| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cr2O3 + 2 KOH + 3 H2O = 2 K(Cr(OH)4)
NH4 + OH + HCl = NH4Cl + H2O =>
NH4 + OH + HCl = NH4Cl + H2O
Mg + HNO3 = Mg(NO3)2 + H2 = =>
Mg + 2 HNO3 = Mg(NO3)2 + H2
C6H6(l) + H2(g) = C6H12(l) =>
C6H6(l) + 3 H2(g) = C6H12(l)
LiBr + Pb(ClO4)2 = PbBr2 + LiClO4 =>
2 LiBr + Pb(ClO4)2 = PbBr2 + 2 LiClO4
Zn3Cr(HCOO)9 + NaOH = Zn3Cr(OH)(HCOO)8 + NaHCOO =>
Zn3Cr(HCOO)9 + NaOH = Zn3Cr(OH)(HCOO)8 + NaHCOO
MoO3(aq) + Zn(cr) + H2SO4(l) = Mo2O3(cr) + ZnSO4(aq) + H2O(l) =>
2 MoO3(aq) + 3 Zn(cr) + 3 H2SO4(l) = Mo2O3(cr) + 3 ZnSO4(aq) + 3 H2O(l)
(C)2(H)6 + (O)2 = C(O)2 + (H)2O =>
2(C)2(H)6 + 7(O)2 = 4 C(O)2 + 6(H)2O
Ba(NO3)2 + CuSO4 = Cu(NO3)2BaSO4 =>
Ba(NO3)2 + CuSO4 = Cu(NO3)2BaSO4
Zn + Na2SO4 + OH = ZnSO4 + Na2O + H2O =>
Zn + Na2SO4 + 2 OH = ZnSO4 + Na2O + H2O
H2SO4(aq) + Pb(s) = Pb2(SO4)4(aq) + H2(g) =>
4 H2SO4(aq) + 2 Pb(s) = Pb2(SO4)4(aq) + 4 H2(g)
KAl(SO4)2*12H2O(s) + BaCl2(aq) = AlCl3 + BaSO4 + H2O + KCl =>
KAl(SO4)2*12H2O(s) + 2 BaCl2(aq) = AlCl3 + 2 BaSO4 + 12 H2O + KCl
Ag + CuNo3 = Ag(No3)2 + Cu =>
Ag + 2 CuNo3 = Ag(No3)2 + 2 Cu
Fe(OH)3 + HNo3 = Fe(No3)3 + H2O =>
Fe(OH)3 + 3 HNo3 = Fe(No3)3 + 3 H2O
BaCl2 + CrSO4 = CrCl2 + BaSO4 =>
BaCl2 + CrSO4 = CrCl2 + BaSO4
F2 + Pb2I4 = Pb4F + I2 =>
F2 + 4 Pb2I4 = 2 Pb4F + 8 I2
S2Cl2(l) + NH3(g) = S8(s) + S4N4(s) + NH4Cl(s) =>
6 S2Cl2(l) + 16 NH3(g) = S8(s) + S4N4(s) + 12 NH4Cl(s)
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + H2O2 + K2C2O4 = K3[Fe(C2O4)3]*3H2O + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + H2O2 + 3 K2C2O4 = 2 K3[Fe(C2O4)3]*3H2O + 2(NH4)2SO4 + 2 H2SO4 + 8 H2O
HClO4 + N2O3 = NO(ClO4) + H2O =>
2 HClO4 + N2O3 = 2 NO(ClO4) + H2O
C688H4108O474 + O2 = CO2 + H2O =>
C688H4108O474 + 1478 O2 = 688 CO2 + 2054 H2O
PbNO4 + KI = KNO4 + PbI =>
PbNO4 + KI = KNO4 + PbI
H2SO4 + Ca(OH)2 = H2O + Ca(HSO4)2 =>
2 H2SO4 + Ca(OH)2 = 2 H2O + Ca(HSO4)2
Na2CO3 + AgNO3 = CO2 + Na2NO4 + Ag =>
Na2CO3 + AgNO3 = CO2 + Na2NO4 + Ag
C5H10O2 + O2 = CO2 + H2O4 =>
C5H10O2 + 14 O2 = 5 CO2 + 5 H2O4
NH4SO4 + BaCl = (NH4)2Cl + Ba(SO4)2 =>
2 NH4SO4 + BaCl = (NH4)2Cl + Ba(SO4)2
Ca(OH)2 + HIO3 = Ca(IO3)2 + H2O =>
Ca(OH)2 + 2 HIO3 = Ca(IO3)2 + 2 H2O
H2O + Mn(NO3)2 + Pb(NO3)2 + TiC12H28O4 = MnPbTiO3 + NH3 + H2 + CO2 =>
11 H2O + Mn(NO3)2 + Pb(NO3)2 + TiC12H28O4 = MnPbTiO3 + 4 NH3 + 19 H2 + 12 CO2
H2O + (S2O4{2-}) = S2O3{2-} + (HSO3{-}) =>
H2O + 2(S2O4{2-}) = S2O3{2-} + 2(HSO3{-})
CaCO3 = CaO + CO2 = =>
CaCO3 = CaO + CO2
Fe + H2O = Fe2O3 + H2 =>
2 Fe + 3 H2O = Fe2O3 + 3 H2
Na2S2O8 + FeCl2 + NaCl = Na2SO4 + FeCl3 =>
Na2S2O8 + 2 FeCl2 + 2 NaCl = 2 Na2SO4 + 2 FeCl3
Zn + FeCl = ZnCl2 + Fe2 =>
Zn + 2 FeCl = ZnCl2 + Fe2
CrI3 + H2O2 = CrO4{2-} + IO4{-} + H2O + H{+} =>
2 CrI3 + 27 H2O2 = 2 CrO4{2-} + 6 IO4{-} + 22 H2O + 10 H{+}
Fe2S3 + O2 = FeO3 + S =>
Fe2S3 + 3 O2 = 2 FeO3 + 3 S
K + He = HeK =>
K + He = HeK
Al + HBrO4 = Al(BrO4)3 + H2 =>
2 Al + 6 HBrO4 = 2 Al(BrO4)3 + 3 H2
C6H12O(g) + O2(g) = CO2(g) + H2O(g) =>
2 C6H12O(g) + 17 O2(g) = 12 CO2(g) + 12 H2O(g)
KMnO4 + Ag + H2SO4 = AgSO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 Ag + 8 H2SO4 = 5 AgSO4 + 2 MnSO4 + K2SO4 + 8 H2O
CH3COOH + Na2CO3 + H2O = CO2 + CH3COONa*3H2O =>
2 CH3COOH + Na2CO3 + 5 H2O = CO2 + 2 CH3COONa*3H2O
Al + HBrO4 = Al(BrO4)3 + H2 =>
2 Al + 6 HBrO4 = 2 Al(BrO4)3 + 3 H2
K2SO4 + KOH + S = K2S2O3 + H2O =>
2 K2SO4 + 2 KOH + 4 S = 3 K2S2O3 + H2O
Ca(OH)2 + HIO3 = Ca(IO3)2 + H2O =>
Ca(OH)2 + 2 HIO3 = Ca(IO3)2 + 2 H2O
Li2O + H2O = LiOH = O2 =>
Li2O + H2O = 2 LiOH
MgSO4 + H2S = MgS + H2SO4 =>
MgSO4 + H2S = MgS + H2SO4
(PO4)2Ca3 + H2SO4 + H2O = (PO4H2)2Ca + CaSO4*2H2O =>
(PO4)2Ca3 + 2 H2SO4 + 4 H2O = (PO4H2)2Ca + 2 CaSO4*2H2O
NaBrO3 + Cr2O3 + H2O = Br2 + Na2Cr2O7 + H2Cr2O7 =>
6 NaBrO3 + 5 Cr2O3 + 2 H2O = 3 Br2 + 3 Na2Cr2O7 + 2 H2Cr2O7
K3[Fe(CN)6] + H2O2 + KOH = K4[Fe(CN)6]H2O + O2 =>
2 K3[Fe(CN)6] + H2O2 + 2 KOH = 2 K4[Fe(CN)6]H2O + O2
H2SO4(aq) + KOH(aq) = K2SO4(aq) + H2O =>
H2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 H2O
KNO3 + H2SO4 = HNO3 + KHSO4 =>
KNO3 + H2SO4 = HNO3 + KHSO4
I2 + MnO2 + HCl = HIO3 + MnCl2 + H2O =>
I2 + 5 MnO2 + 10 HCl = 2 HIO3 + 5 MnCl2 + 4 H2O
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