| Équations équilibrées la veille |
Ba(OH)2(aq) + H2SO4(aq) = BaSO4 + 2 H2O
C2H3Cl + NaPb = (C2H3)4Pb + NaCl + Pb =>
4 C2H3Cl + 4 NaPb = (C2H3)4Pb + 4 NaCl + 3 Pb
Fe3O4(s) + H2(g) = Fe(s) + H2O(l) =>
Fe3O4(s) + 4 H2(g) = 3 Fe(s) + 4 H2O(l)
VO + Fe2O3 = VO5 + FeO =>
VO + 4 Fe2O3 = VO5 + 8 FeO
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CoSO4 + H2S = H2O + CoSO3 + S =>
CoSO4 + H2S = H2O + CoSO3 + S
FeCl3 + KBr + K3Fe(CN)6 = KCl + Br2 + Fe3(Fe(CN)6)2 =>
6 FeCl3 + 6 KBr + 4 K3Fe(CN)6 = 18 KCl + 3 Br2 + 2 Fe3(Fe(CN)6)2
NH4C2H3O2 + FeBr2 = NH4Br + Fe(C2H3O2)2 =>
2 NH4C2H3O2 + FeBr2 = 2 NH4Br + Fe(C2H3O2)2
NaIO3 + NaOH + Cl2 = NaI + NaClO3 + H2O =>
5 NaIO3 + 6 NaOH + 3 Cl2 = 5 NaI + 6 NaClO3 + 3 H2O
Rb + HCH3COO = RbCH3COO + H2 =>
2 Rb + 2 HCH3COO = 2 RbCH3COO + H2
P + H2 = P2H5 =>
4 P + 5 H2 = 2 P2H5
NH3 + I2 = N2I6 + H2 =>
2 NH3 + 3 I2 = N2I6 + 3 H2
MgSO4 + ZnBr2 = MgBr2 + ZnSO4 =>
MgSO4 + ZnBr2 = MgBr2 + ZnSO4
MgSO4 + Ca = CaSO4 + Mg =>
MgSO4 + Ca = CaSO4 + Mg
CH3CH2COOH + Mg = CH3CH2COOMg + H2 =>
2 CH3CH2COOH + 2 Mg = 2 CH3CH2COOMg + H2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C3H6Br2 + Mg = C3H6 + MgBr2 =>
C3H6Br2 + Mg = C3H6 + MgBr2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
(NH4)2C2O4 + BaCl2 = NH4Cl + BaC2O4 =>
(NH4)2C2O4 + BaCl2 = 2 NH4Cl + BaC2O4
Fe(CrO2)2 + HNO3 = Fe(NO3)3 + Cr(NO3)3 + NO2 + H2O =>
Fe(CrO2)2 + 10 HNO3 = Fe(NO3)3 + 2 Cr(NO3)3 + NO2 + 5 H2O
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
AlCl3 + K2Cr2O7 + H2SO4 = Cr2(SO4) + K2SO4 + H2O + Cl2 + Al2(SO4)3 =>
10 AlCl3 + 3 K2Cr2O7 + 21 H2SO4 = 3 Cr2(SO4) + 3 K2SO4 + 21 H2O + 15 Cl2 + 5 Al2(SO4)3
H2SO4 + OH{-} = SO4{-2} + H2O =>
H2SO4 + 2 OH{-} = SO4{-2} + 2 H2O
KMnO4 + KClO2 + H2O = MnO2 + KClO3 + KOH =>
2 KMnO4 + 3 KClO2 + H2O = 2 MnO2 + 3 KClO3 + 2 KOH
KBr + (AgNO3)3 = AgBr + KNO3 =>
3 KBr + (AgNO3)3 = 3 AgBr + 3 KNO3
C100H220 + O2 = CO2 + H2O =>
C100H220 + 155 O2 = 100 CO2 + 110 H2O
MgO + HCl = MgHCl + O2 =>
2 MgO + 2 HCl = 2 MgHCl + O2
NiO + Pb = PbO + Ni =>
NiO + Pb = PbO + Ni
bariumhydroxide + perchloricacid = water + bariumperchlorate =>
Ba(OH)2 + 2 HClO4 = 2 H2O + Ba(ClO4)2
KAl2(AlSi3O10)(OH)2 = K2O + Al2O3 + SiO2 + H2O =>
2 KAl2(AlSi3O10)(OH)2 = K2O + 3 Al2O3 + 6 SiO2 + 2 H2O
C3H6O2 + H2 = C3H6 + H2O =>
C3H6O2 + 2 H2 = C3H6 + 2 H2O
A3 + HCl = A1Cl3 + H =>
A3 + 9 HCl = 3 A1Cl3 + 9 H
COH + Na = CONa + H2 =>
2 COH + 2 Na = 2 CONa + H2
SnCl4 + Fe + HCl = H2[SnCl4] + FeCl2 =>
SnCl4 + Fe + 2 HCl = H2[SnCl4] + FeCl2
Li2CO3 + CrBr3 = Cr2(CO3)3 + LiBr =>
3 Li2CO3 + 2 CrBr3 = Cr2(CO3)3 + 6 LiBr
H2S + K2CrO4 + H2O = S + KOH + Cr(OH)3 =>
3 H2S + 2 K2CrO4 + 2 H2O = 3 S + 4 KOH + 2 Cr(OH)3
NaAl(SO4)2 + NaHCO3 = Al(OH)3 + Na2SO4 + CO2 =>
NaAl(SO4)2 + 3 NaHCO3 = Al(OH)3 + 2 Na2SO4 + 3 CO2
[Ni(OH2)6]Cl2 + NH3 = [Ni(NH3)6]Cl2 + H2O =>
[Ni(OH2)6]Cl2 + 6 NH3 = [Ni(NH3)6]Cl2 + 6 H2O
CH3CHO + NaHCO3 = NaCH3CO2 + H2O + CO2 =>
4 CH3CHO + 5 NaHCO3 = 5 NaCH3CO2 + 3 H2O + 3 CO2
Cr2O4{-2} + H{+} = Cr{+3} + H2O =>
Cr2O4{-2} + 8 H{+} = 2 Cr{+3} + 4 H2O
H2S2O3 + CH4 = S8 + H2O + CO2 =>
4 H2S2O3 + 2 CH4 = S8 + 8 H2O + 2 CO2
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(s) + Na2(NO3)2(aq) =>
Ni(NO3)2(aq) + Na2CO3(aq) = NiCO3(s) + Na2(NO3)2(aq)
Sr + Cr2(SO4)3 = SrSO4 + Cr =>
3 Sr + Cr2(SO4)3 = 3 SrSO4 + 2 Cr
(NH4)2SO4 + Ca3(PO4)2 = (NH4)3PO4 + CaSO4 =>
3(NH4)2SO4 + Ca3(PO4)2 = 2(NH4)3PO4 + 3 CaSO4
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
NiO + S = NiS + O =>
NiO + S = NiS + O
Fe + H2O = Fe(OH)3 + H2 = =>
2 Fe + 6 H2O = 2 Fe(OH)3 + 3 H2
Zn(OH)4 = Zn + OH =>
Zn(OH)4 = Zn + 4 OH
MnO4{2-} + SO2 + H{+} = MnO2 + H2SO4 =>
MnO4{2-} + SO2 + 2 H{+} = MnO2 + H2SO4
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