| Équations équilibrées la veille |
Ca3(PO4)2 + 2 H2SO4 = 2 CaSO4 + Ca(H2PO4)2
BaCl2 + (NH4)2SO4 = Ba(SO4) + NH4Cl =>
BaCl2 + (NH4)2SO4 = Ba(SO4) + 2 NH4Cl
C2H6O(l) + O2(g) = C2H4O2(l) + H2O =>
C2H6O(l) + O2(g) = C2H4O2(l) + H2O
CaBr2(aq) + K2S(aq) = CaS + KBr =>
CaBr2(aq) + K2S(aq) = CaS + 2 KBr
Al + NaH + H2O = NaAl(OH)4 + H =>
Al + NaH + 4 H2O = NaAl(OH)4 + 5 H
Re4[Fe(CN)6]7 + H2O = H{+} + Fe{3+} + N2O5 + C10H8 + Re{7+} + {-} =>
5 Re4[Fe(CN)6]7 + 525 H2O = 882 H{+} + 35 Fe{3+} + 105 N2O5 + 21 C10H8 + 20 Re{7+} + 1127e
C12H22O11 + H2O(i) = C2H5OH + CO2 =>
C12H22O11 + H2O(i) = 4 C2H5OH + 4 CO2
Cr(OH)3 + TlI = CrI3 + TlOH =>
Cr(OH)3 + 3 TlI = CrI3 + 3 TlOH
Fe3NO3(aq) + KI(aq) = Fe3I(aq) + KNO3(aq) =>
Fe3NO3(aq) + KI(aq) = Fe3I(aq) + KNO3(aq)
PbCrO4 + HNO3 = Pb(NO3)2 + H2CrO4 =>
PbCrO4 + 2 HNO3 = Pb(NO3)2 + H2CrO4
OH{-} + HO2{-} + Cr(OH)3 = CrO4{-2} + H2O =>
OH{-} + 3 HO2{-} + 2 Cr(OH)3 = 2 CrO4{-2} + 5 H2O
Na2Co3 + H2SO4 = H2 + Na2SO4 + Co =>
Na2Co3 + H2SO4 = H2 + Na2SO4 + 3 Co
H2Te + Na(OH) = Na(HTe) + H2O =>
H2Te + Na(OH) = Na(HTe) + H2O
Ba(OH)2 + HI = Ba(I)2 + H2O =>
Ba(OH)2 + 2 HI = Ba(I)2 + 2 H2O
H3PO4(aq) + Fe(s) = Fe3(PO4)2(aq) + H2(g) =>
2 H3PO4(aq) + 3 Fe(s) = Fe3(PO4)2(aq) + 3 H2(g)
sulfur + Carbonmonoxide = Sulfurdioxide + carbon =>
S + 2 CO = SO2 + 2 C
Zn{+2} + HCl{-} = ZnCl2 + H2 =>
Zn{+2} + 2 HCl{-} = ZnCl2 + H2
Al2O3 = Al + O2 =>
2 Al2O3 = 4 Al + 3 O2
Al + MgCrO4 = Al2(CrO4)3 + Mg =>
2 Al + 3 MgCrO4 = Al2(CrO4)3 + 3 Mg
H3PO4 + Na = H2 + Na(PO4)2 =>
2 H3PO4 + Na = 3 H2 + Na(PO4)2
Hg(OH)2 = HgO + H2O(l) =>
Hg(OH)2 = HgO + H2O(l)
(NH4)3PO4*12MoO3 + OH{-} = MoO4{-2} + HPO4{-2} + NH4{+} + H2O =>
(NH4)3PO4*12MoO3 + 23 OH{-} = 12 MoO4{-2} + HPO4{-2} + 3 NH4{+} + 11 H2O
CuCl2{+} = CuCl{+} + Cl2 =>
2 CuCl2{+} = 2 CuCl{+} + Cl2
Al(s) + N(g) = AlN(aq) =>
Al(s) + N(g) = AlN(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Li + H2Cl2 = LiCl + H2 =>
2 Li + H2Cl2 = 2 LiCl + H2
H3SiCl + H2O = Si2H6O + HCl =>
2 H3SiCl + H2O = Si2H6O + 2 HCl
C5H10O5 = CH2O =>
C5H10O5 = 5 CH2O
SC(NH2)2 = [SC2N2(NH2)2] + e + H{+} + S8 =>
16 SC(NH2)2 = 8[SC2N2(NH2)2] + 32e + 32 H{+} + S8
C2H12O + O2 = CO2 + H2O =>
2 C2H12O + 9 O2 = 4 CO2 + 12 H2O
Fe + NiSO4 = Fe(SO4)4 + Ni =>
Fe + 4 NiSO4 = Fe(SO4)4 + 4 Ni
Cu + (SO4)3 + K2CrO4 = K2SO4 + Cu2CrO4 =>
6 Cu + (SO4)3 + 3 K2CrO4 = 3 K2SO4 + 3 Cu2CrO4
H2O + Se + Cd{+} = Cd + SeO3 + H{+} =>
3 H2O + Se + 6 Cd{+} = 6 Cd + SeO3 + 6 H{+}
Na2SiO3(aq) + FeCl3(aq) = Fe2(SiO3)3 + NaCl(aq) =>
3 Na2SiO3(aq) + 2 FeCl3(aq) = Fe2(SiO3)3 + 6 NaCl(aq)
C6H12O6 = CH2O =>
C6H12O6 = 6 CH2O
C6H14O2N + O2 + H{+} = CO2 + NH4{+} + H2O =>
4 C6H14O2N + 31 O2 + 4 H{+} = 24 CO2 + 4 NH4{+} + 22 H2O
Bi2O3 + Br2 + NaOH = NaBiO3 + NaBr + H2O =>
Bi2O3 + 2 Br2 + 6 NaOH = 2 NaBiO3 + 4 NaBr + 3 H2O
Mg(s) + HCl(aq) = MgCl2(am) + H2(g) =>
Mg(s) + 2 HCl(aq) = MgCl2(am) + H2(g)
C6H5COOH2O = OHC6H6COO =>
C6H5COOH2O = OHC6H6COO
FeAsS + NO3{-} + H{+} = Fe{3+} + AsO4{-3} + SO4{-2} + NO2 + H2O =>
FeAsS + 14 NO3{-} + 12 H{+} = Fe{3+} + AsO4{-3} + SO4{-2} + 14 NO2 + 6 H2O
H2SO3 + HgOH = Hg2SO3 + H2O =>
H2SO3 + 2 HgOH = Hg2SO3 + 2 H2O
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
K2Cr2O7 + KOH = K2CrO4 + H2O =>
K2Cr2O7 + 2 KOH = 2 K2CrO4 + H2O
NI(OH)2 + NaOH + Br2 = NI(OH)3 + NaBr =>
2 NI(OH)2 + 2 NaOH + Br2 = 2 NI(OH)3 + 2 NaBr
Sr(OH)2 + AlI3 = Al(OH)3 + SrI2 =>
3 Sr(OH)2 + 2 AlI3 = 2 Al(OH)3 + 3 SrI2
H2SO4 + Ca5F(PO4)3 = Ca(H2PO4)2 + HF + CaSO4 =>
7 H2SO4 + 2 Ca5F(PO4)3 = 3 Ca(H2PO4)2 + 2 HF + 7 CaSO4
FeSCN = Fe + SCN =>
FeSCN = Fe + SCN
Al2S3 + CaH2 = AlH3 + CaS =>
Al2S3 + 3 CaH2 = 2 AlH3 + 3 CaS
FeSCN = Fe + SCN =>
FeSCN = Fe + SCN
NaBr + H2SO4 = Br2 + SO2 + H2O + NaSO4 =>
2 NaBr + 4 H2SO4 = Br2 + 2 SO2 + 4 H2O + 2 NaSO4
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