| Équations équilibrées la veille |
2 KBr + MgS = K2S + MgBr2
Pb + Mg(CH3COO)2 = Pb(CH3COO)2 + Mg =>
Pb + Mg(CH3COO)2 = Pb(CH3COO)2 + Mg
K2SO3 + H2SO4 + KMnO2 = K2SO4 + MnSO4 + H2O =>
K2SO3 + 3 H2SO4 + 2 KMnO2 = 2 K2SO4 + 2 MnSO4 + 3 H2O
BaBr2 + ZnSO4 = BaSO4 + ZnBr2 =>
BaBr2 + ZnSO4 = BaSO4 + ZnBr2
KBr + H2SO4 + KMnO4 = Br + K2SO4 + MnSO4 + H2O =>
5 KBr + 4 H2SO4 + KMnO4 = 5 Br + 3 K2SO4 + MnSO4 + 4 H2O
C3H7O2N + NaOH = CH3COONa + NH3 + H2O =>
2 C3H7O2N + 3 NaOH = 3 CH3COONa + 2 NH3 + H2O
FeCl2(aq) + HNO3(aq) + HCl(aq) = FeCl3(aq) + NOCl(g) + H2O(l) =>
2 FeCl2(aq) + HNO3(aq) + 3 HCl(aq) = 2 FeCl3(aq) + NOCl(g) + 2 H2O(l)
Au + KOH = Au(OH)3 + K =>
Au + 3 KOH = Au(OH)3 + 3 K
K2[Co(C2O4)2] + PbO2 + CH3COOH = K3[Co(C2O4)3] + Pb(CH3COO)2 + Co(CH3COO)2 + H2O =>
3 K2[Co(C2O4)2] + PbO2 + 4 CH3COOH = 2 K3[Co(C2O4)3] + Pb(CH3COO)2 + Co(CH3COO)2 + 2 H2O
Fe(OH)3 = Fe2(O3) + H2O =>
2 Fe(OH)3 = Fe2(O3) + 3 H2O
AlCl3 + Cl2 + NaOH = Na2AlO4 + NaCl + H2O =>
2 AlCl3 + 3 Cl2 + 16 NaOH = 2 Na2AlO4 + 12 NaCl + 8 H2O
CuFeS2(s) + FeCl3(ac) = CuCl2(ac) + FeCl2(ac) + S(s) =>
CuFeS2(s) + 4 FeCl3(ac) = CuCl2(ac) + 5 FeCl2(ac) + 2 S(s)
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
MgSO4 + Fe = Mg + FeSO4 =>
MgSO4 + Fe = Mg + FeSO4
C3H6O2 + HCl = C3H5ClO2 + H2 =>
C3H6O2 + HCl = C3H5ClO2 + H2
CaI2 + O2 = CaO + I2 =>
2 CaI2 + O2 = 2 CaO + 2 I2
CH3COOH + O2 = CO2 + H2OH2O2 = O2 + H2O =>
2 CH3COOH + 5 O2 = 4 CO2 + 2 H2OH2O2
CH3CH2CHCHCH3 + KMnO4 + H2SO4 = CH3CH2COOH + K2SO4 + MnSO4 + H2O =>
3 CH3CH2CHCHCH3 + 4 KMnO4 + 6 H2SO4 = 5 CH3CH2COOH + 2 K2SO4 + 4 MnSO4 + 6 H2O
AlCl3(aq) + NH3(aq) + H2O(l) = Al(OH)3(s) + NH4Cl(aq) =>
AlCl3(aq) + 3 NH3(aq) + 3 H2O(l) = Al(OH)3(s) + 3 NH4Cl(aq)
KMnO4 + KHSO3 = K2SO4 + KHSO4 + MnO2 + H2O =>
2 KMnO4 + 3 KHSO3 = 2 K2SO4 + KHSO4 + 2 MnO2 + H2O
Fe(HCO3)3(s) = Fe2(CO3)3(s) + CO2(g) + H2O(l) =>
2 Fe(HCO3)3(s) = Fe2(CO3)3(s) + 3 CO2(g) + 3 H2O(l)
CO2 + Al(OH)3 = Al(HCO3)3 =>
3 CO2 + Al(OH)3 = Al(HCO3)3
PbCrO4 + KBr = PbBr2 + K2CrO4 =>
PbCrO4 + 2 KBr = PbBr2 + K2CrO4
FeCl3(ag) + NaOH(ag) = Fe(OH)3(s) + NaCl(ag) =>
FeCl3(ag) + 3 NaOH(ag) = Fe(OH)3(s) + 3 NaCl(ag)
SCl2 + NaOH = S + Na2SO3 + NaCl + H2O =>
2 SCl2 + 6 NaOH = S + Na2SO3 + 4 NaCl + 3 H2O
(CH3)3NH2 + O2 = CO2 + H2O + N2 =>
4(CH3)3NH2 + 23 O2 = 12 CO2 + 22 H2O + 2 N2
Cu2O + NO3{-} + H{+} = Cu{2+} + NO + H2O =>
3 Cu2O + 2 NO3{-} + 14 H{+} = 6 Cu{2+} + 2 NO + 7 H2O
Zn(s) + H2O(l) + O2(g) = Zn(OH)2(s) =>
2 Zn(s) + 2 H2O(l) + O2(g) = 2 Zn(OH)2(s)
H2O + CH3CH2OH = CH3COOH + H =>
H2O + CH3CH2OH = CH3COOH + 4 H
Fe(S)2 + O2 = Fe2O3 + SO2 =>
4 Fe(S)2 + 11 O2 = 2 Fe2O3 + 8 SO2
CaNO3NH4PO4 = CaPO4NH4NO3 =>
CaNO3NH4PO4 = CaPO4NH4NO3
NaBH4 + C2H5OH = NaOH + C2BH9 =>
NaBH4 + C2H5OH = NaOH + C2BH9
C14H12Br2 + KOH = C14H10 + H2O + KBr =>
C14H12Br2 + 2 KOH = C14H10 + 2 H2O + 2 KBr
TiOSO4 + NH3 + H2O = TiO2*H2O + (NH4)2SO4 =>
TiOSO4 + 2 NH3 + 2 H2O = TiO2*H2O + (NH4)2SO4
AgNO3 + NaCl = AgCl + NaNO3 =>
AgNO3 + NaCl = AgCl + NaNO3
C2 + H2 + OH = C2H5OH =>
2 C2 + 5 H2 + 2 OH = 2 C2H5OH
NaHCO3 + H3PO4 = Na3PO4 + H2O + CO2 =>
3 NaHCO3 + H3PO4 = Na3PO4 + 3 H2O + 3 CO2
FeSO4 + K2Cr2O7 + H2S2O7 = Fe2(SO4)3 + K2SO4 + Cr2(SO4)3 + H2O =>
12 FeSO4 + 2 K2Cr2O7 + 7 H2S2O7 = 6 Fe2(SO4)3 + 2 K2SO4 + 2 Cr2(SO4)3 + 7 H2O
K2Cr2O7 + PbS + HNO3 = Cr(NO3)3 + KNO3 + Pb(NO3)2 + H2SO4 + H2O =>
4 K2Cr2O7 + 3 PbS + 38 HNO3 = 8 Cr(NO3)3 + 8 KNO3 + 3 Pb(NO3)2 + 3 H2SO4 + 16 H2O
P4(s) + O2(g) = P4O10(s) =>
P4(s) + 5 O2(g) = P4O10(s)
MnO4 + C = MnO2 + CO2 =>
MnO4 + C = MnO2 + CO2
HNO3 + Fe = Fe(NO3)3 + H2O + NO =>
4 HNO3 + Fe = Fe(NO3)3 + 2 H2O + NO
Nb2O5 + B4C + C = NbB2 + CO =>
Nb2O5 + B4C + 4 C = 2 NbB2 + 5 CO
Cu(OH)2 + H3O = H2O + Cu =>
Cu(OH)2 + 2 H3O = 4 H2O + Cu
AuNO3 + Ni = NiNO3 + Au =>
AuNO3 + Ni = NiNO3 + Au
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
Co(OH)3 + HCl + KI = KCl + CoCl2 + I2 + H2O =>
2 Co(OH)3 + 6 HCl + 2 KI = 2 KCl + 2 CoCl2 + I2 + 6 H2O
Fe(OH)3 + H3O + NO3 = Fe(NO3)3 + H2O =>
Fe(OH)3 + 3 H3O + 3 NO3 = Fe(NO3)3 + 6 H2O
Cu(NO3)2 + Na2(CO2) = Cu(CO2) + NaNO3 =>
Cu(NO3)2 + Na2(CO2) = Cu(CO2) + 2 NaNO3
Co2(SO4)3 + MnSO4 + H2O = CoSO4 + Co(MnO4)2 + H2SO4 =>
5 Co2(SO4)3 + 2 MnSO4 + 8 H2O = 9 CoSO4 + Co(MnO4)2 + 8 H2SO4
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