| Équations équilibrées la veille |
2 C16H34(l) + 49 O2(g) = 32 CO2(g) + 34 H2O(l)
K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O =>
2 K2CrO4 + H2SO4 = K2Cr2O7 + K2SO4 + H2O
Al + Na{+} = Al3{+} + Na =>
3 Al + Na{+} = Al3{+} + Na
ZnO + N2O5 = Zn(NO3)2 =>
ZnO + N2O5 = Zn(NO3)2
MnO4 = Mn + O4 =>
MnO4 = Mn + O4
N2 + H2SO4 = NO2 + H2SO3 =>
N2 + 4 H2SO4 = 2 NO2 + 4 H2SO3
CaCl2 + KOH = Ca(OH)2 + KCl =>
CaCl2 + 2 KOH = Ca(OH)2 + 2 KCl
K2(CO4) + HCl = HCl(CO4) + K =>
K2(CO4) + HCl = HCl(CO4) + 2 K
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
AlI3 + SrS = Al2S3 + SrI2 =>
2 AlI3 + 3 SrS = Al2S3 + 3 SrI2
Ag + Pb(C2H3O2)2 = AgC2H3O2 + Pb =>
2 Ag + Pb(C2H3O2)2 = 2 AgC2H3O2 + Pb
CuBr2 + Na2S = CuS + NaBr =>
CuBr2 + Na2S = CuS + 2 NaBr
NH2 + H2O = NH3{+} + OH{-} =>
NH2 + H2O = NH3{+} + OH{-}
C3H6O3 + H2O = H3O + CO =>
C3H6O3 + 6 H2O = 6 H3O + 3 CO
AlCl3 + NaOH = Al(OH)3 + NaCl =>
AlCl3 + 3 NaOH = Al(OH)3 + 3 NaCl
Ni(NO3)3(aq) + KBr(aq) = NiBr + K(NO3)3 =>
Ni(NO3)3(aq) + KBr(aq) = NiBr + K(NO3)3
Li2O + Al(OH)3 = LiOH + Al2O3 =>
3 Li2O + 2 Al(OH)3 = 6 LiOH + Al2O3
Na2B4O7 + CuSO4 + H2O = H3BO3 + Cu(OH)BO2 + Na2SO4 =>
Na2B4O7 + CuSO4 + 5 H2O = 3 H3BO3 + Cu(OH)BO2 + Na2SO4
H2SO4(aq) + HCl(aq) = HClO3(aq) + H2O(l) + SO2(g) =>
3 H2SO4(aq) + HCl(aq) = HClO3(aq) + 3 H2O(l) + 3 SO2(g)
Pb4 + O2 = PbO =>
Pb4 + 2 O2 = 4 PbO
Mg(HCO3)2 + CH3COOH = CO2 + H2O + Mg(C2H3O2)2 =>
Mg(HCO3)2 + 2 CH3COOH = 2 CO2 + 2 H2O + Mg(C2H3O2)2
C4H10 + Br2 = C4H10Br2 =>
C4H10 + Br2 = C4H10Br2
NaNO3 + AgNO3 = AgNa + NO3 =>
NaNO3 + AgNO3 = AgNa + 2 NO3
(NH4)2(SO4) + HCl = NH4Cl + H2SO4 =>
(NH4)2(SO4) + 2 HCl = 2 NH4Cl + H2SO4
P4 + O4 = P4O6 =>
2 P4 + 3 O4 = 2 P4O6
Ca + H2S = CaS + H =>
Ca + H2S = CaS + 2 H
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2 + ZnSO4 =>
CuSO4(aq) + Zn(NO3)2(aq) = Cu(NO3)2 + ZnSO4
As2S5 + OH{-} = AsS4{3-} + AsO4{3-} + H2O =>
4 As2S5 + 24 OH{-} = 5 AsS4{3-} + 3 AsO4{3-} + 12 H2O
HBr = H2 + Br2 =>
2 HBr = H2 + Br2
Ca(OCl)2 + Na2CO3 = CaCO3 + NaClO =>
Ca(OCl)2 + Na2CO3 = CaCO3 + 2 NaClO
C2H5OH + I2 = C2H5OI + HI =>
C2H5OH + I2 = C2H5OI + HI
C2H5(l) + O2(g) = CO2(g) + H2O(l) =>
4 C2H5(l) + 13 O2(g) = 8 CO2(g) + 10 H2O(l)
H2SO4 + Cr = CrSO4 + H2 =>
H2SO4 + Cr = CrSO4 + H2
OH{-} + Ni(OH)2 + S = S{2-} + NiO2 + H2O =>
2 OH{-} + Ni(OH)2 + S = S{2-} + NiO2 + 2 H2O
Na + Mg(HCO3)2 = Na(HCO3)2 + Mg =>
Na + Mg(HCO3)2 = Na(HCO3)2 + Mg
BaO + SO3 = BaSO4 =>
BaO + SO3 = BaSO4
CH3COONa + NaOH + CaO = CH3CH3 + Na2CO3 + Ca(OH)2 =>
7 CH3COONa + 5 NaOH + CaO = 4 CH3CH3 + 6 Na2CO3 + Ca(OH)2
C3 + O2 = CO1 =>
2 C3 + 3 O2 = 6 CO1
KNO3 + CH2O = KNO2 + CO2 + H2O =>
2 KNO3 + CH2O = 2 KNO2 + CO2 + H2O
SnS + OH{-} + H2O2 = SnS3{2-} + [Sn(OH)6]{2-} =>
3 SnS + 6 OH{-} + 3 H2O2 = SnS3{2-} + 2[Sn(OH)6]{2-}
Na2CO3 + NaOH = NaOHNa2CO3 =>
Na2CO3 + NaOH = NaOHNa2CO3
KI(aq) + FeCl3(aq) = KCl(aq) + FeI3(aq) =>
3 KI(aq) + FeCl3(aq) = 3 KCl(aq) + FeI3(aq)
Al(OH)3(s) + HCl(aq) = AlCl3(aq) + H2O(l) =>
Al(OH)3(s) + 3 HCl(aq) = AlCl3(aq) + 3 H2O(l)
I2O7 = I + O =>
I2O7 = 2 I + 7 O
KNO3 + HOH = KOH + HNO3 =>
KNO3 + HOH = KOH + HNO3
MoS2 + HNO3 = MoO3 + NO2 + H2SO4 + H2O =>
MoS2 + 18 HNO3 = MoO3 + 18 NO2 + 2 H2SO4 + 7 H2O
H2SO4(aq) + K2CO3(aq) = H2CO3 + K2SO4 =>
H2SO4(aq) + K2CO3(aq) = H2CO3 + K2SO4
Fe{3+} + (KSCN){-} = [FeKSCN]{2+} =>
Fe{3+} + (KSCN){-} = [FeKSCN]{2+}
C(s) + H2O(l) = CH4(g) + CO2(g) =>
2 C(s) + 2 H2O(l) = CH4(g) + CO2(g)
AlF3 + Na2CO3 = NaF + Al2(CO3)3 =>
2 AlF3 + 3 Na2CO3 = 6 NaF + Al2(CO3)3
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