| Équations équilibrées la veille | Équations équilibrées le lendemain |
FeCl3 + 3 KSCN + 3 AgNO3 = 3 AgSCN + 3 KCl + Fe(NO3)3
Na3N + H2O = NaOH + NH3 =>
Na3N + 3 H2O = 3 NaOH + NH3
Cr2O7{-2} + H{+} + Mn{+2} = MnO4{-} + Cr{+3} + H2O =>
5 Cr2O7{-2} + 22 H{+} + 6 Mn{+2} = 6 MnO4{-} + 10 Cr{+3} + 11 H2O
Cr2(SO4)3*6H2O + K2SO4 + H2O = KCr(SO4)2*18H2O =>
Cr2(SO4)3*6H2O + K2SO4 + 30 H2O = 2 KCr(SO4)2*18H2O
HCOO{-} + NH4{+} + C4H8 = C4H10 + CO + NH3 =>
4 HCOO{-} + 4 NH4{+} + 9 C4H8 = 8 C4H10 + 8 CO + 4 NH3
TiO3 + H2O = Ti + (OH)2 =>
TiO3 + 3 H2O = Ti + 3(OH)2
HClO4 + KOH = KClO4 + H2(O) =>
HClO4 + KOH = KClO4 + H2(O)
HI + RbOH = H2O + RbI =>
HI + RbOH = H2O + RbI
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
H2TeO4 + SO = STeO4 + H2O =>
H2TeO4 + SO = STeO4 + H2O
KMnO4 + CH2CH2 + H2O = CH2(OH)CH2OH + KOH + MnO2 =>
2 KMnO4 + 3 CH2CH2 + 4 H2O = 3 CH2(OH)CH2OH + 2 KOH + 2 MnO2
AlPO4 + NH4Cl = NPO4 + AlH4Cl =>
AlPO4 + NH4Cl = NPO4 + AlH4Cl
FeBaOH2 = FeOH2Ba =>
FeBaOH2 = FeOH2Ba
Cu2CO3 = Cu2O + CO2 =>
Cu2CO3 = Cu2O + CO2
HgCl2 + ZnSO4 = HgSO4 + ZnCl2 =>
HgCl2 + ZnSO4 = HgSO4 + ZnCl2
K2(CO)3 = K + C + O =>
K2(CO)3 = 2 K + 3 C + 3 O
Ca3P2 + H2O = PH3 + Ca(OH)2 =>
Ca3P2 + 6 H2O = 2 PH3 + 3 Ca(OH)2
CaCl2 + AgNO3 = Ag2Cl2 + Ca(NO3)2 =>
CaCl2 + 2 AgNO3 = Ag2Cl2 + Ca(NO3)2
Sn + KCl = SnCl4 + K =>
Sn + 4 KCl = SnCl4 + 4 K
H2O + CH3COOH = CO2 + H2 =>
2 H2O + CH3COOH = 2 CO2 + 4 H2
HC2H2O2(aq) + NaHCO2(s) = CO2(g) + H2O(l) + C2H3NaO2(aq) =>
6 HC2H2O2(aq) + 7 NaHCO2(s) = 5 CO2(g) + 2 H2O(l) + 7 C2H3NaO2(aq)
(NH4)2(C2O4) + Al(ClO4)3 = (NH4)(ClO4) + Al2(C2O4)3 =>
3(NH4)2(C2O4) + 2 Al(ClO4)3 = 6(NH4)(ClO4) + Al2(C2O4)3
K2Cr2O7 + NaBr + H2SO4 = Br2 + K2SO4 + Cr2(SO4)3 + Na2SO4 + H2O =>
K2Cr2O7 + 6 NaBr + 7 H2SO4 = 3 Br2 + K2SO4 + Cr2(SO4)3 + 3 Na2SO4 + 7 H2O
C12H22 + O22 = CO2 + H2O =>
22 C12H22 + 35 O22 = 264 CO2 + 242 H2O
C2H4Cl2 + Na = C6H12 + NaCl =>
3 C2H4Cl2 + 6 Na = C6H12 + 6 NaCl
C4H12 + O2 = CO2 + H(OH) =>
C4H12 + 7 O2 = 4 CO2 + 6 H(OH)
Na2C2O4 + Mn(CH3COO)2 = NaCH3COO + MnC2O4 =>
Na2C2O4 + Mn(CH3COO)2 = 2 NaCH3COO + MnC2O4
KI + H2SO4 = S + I2 + H2O + K2SO4 =>
6 KI + 4 H2SO4 = S + 3 I2 + 4 H2O + 3 K2SO4
Mg2S2 = S + Mg =>
Mg2S2 = 2 S + 2 Mg
BaCl(aq) + NaC(aq) = NaCl(s) + BaC(s) =>
BaCl(aq) + NaC(aq) = NaCl(s) + BaC(s)
H3PO2 + Cr2O7{-2} + H{+} = H3PO4 + Cr{3+} + H2O =>
3 H3PO2 + 2 Cr2O7{-2} + 16 H{+} = 3 H3PO4 + 4 Cr{3+} + 8 H2O
C15H15O2N + NaBH4 = C15H17O2N + NaBH2 =>
C15H15O2N + NaBH4 = C15H17O2N + NaBH2
Pb(NO3)2(aq) + NaCl = PbCl2 + NaNO3 =>
Pb(NO3)2(aq) + 2 NaCl = PbCl2 + 2 NaNO3
NaS + CaNO3 = CaS + NaNO3 =>
NaS + CaNO3 = CaS + NaNO3
Zn + NO3{-} + H{+} = NH4{-} + Zn{2+} + H2O =>
5 Zn + NO3{-} + 10 H{+} = NH4{-} + 5 Zn{2+} + 3 H2O
RbBr + CaS = Rb2S + CaBr2 =>
2 RbBr + CaS = Rb2S + CaBr2
VO2 + H2SO4 + Zn = V3O2 + H2O + ZnSO4 =>
3 VO2 + 4 H2SO4 + 4 Zn = V3O2 + 4 H2O + 4 ZnSO4
Ag(NH3)2{+} + HCHO + OH{-} = Ag + NH3 + H2O + HCOO{-} =>
2 Ag(NH3)2{+} + HCHO + 3 OH{-} = 2 Ag + 4 NH3 + 2 H2O + HCOO{-}
C4H10 + HNO3 = C4H8O2 + NO + H2O =>
C4H10 + 2 HNO3 = C4H8O2 + 2 NO + 2 H2O
C7H8 + O2 = CO + H2O =>
2 C7H8 + 11 O2 = 14 CO + 8 H2O
FeTiO3 + C + Cl2 = FeCl3 + TiCl4 + CO2 =>
2 FeTiO3 + 3 C + 7 Cl2 = 2 FeCl3 + 2 TiCl4 + 3 CO2
Ba(SO4)2 = Ba + SO4 =>
Ba(SO4)2 = Ba + 2 SO4
Pb + CuSO4 = Pb(SO4)2 + Cu =>
Pb + 2 CuSO4 = Pb(SO4)2 + 2 Cu
Na3ArO4 + Ba(ClO3)2 = NaClO3 + Ba3(ArO4)2 =>
2 Na3ArO4 + 3 Ba(ClO3)2 = 6 NaClO3 + Ba3(ArO4)2
SO3H2 + Cl2Pb + ClH = S2Pb + Cl4Pb + H2O =>
2 SO3H2 + 6 Cl2Pb + 8 ClH = S2Pb + 5 Cl4Pb + 6 H2O
CH3CH2CONH2 + Br2 + KOH = CH3CH2NH2 + CO2 + HBr + KBr =>
CH3CH2CONH2 + Br2 + KOH = CH3CH2NH2 + CO2 + HBr + KBr
S8 + O2 + FeCl2 + H2 = HCl + FeSO4 =>
S8 + 16 O2 + 8 FeCl2 + 8 H2 = 16 HCl + 8 FeSO4
Br2(g) + KI(ag) = I2(ag) + KBr(ag) =>
Br2(g) + 2 KI(ag) = I2(ag) + 2 KBr(ag)
SrS(aq) + NiI2(aq) = SrI + NiS2 =>
2 SrS(aq) + NiI2(aq) = 2 SrI + NiS2
K + C4H10O + H2O = C4H12 + KOH =>
4 K + C4H10O + 3 H2O = C4H12 + 4 KOH
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