| Équations équilibrées la veille |
3 MnSO3 + 4 KMnO4 + 2 KOH = 7 MnO2 + 3 K2SO4 + H2O
C3H8O3 + NH3 + O2 = C10H18O5N2 + H2O =>
20 C3H8O3 + 12 NH3 + 7 O2 = 6 C10H18O5N2 + 44 H2O
CUS + H2SO4 = CUO + SO2 + H2O =>
CUS + 3 H2SO4 = CUO + 4 SO2 + 3 H2O
NCl3 + CH = H2 + N2 + CCl4 =>
8 NCl3 + 6 CH = 3 H2 + 4 N2 + 6 CCl4
Pt + HCl + HNO3 = H2PtCl6 + NO2 + H2O =>
Pt + 6 HCl + 4 HNO3 = H2PtCl6 + 4 NO2 + 4 H2O
H2S + CS2 = C6H12S6 + S8 =>
12 H2S + 12 CS2 = 2 C6H12S6 + 3 S8
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Pb(CH3COO)2 + H2S = PbS + CH3COOH =>
Pb(CH3COO)2 + H2S = PbS + 2 CH3COOH
MnCl2 + Al = Mn + AlCl3 =>
3 MnCl2 + 2 Al = 3 Mn + 2 AlCl3
(FeSO4*7H2O) + NaOH = Fe(OH)2 + Na2SO4 + H2O =>
(FeSO4*7H2O) + 2 NaOH = Fe(OH)2 + Na2SO4 + 7 H2O
AgNO3(aq) + MgI2(aq) = AgI(s) + Mg(NO3)2(aq) =>
2 AgNO3(aq) + MgI2(aq) = 2 AgI(s) + Mg(NO3)2(aq)
Mn(OH)2 + NaOH = MnO(OH)2 + NaH =>
Mn(OH)2 + NaOH = MnO(OH)2 + NaH
Na8Al6Si6O24S4 + HCl = Na8Al6Si6O24S3 + H2S + Cl2 =>
Na8Al6Si6O24S4 + 2 HCl = Na8Al6Si6O24S3 + H2S + Cl2
K3PO4(Ac) + Ca(NO3)2(Ac) = K3(NO3)2(Ac) + CaPO4(Ac) =>
K3PO4(Ac) + Ca(NO3)2(Ac) = K3(NO3)2(Ac) + CaPO4(Ac)
VO3 + NaOH = NaVO3 + OH =>
VO3 + NaOH = NaVO3 + OH
Ca + HNO3 = HN + CaO =>
3 Ca + HNO3 = HN + 3 CaO
KI + HCl + K2Cr2O7 = KCl + I2 + CrCl3 + H2O =>
6 KI + 14 HCl + K2Cr2O7 = 8 KCl + 3 I2 + 2 CrCl3 + 7 H2O
Zn + KNO3 + NaOH = KNO2 + Na2ZnO2 + H2O =>
Zn + KNO3 + 2 NaOH = KNO2 + Na2ZnO2 + H2O
FeI2 + KOH = Fe(OH)2 + KI =>
FeI2 + 2 KOH = Fe(OH)2 + 2 KI
K3PO4(aq) + Pb(NO3)2(aq) = KNO3 + Pb3(PO4)2 =>
2 K3PO4(aq) + 3 Pb(NO3)2(aq) = 6 KNO3 + Pb3(PO4)2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
SeH2 + O2 = Se02 + H2O =>
2 SeH2 + O2 = Se02 + 2 H2O
C2O4H2*(H2O)2 + K2Cr2O7 = KCr(C2O4)2(H2O)2*(H2O)3 + H2O + CO2 =>
7 C2O4H2*(H2O)2 + K2Cr2O7 = 2 KCr(C2O4)2(H2O)2*(H2O)3 + 11 H2O + 6 CO2
Pb + O2 = Pb(O4)2 =>
Pb + 4 O2 = Pb(O4)2
Cu(OH)2 = CuO + OH2 =>
Cu(OH)2 = CuO + OH2
AgBr + HCl = HBr + AgCl =>
AgBr + HCl = HBr + AgCl
BaS + PtF2 = BaF2 + PtS =>
BaS + PtF2 = BaF2 + PtS
C(s) + SiO2(s) + Ca3(PO4)2(s) = P4(g) + CaSiO3(l) + CO(g) =>
10 C(s) + 6 SiO2(s) + 2 Ca3(PO4)2(s) = P4(g) + 6 CaSiO3(l) + 10 CO(g)
SrCl2 + (NH4)2S = SrS + NH4Cl =>
SrCl2 + (NH4)2S = SrS + 2 NH4Cl
K2O + CO2 = K2CO3 =>
K2O + CO2 = K2CO3
Fe(OH)3 + H2SO3 = Fe2SO3 + H(OH)3 =>
2 Fe(OH)3 + H2SO3 = Fe2SO3 + 2 H(OH)3
Al + FeCl3 = AlCl3 + FeCl2 =>
Al + 3 FeCl3 = AlCl3 + 3 FeCl2
MnO4{-} + CH3OH + OH{-} = MnO4{2-} + CO3{2-} + H2O =>
6 MnO4{-} + CH3OH + 8 OH{-} = 6 MnO4{2-} + CO3{2-} + 6 H2O
K2Cr2O7 + Na2SO3 = Cr2SO3 + K2Na2O7 =>
K2Cr2O7 + Na2SO3 = Cr2SO3 + K2Na2O7
C7H6O3 + Fe{3+} = C7H5O3Fe{3+} + H =>
C7H6O3 + Fe{3+} = C7H5O3Fe{3+} + H
Zn3(PO4)2 + AlBr3 = ZnBr2 + AlPO4 =>
Zn3(PO4)2 + 2 AlBr3 = 3 ZnBr2 + 2 AlPO4
Cu(OH)2 + KCN = Cu(CN)2 + KOH =>
Cu(OH)2 + 2 KCN = Cu(CN)2 + 2 KOH
Mg5Al2Si3O10(OH)8 + MgSiO3 = Mg2SiO4 + Mg2Al4Si5O18 + H2O =>
2 Mg5Al2Si3O10(OH)8 + 6 MgSiO3 = 7 Mg2SiO4 + Mg2Al4Si5O18 + 8 H2O
B + O2 = BO2 =>
B + O2 = BO2
NaN6 = Na + N3 =>
NaN6 = Na + 2 N3
KClO3 + S + H2O = Cl2 + K2SO4 + H2SO4 =>
6 KClO3 + 5 S + 2 H2O = 3 Cl2 + 3 K2SO4 + 2 H2SO4
Na + Al2O3 = Al + Na2O =>
6 Na + Al2O3 = 2 Al + 3 Na2O
Ca + C2 + H2O = Ca(OH)2 + C2H2 =>
Ca + C2 + 2 H2O = Ca(OH)2 + C2H2
Fe + CuS3 = Fe2S3 + Cu =>
2 Fe + CuS3 = Fe2S3 + Cu
KCl(s) + NaNO3(aq) = KNO3(aq) + NaCl(aq) =>
KCl(s) + NaNO3(aq) = KNO3(aq) + NaCl(aq)
B4H10 + O2 = B2O3 + H2O =>
2 B4H10 + 11 O2 = 4 B2O3 + 10 H2O
NH2COONH4 = CO2 + NH3 =>
NH2COONH4 = CO2 + 2 NH3
NO + K2CrO7 + HNO3 = KNO3 + Cr(NO3)3 + H2O =>
3 NO + K2CrO7 + 2 HNO3 = 2 KNO3 + Cr(NO3)3 + H2O
Na2CO3 + CH3COOH = Na2CH3COOH + CO3 =>
Na2CO3 + CH3COOH = Na2CH3COOH + CO3
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
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