| Équations équilibrées la veille |
6 C3H7O2 + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 7 H2O + 6 C3H6O2
Pb + AgNO3 = Pb(NO3)2 + Ag =>
Pb + 2 AgNO3 = Pb(NO3)2 + 2 Ag
CaI2 + F2 = CaF2I2 =>
CaI2 + F2 = CaF2I2
MgCl2 + NaOH = MgNa + Cl2OH =>
MgCl2 + NaOH = MgNa + Cl2OH
Cu(N3)2 = Cu + N2 =>
Cu(N3)2 = Cu + 3 N2
NH3 + Hg2(NO3)2 = Hg + (Hg(NH3)2(NO3)2) =>
2 NH3 + Hg2(NO3)2 = Hg + (Hg(NH3)2(NO3)2)
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
(NH4)2PtCl6 = N2 + NH4Cl + HCl + Pt =>
3(NH4)2PtCl6 = 2 N2 + 2 NH4Cl + 16 HCl + 3 Pt
Cr2(SO4)3 + BaCl2 = CrCl3 + BaSO4 =>
Cr2(SO4)3 + 3 BaCl2 = 2 CrCl3 + 3 BaSO4
K3PO4 + Fe(NO3)3 = FePO4 + K3(NO3)3 =>
K3PO4 + Fe(NO3)3 = FePO4 + K3(NO3)3
Fl + Mg = FlMg =>
Fl + Mg = FlMg
Al3 + (OH) = Al(OH)3 =>
Al3 + 9(OH) = 3 Al(OH)3
CH3COONa + CH3COOH = (CH3COO)2HNa =>
CH3COONa + CH3COOH = (CH3COO)2HNa
CH3CO2H + K2Cr2O7 + H2SO4 = CO2 + K2SO4 + Cr2(SO4)3 + H2O =>
3 CH3CO2H + 4 K2Cr2O7 + 16 H2SO4 = 6 CO2 + 4 K2SO4 + 4 Cr2(SO4)3 + 22 H2O
calciumcarbonate = carbondioxide + CaO =>
CaCO3 = CO2 + CaO
HCOOH + Al(OH)3 = Al(HCOO)3 + H2O =>
3 HCOOH + Al(OH)3 = Al(HCOO)3 + 3 H2O
KOH + Al + H2O = [Al(OH)4]{-} + K{+} + H2 =>
2 KOH + 2 Al + 6 H2O = 2[Al(OH)4]{-} + 2 K{+} + 3 H2
C3H5N3O9 = H2O + CO2 + CO + NO =>
2 C3H5N3O9 = 5 H2O + CO2 + 5 CO + 6 NO
CHCH + KMnO4 = MnO2 + KOH + H2O + C2O4K2 =>
3 CHCH + 8 KMnO4 = 8 MnO2 + 2 KOH + 2 H2O + 3 C2O4K2
SrCl2 + K2(SO4) = SrSO4 + KCl =>
SrCl2 + K2(SO4) = SrSO4 + 2 KCl
H{+} + Sn + NO3{-} = Sn{4+} + N20 + H2O =>
120 H{+} + 25 Sn + 20 NO3{-} = 25 Sn{4+} + N20 + 60 H2O
Na2SO2 + H2SO4 = Na2SO4 + SO + H2O =>
Na2SO2 + H2SO4 = Na2SO4 + SO + H2O
TeO2 + H2O2 + H2O = Te(OH)6 =>
TeO2 + H2O2 + 2 H2O = Te(OH)6
Na2S2O3*5H2O + HNO3 = NaNO3 + SO + H2O =>
Na2S2O3*5H2O + 2 HNO3 = 2 NaNO3 + 2 SO + 6 H2O
Ag + Au(NO3)3 = Ag(NO3)3 + Au =>
Ag + Au(NO3)3 = Ag(NO3)3 + Au
K2Cr2O7 + I2 + H3PO4 = HIO3 + Cr2(HPO4)3 + K2HPO4 + H2O =>
5 K2Cr2O7 + 3 I2 + 20 H3PO4 = 6 HIO3 + 5 Cr2(HPO4)3 + 5 K2HPO4 + 17 H2O
MnI5 = Mn + I2 =>
2 MnI5 = 2 Mn + 5 I2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Pb(CH3COO)2 + K2CrO4 = CH3COOK + PbCrO4 =>
Pb(CH3COO)2 + K2CrO4 = 2 CH3COOK + PbCrO4
ZnCl2KNO3 = ZnCl2 + KNO3 =>
ZnCl2KNO3 = ZnCl2 + KNO3
HCl + K2Cr2O7 + SO2 = CrCl3 + H2SO4 + H2O + KCl =>
8 HCl + K2Cr2O7 + 3 SO2 = 2 CrCl3 + 3 H2SO4 + H2O + 2 KCl
(NH4)2CO3 + H2S = (NH4)2S + H2CO3 =>
(NH4)2CO3 + H2S = (NH4)2S + H2CO3
V(CH3COO)4 + H2O = CH3COOH + V(OH)4 =>
V(CH3COO)4 + 4 H2O = 4 CH3COOH + V(OH)4
C3H8O3 + OH{-} = C2H2O4 + H2O + e =>
2 C3H8O3 + 22 OH{-} = 3 C2H2O4 + 16 H2O + 22e
C15H32 + O2 = CO2 + H2O =>
C15H32 + 23 O2 = 15 CO2 + 16 H2O
HNO3 + NaHSO3 = NaNO3 + H2O + SO2 =>
HNO3 + NaHSO3 = NaNO3 + H2O + SO2
Na + MgCl2(aq) = NaCl(aq) + Mg(s) =>
2 Na + MgCl2(aq) = 2 NaCl(aq) + Mg(s)
Au(NO3)2 + MgCl2 = Au(Cl2) + Mg(NO3)2 =>
Au(NO3)2 + MgCl2 = Au(Cl2) + Mg(NO3)2
F2(g) + NaCl(aq) = Na(s) + FCl =>
F2(g) + 2 NaCl(aq) = 2 Na(s) + 2 FCl
H + Cr2O7{-2} + H2SO3 = Cr + SO4{-2} + H2O =>
10 H + Cr2O7{-2} + H2SO3 = 2 Cr + SO4{-2} + 6 H2O
CaC2 + H2O = (Ca(OH)2) + C2H2 =>
CaC2 + 2 H2O = (Ca(OH)2) + C2H2
KMnO4 + H2O = KOH + MnO2 + O =>
2 KMnO4 + H2O = 2 KOH + 2 MnO2 + 3 O
C2H6 + Cl2 = C2H5Cl + HCl =>
C2H6 + Cl2 = C2H5Cl + HCl
K(OH) + Cl2 = ClK + ClO3K + H2O =>
6 K(OH) + 3 Cl2 = 5 ClK + ClO3K + 3 H2O
As2S3 + O2 = As2O3 + SO2 =>
2 As2S3 + 9 O2 = 2 As2O3 + 6 SO2
HCl + Ba(OH)2 = BaCl2 + H2O =>
2 HCl + Ba(OH)2 = BaCl2 + 2 H2O
PbCl2 + Ag = Cl2 + PbAg =>
PbCl2 + Ag = Cl2 + PbAg
Fe + H3PO4 = Fe(PO4) + H2 =>
2 Fe + 2 H3PO4 = 2 Fe(PO4) + 3 H2
PbO2 + H2O = Pb2H2O + O2 =>
2 PbO2 + H2O = Pb2H2O + 2 O2
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