| Équations équilibrées la veille |
Mg3N2 + 4 H2SO4 = 3 MgSO4 + (NH4)2SO4
Na + Si = NaSi2 =>
Na + 2 Si = NaSi2
K(s) + C(s) = K4C(s) =>
4 K(s) + C(s) = K4C(s)
C3COOH + H2 = C4H8O2 =>
2 C3COOH + 7 H2 = 2 C4H8O2
H2O + CH5N = H3O + CH4N =>
H2O + CH5N = H3O + CH4N
CH(subscript)4 + O(subscript)2 = CO(subscript)2 + H(superscript)2O =>
CH(subscript)4 + 2 O(subscript)2 = CO(subscript)2 + 2 H(superscript)2O
HCrO3Cl + H2O = H2CrO4 + HCl =>
HCrO3Cl + H2O = H2CrO4 + HCl
H3PO4 + Mg(OH)2 = H3(OH)2 + Mg2(PO4)2 =>
2 H3PO4 + 2 Mg(OH)2 = 2 H3(OH)2 + Mg2(PO4)2
BCl + KCa = KCl + BCa =>
BCl + KCa = KCl + BCa
Li2O + Fe2(SO4)3 = Li2SO4 + Fe2O3 =>
3 Li2O + Fe2(SO4)3 = 3 Li2SO4 + Fe2O3
S + O2 + K = KSO =>
2 S + O2 + 2 K = 2 KSO
H3A + Mg(OH)2 = MgA + H3(OH)2 =>
H3A + Mg(OH)2 = MgA + H3(OH)2
CO2 + H2S + H2O = H2SO4 + C6H12O6 =>
6 CO2 + 3 H2S + 6 H2O = 3 H2SO4 + C6H12O6
LiBF4 + NH4Cl = BF3 + LiCl + NH3 + HF =>
LiBF4 + NH4Cl = BF3 + LiCl + NH3 + HF
AgNO3 + CoCl2 = AgCl(s) + Co(NO3)2 =>
2 AgNO3 + CoCl2 = 2 AgCl(s) + Co(NO3)2
H2 + SO2 = H2S + H2O =>
3 H2 + SO2 = H2S + 2 H2O
Sr(NO3)2 + Cu2CO3 = SrCO3 + CuNO3 =>
Sr(NO3)2 + Cu2CO3 = SrCO3 + 2 CuNO3
Fe + CuBr = Cu + FeBr =>
Fe + CuBr = Cu + FeBr
HNO2 + HMnO4 = H2O + HNO3 + Mn(NO3)2 =>
5 HNO2 + 2 HMnO4 = 3 H2O + HNO3 + 2 Mn(NO3)2
Cu + H2SO3 = H2SO3Cu =>
Cu + H2SO3 = H2SO3Cu
Al(s) + S = Al2S3 =>
2 Al(s) + 3 S = Al2S3
Al2O3 + H2O = Al(OH0)3 =>
Al2O3 + 3 H2O = 2 Al(OH0)3
NaCO3 + PbNO4 = NaNO4 + PbCO3 =>
NaCO3 + PbNO4 = NaNO4 + PbCO3
NH4 + PbN = N2H4 + Pb =>
NH4 + PbN = N2H4 + Pb
Ca(OH)2 + Ca(HSO4)2 = CaSO4 + H2O =>
Ca(OH)2 + Ca(HSO4)2 = 2 CaSO4 + 2 H2O
Fe + HCl = FeCl7 + H2 =>
2 Fe + 14 HCl = 2 FeCl7 + 7 H2
CuSO4*5H2O + C2H5OH = H2O + Cu(OH)2 + (C2H5)2SO4 =>
CuSO4*5H2O + 2 C2H5OH = 5 H2O + Cu(OH)2 + (C2H5)2SO4
CrO4{2-} + HSnO2 + OH{-} = CrO2{-} + HSnO3{-} + H2O =>
CrO4{2-} + 3 HSnO2 + 2 OH{-} = CrO2{-} + 3 HSnO3{-} + H2O
K2SO5 + Mn + H2O = KMnO4 + K2SO4 + H2SO4 =>
7 K2SO5 + 2 Mn + H2O = 2 KMnO4 + 6 K2SO4 + H2SO4
NiS + HNO3 + HCl = NiCl2 + S + NO + H2O =>
3 NiS + 2 HNO3 + 6 HCl = 3 NiCl2 + 3 S + 2 NO + 4 H2O
Cr2O2{2-} + H{+} + H2O2 = [CrO(O2)2] + H2O =>
Cr2O2{2-} + 2 H{+} + 9 H2O2 = 2[CrO(O2)2] + 10 H2O
NO + OH = NO3 + H2O =>
NO + 4 OH = NO3 + 2 H2O
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
(NH4)2O + H2O = NH4OH =>
(NH4)2O + H2O = 2 NH4OH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Sb2S5 = Sb + S =>
Sb2S5 = 2 Sb + 5 S
[Cr((NH2)2CO)6]3[Cr(CN)6]2 + K2Cr2O7 + H2SO4 = K2SO4 + KNO3 + Cr2(SO4)3 + CO2 + H2O =>
2[Cr((NH2)2CO)6]3[Cr(CN)6]2 + 137 K2Cr2O7 + 515 H2SO4 = 89 K2SO4 + 96 KNO3 + 142 Cr2(SO4)3 + 60 CO2 + 587 H2O
KOH + MnCl2 = Mn(OH)2 + KCl =>
2 KOH + MnCl2 = Mn(OH)2 + 2 KCl
Mg(OH)2(s) + H3PO4(aq) = Mg3(PO4)2(s) + H2O(l) =>
3 Mg(OH)2(s) + 2 H3PO4(aq) = Mg3(PO4)2(s) + 6 H2O(l)
KI + O = I2 + K2O =>
2 KI + O = I2 + K2O
Fe2(SO4)3 + Fe3N2 = FeN + Fe(SO4) =>
Fe2(SO4)3 + Fe3N2 = 2 FeN + 3 Fe(SO4)
HNO3 + Mn = N2O + Mn(NO3)2 + H2O =>
10 HNO3 + 4 Mn = N2O + 4 Mn(NO3)2 + 5 H2O
K2C2O4 + H2SO4 + KMnO4 = H2O + MnO + CO2 + K2SO4 =>
5 K2C2O4 + 6 H2SO4 + 2 KMnO4 = 6 H2O + 2 MnO + 10 CO2 + 6 K2SO4
Ca(OH)2 + O2 + S = CaO3S2 + H2O =>
Ca(OH)2 + O2 + 2 S = CaO3S2 + H2O
Ag + KCN = K2(Ag(CN)2) =>
Ag + 2 KCN = K2(Ag(CN)2)
CH4 + S = CS2 + H2S =>
CH4 + 4 S = CS2 + 2 H2S
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P2 =>
Ca3(PO4)2 + 3 SiO2 + 5 C = 3 CaSiO3 + 5 CO + P2
(NH3)2SO4 + NaOH = Na2SO4 + NH3OH =>
(NH3)2SO4 + 2 NaOH = Na2SO4 + 2 NH3OH
CoCo3 + NaBr = CoBr3 + Na3Co3 =>
CoCo3 + 3 NaBr = CoBr3 + Na3Co3
Al + H2O = Al2O6 + H2 =>
2 Al + 6 H2O = Al2O6 + 6 H2
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