| Équations équilibrées la veille |
K2Cr2O7 + 3 NaNO2 + 4 H2SO4 = 3 NaNO3 + Cr2(SO4)3 + K2SO4 + 4 H2O
ZnBr2 + Na2S = ZnS + NaBr =>
ZnBr2 + Na2S = ZnS + 2 NaBr
FeBr3 + H2O = FeOBr + HBr =>
FeBr3 + H2O = FeOBr + 2 HBr
HNO3 + HCl + Pt = H2PtCl6 + NO2 + H2O =>
4 HNO3 + 6 HCl + Pt = H2PtCl6 + 4 NO2 + 4 H2O
Al2O3 + CaO = Ca2Al + O3 =>
3 Al2O3 + 12 CaO = 6 Ca2Al + 7 O3
CCl3COOH + H2O = CH2O + Cl3COOH =>
CCl3COOH + H2O = CH2O + Cl3COOH
CrLi2O4 + FeCl3 = LiCl + Fe2(CrO4)3 =>
3 CrLi2O4 + 2 FeCl3 = 6 LiCl + Fe2(CrO4)3
P4(s) + Cl = PCl5(aq) =>
P4(s) + 20 Cl = 4 PCl5(aq)
KNO3 + NaBr = KNa + BrNO3 =>
KNO3 + NaBr = KNa + BrNO3
C3H8(OH)3 + KMnO4 = K2CO3 + Mn2O3 + CO2 + H2O =>
8 C3H8(OH)3 + 34 KMnO4 = 17 K2CO3 + 17 Mn2O3 + 7 CO2 + 44 H2O
Nb2O5 + H2SO4 = Nb2(SO4)5 + H2O =>
Nb2O5 + 5 H2SO4 = Nb2(SO4)5 + 5 H2O
C9H20O + O2 = CO + H2O =>
C9H20O + 9 O2 = 9 CO + 10 H2O
BaSO3 + H2O = BaSO4 + H2 =>
BaSO3 + H2O = BaSO4 + H2
FeSO4 + K3[Fe(CN)6] + H2O = Fe3[Fe(CN)6]2 + H2SO4 + KOH =>
3 FeSO4 + 2 K3[Fe(CN)6] + 6 H2O = Fe3[Fe(CN)6]2 + 3 H2SO4 + 6 KOH
K3(Cr(CN)6) + KMnO4 + H2SO4 = CO2 + N2 + MnSO4 + K2SO4 + Cr2O3 + H2O =>
2 K3(Cr(CN)6) + 12 KMnO4 + 21 H2SO4 = 12 CO2 + 6 N2 + 12 MnSO4 + 9 K2SO4 + Cr2O3 + 21 H2O
NH3 + Ni(NO3)2 + H2O = NH4NO3 + Ni(OH)3 =>
14 NH3 + 8 Ni(NO3)2 + 21 H2O = 15 NH4NO3 + 8 Ni(OH)3
C7H6O2 + CH3OH = C8H8O2 + OH =>
18 C7H6O2 + 10 CH3OH = 17 C8H8O2 + 12 OH
P4(s) + Cl = PCl5 =>
P4(s) + 20 Cl = 4 PCl5
Na2SO4 + H2NO3 = Na2NO3 + H2SO4 =>
Na2SO4 + H2NO3 = Na2NO3 + H2SO4
CaCl2 + NaHCO3 = NaCl + H2O + CO2 + CaCO3 =>
CaCl2 + 2 NaHCO3 = 2 NaCl + H2O + CO2 + CaCO3
Cr(OH)3 + H2SO4 = Cr2(OH)2(SO4)2 + H2O =>
2 Cr(OH)3 + 2 H2SO4 = Cr2(OH)2(SO4)2 + 4 H2O
AgCl + PbCl2 = AgPbCl3 =>
AgCl + PbCl2 = AgPbCl3
H2SO4 + CrO3 = H2SO5 + CrO2 =>
H2SO4 + CrO3 = H2SO5 + CrO2
C12H10O + C6H5MgBr + H2O = C19H16O + MgBr =>
11 C12H10O + 16 C6H5MgBr + H2O = 12 C19H16O + 16 MgBr
CO2 + Fe2O3 = FeCO3 + O2 =>
4 CO2 + 2 Fe2O3 = 4 FeCO3 + O2
Zn(s) + HCl(l) = ZnCl2(aq) + H2(g) =>
Zn(s) + 2 HCl(l) = ZnCl2(aq) + H2(g)
CdOH + HCl2 = CdCl2 + H2O =>
CdOH + HCl2 = CdCl2 + H2O
Sodiumsulfate + hydrochloricacid = sodiumchloride + sulfuricacid =>
Na2SO4 + 2 HCl = 2 NaCl + H2SO4
AgI + Na2S = NaI + Ag2S =>
2 AgI + Na2S = 2 NaI + Ag2S
LiNO3 + C6H14N4O2 = Li2O + CO2 + H2O + N2 =>
34 LiNO3 + 5 C6H14N4O2 = 17 Li2O + 30 CO2 + 35 H2O + 27 N2
Cr2O3 + NO3{-} + CO3{2-} = CrO4{2-}{-} + NO2{-} + CO2 =>
Cr2O3 + 3 NO3{-} + 2 CO3{2-} = 2 CrO4{2-}{-} + 3 NO2{-} + 2 CO2
SiO2 + HCl = SiCl2 + OH =>
SiO2 + 2 HCl = SiCl2 + 2 OH
NaHS + O2 + NaOH = Na2SO4 + H2O =>
NaHS + 2 O2 + NaOH = Na2SO4 + H2O
K2S + O2 = KO2 + SO2 =>
K2S + 3 O2 = 2 KO2 + SO2
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
(NH4)2Cr2O7(s) = NH3(g) + H2O(g) + Cr2O3(s) + O2 =>
2(NH4)2Cr2O7(s) = 4 NH3(g) + 2 H2O(g) + 2 Cr2O3(s) + 3 O2
P4 + Cl2(aq) = PCl5 =>
P4 + 10 Cl2(aq) = 4 PCl5
Ca3(PO4)2 + SiO2 + C = CaSiO3 + CO + P4 =>
2 Ca3(PO4)2 + 6 SiO2 + 10 C = 6 CaSiO3 + 10 CO + P4
C8H18 + Br2 = C8H17 + HBr =>
2 C8H18 + Br2 = 2 C8H17 + 2 HBr
Ca(OH)2 + MnSO4 = Ca(SO4)2 + MnOH =>
Ca(OH)2 + 2 MnSO4 = Ca(SO4)2 + 2 MnOH
NaCl + NH3 + CO2 + H2O = NaCO3H + NH4Cl =>
NaCl + NH3 + CO2 + H2O = NaCO3H + NH4Cl
BiCl3 + SnCl2 + KOH = Bi + SnO3 + KCl + H2O =>
4 BiCl3 + 3 SnCl2 + 18 KOH = 4 Bi + 3 SnO3 + 18 KCl + 9 H2O
NaH(s) = Na(s) + H2(g) =>
2 NaH(s) = 2 Na(s) + H2(g)
Na3MnO4 + HCl = MnCl2 + Cl2 + NaCl + H2O =>
2 Na3MnO4 + 16 HCl = 2 MnCl2 + 3 Cl2 + 6 NaCl + 8 H2O
Zn(s) + HCl(l) = ZnCl(aq) + H2(g) =>
2 Zn(s) + 2 HCl(l) = 2 ZnCl(aq) + H2(g)
NaHCO3 + KF = KHCO3 + NaF =>
NaHCO3 + KF = KHCO3 + NaF
Cu(OH)2 + H3Po4 = Cu3(Po4)2 + H2O =>
3 Cu(OH)2 + 2 H3Po4 = Cu3(Po4)2 + 6 H2O
CuSO4 + KI = I2 + Cu2SO4 + K2SO4 =>
2 CuSO4 + 2 KI = I2 + Cu2SO4 + K2SO4
C8H18 + Br2 = C8H16 + HBr =>
C8H18 + Br2 = C8H16 + 2 HBr
Pt + HNO3 = Pt(NO3)4 + NO2 + H2O =>
Pt + 8 HNO3 = Pt(NO3)4 + 4 NO2 + 4 H2O
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