| Équations équilibrées la veille |
2 Cr(OH)3 + 3 H2Se = Cr2Se3 + 6 H2O
K3PO3 + AI(NO2)3 = KNO2 + AIPO3 =>
K3PO3 + AI(NO2)3 = 3 KNO2 + AIPO3
CoSe = Co{-} + Se{+} =>
CoSe = Co{-} + Se{+}
CrO4{2-} + N2H4 + H3O{+} = Cr{3+} + N2 + H2O =>
4 CrO4{2-} + 3 N2H4 + 20 H3O{+} = 4 Cr{3+} + 3 N2 + 36 H2O
LiNO3*H2O + V2O5 = LiV2O5 + H2O + NO3 =>
LiNO3*H2O + V2O5 = LiV2O5 + H2O + NO3
NaF + Br2 = NaBr + F2 =>
2 NaF + Br2 = 2 NaBr + F2
Ar + O = ArO =>
Ar + O = ArO
Mg + KSCN = MgSCN + K =>
Mg + KSCN = MgSCN + K
C71H121O38N05 + H20O10 = C10H40 + C10O20 + N10H33 =>
160 C71H121O38N05 + 414 H20O10 = 625 C10H40 + 511 C10O20 + 80 N10H33
Cu + CO = CuO + C =>
Cu + CO = CuO + C
NiC2O6H4 + O2 = Ni2O3 + H2O + CO2 =>
4 NiC2O6H4 + 3 O2 = 2 Ni2O3 + 8 H2O + 8 CO2
I2 + CdS + H{+} = HI + S + Cd{+2} =>
I2 + CdS + 2 H{+} = 2 HI + S + Cd{+2}
Na2O1 + H2O1 = NaOH1 =>
Na2O1 + H2O1 = 2 NaOH1
Na2PO4 + Ca3(PO4)2 = CaPO4 + Na3PO4 =>
3 Na2PO4 + Ca3(PO4)2 = 3 CaPO4 + 2 Na3PO4
KI + H2O + Cl2 = KCl + HIO3 + HCl =>
KI + 3 H2O + 3 Cl2 = KCl + HIO3 + 5 HCl
NiSO4 + Mn + S = NiS + MnSO4 =>
NiSO4 + Mn + S = NiS + MnSO4
PbO2 + HNO3 + KI = Pb(HNO3)2 + I2 + KNO3 + H2O =>
PbO2 + 6 HNO3 + 4 KI = Pb(HNO3)2 + 2 I2 + 4 KNO3 + 2 H2O
PBr3 + H2O = P(OH)3 + HBr =>
PBr3 + 3 H2O = P(OH)3 + 3 HBr
SO3{-2} + H2O = H2SO3 + OH{-} =>
SO3{-2} + 2 H2O = H2SO3 + 2 OH{-}
AlN + HBrO3 = AlBr + HNO3 =>
AlN + HBrO3 = AlBr + HNO3
NH4ClO4 + Al = N2 + AlCl3 + H2O + O2 =>
6 NH4ClO4 + 2 Al = 3 N2 + 2 AlCl3 + 12 H2O + 6 O2
C6N2H6O2 + O2 = NO3 + CO2 + H2O =>
2 C6N2H6O2 + 19 O2 = 4 NO3 + 12 CO2 + 6 H2O
Zn + KBr = ZnKBr =>
Zn + KBr = ZnKBr
Hg(NO3)2 + LiI = HgI2 + LiNO3 =>
Hg(NO3)2 + 2 LiI = HgI2 + 2 LiNO3
SO3{-2} + H2O = SO4{-2} + H{+} + {-} =>
SO3{-2} + H2O = SO4{-2} + 2 H{+} + 2e
C6H1245 + O2 = CO2 + H2O =>
4 C6H1245 + 1269 O2 = 24 CO2 + 2490 H2O
C4H10 = C + H =>
C4H10 = 4 C + 10 H
SO2 + H2O + KIO3 = K2SO4 + H2SO4 + I2 =>
5 SO2 + 4 H2O + 2 KIO3 = K2SO4 + 4 H2SO4 + I2
K2Cr2O7 + K2SO3 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 K2SO3 + 4 H2SO4 = Cr2(SO4)3 + 4 K2SO4 + 4 H2O
C4H10O2 + O2 = CO2 + H2O =>
2 C4H10O2 + 11 O2 = 8 CO2 + 10 H2O
Sn(OH)2 + Na2O = Sn(NaO)2 + H2O =>
Sn(OH)2 + Na2O = Sn(NaO)2 + H2O
AgNO3 + CaCl2 = AgCl + Ca(NO3)2 =>
2 AgNO3 + CaCl2 = 2 AgCl + Ca(NO3)2
Pb(NO3)2 + NaOH = Pb(OH)2 + Na(NO3) =>
Pb(NO3)2 + 2 NaOH = Pb(OH)2 + 2 Na(NO3)
KOH + Mn2O3 + KNO3 = K2MnO4 + KNO2 + H2O =>
4 KOH + Mn2O3 + 3 KNO3 = 2 K2MnO4 + 3 KNO2 + 2 H2O
Cr(OH)3 + Cl2O7 = Cr2O4 + HClO2 + H2O =>
8 Cr(OH)3 + Cl2O7 = 4 Cr2O4 + 2 HClO2 + 11 H2O
Fe2SO4 + HNO3 + H3SO4 = Fe2(SO4)3 + NO + H2O =>
Fe2SO4 + 2 HNO3 + 2 H3SO4 = Fe2(SO4)3 + 2 NO + 4 H2O
Si + O = SiO2 =>
Si + 2 O = SiO2
N2O + NaNH2 = NaN + NaOH + NH3 =>
N2O + 5 NaNH2 = 4 NaN + NaOH + 3 NH3
KBr + Cl2 = KCl + Br3 =>
6 KBr + 3 Cl2 = 6 KCl + 2 Br3
CH3MgBr + SiCl4 = Si(CH3)4 + MgBrCl =>
4 CH3MgBr + SiCl4 = Si(CH3)4 + 4 MgBrCl
Mn(OH2)6{2+} + OH{-} = Mn(OH)2 + H2O =>
Mn(OH2)6{2+} + 2 OH{-} = Mn(OH)2 + 6 H2O
K2Cr2O7 + NaCl + H2SO4 = Cl2 + H2O + K2SO4 + Na2SO4 + CrSO4 =>
K2Cr2O7 + 8 NaCl + 7 H2SO4 = 4 Cl2 + 7 H2O + K2SO4 + 4 Na2SO4 + 2 CrSO4
CSH + O2 = CO2 + SO2 + H2O =>
4 CSH + 9 O2 = 4 CO2 + 4 SO2 + 2 H2O
ClC5H11 + HClO = C5H10 + H2O + Cl2 =>
ClC5H11 + HClO = C5H10 + H2O + Cl2
Sn(OH)2 + NaOH = Na2SnO2 + H2O =>
Sn(OH)2 + 2 NaOH = Na2SnO2 + 2 H2O
I2 + O3 = I4O9 + O2 =>
2 I2 + 9 O3 = I4O9 + 9 O2
C17H33 + O2 = CO2 + H2O =>
4 C17H33 + 101 O2 = 68 CO2 + 66 H2O
Cu + FeS + O2 = CuSO4 + Fe =>
Cu + FeS + 2 O2 = CuSO4 + Fe
Cu{+2} + NaOH = Cu(OH)2 + Na{+} =>
Cu{+2} + 2 NaOH = Cu(OH)2 + 2 Na{+}
Ca3(PO4)2 + SiO2 + C4 = Ca2SiO4 + P3 + CO2 =>
24 Ca3(PO4)2 + 36 SiO2 + 15 C4 = 36 Ca2SiO4 + 16 P3 + 60 CO2
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