO2 + Cr2(SO4)3 + 10 NaOH = 3 PbO + 2 Na2CrO4 + 3 Na2SO4 + 5 H2O
HClO4 + BaO2 = H2O2 + Ba(ClO4)2 =>
2 HClO4 + BaO2 = H2O2 + Ba(ClO4)2
Fe3O4 + CH3OH = Fe + CO2 + H2O =>
3 Fe3O4 + 4 CH3OH = 9 Fe + 4 CO2 + 8 H2O
CaCl2 + Na2CO3 = CaCO3 + NaCl =>
CaCl2 + Na2CO3 = CaCO3 + 2 NaCl
Ca(OH)2 + HBrO3 = Ca(BrO3)2 + H2O =>
Ca(OH)2 + 2 HBrO3 = Ca(BrO3)2 + 2 H2O
Ag + Cl = AgCl =>
Ag + Cl = AgCl
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