| Équations équilibrées la veille |
FeZn + 4 HCl = 2 H2 + FeCl2 + ZnCl2
CoCl2(aq) + Na2SO4(aq) = CoSO4(s) + Na2Cl2(aq) =>
CoCl2(aq) + Na2SO4(aq) = CoSO4(s) + Na2Cl2(aq)
Cd(NO3)2 + CH3COOH = HNO3 + Cd(CH3COO)2 =>
Cd(NO3)2 + 2 CH3COOH = 2 HNO3 + Cd(CH3COO)2
C2H5OH + KMnO4 = K{+} + MnO2 + CH3COOH + H{+} + OH{-} =>
3 C2H5OH + 4 KMnO4 = 4 K{+} + 4 MnO2 + 3 CH3COOH + H{+} + 5 OH{-}
Zn + Ag3AsO4 + (OH){-} = AsH3 + (ZnO2){2-} + Ag + H2O =>
11 Zn + 2 Ag3AsO4 + 22(OH){-} = 2 AsH3 + 11(ZnO2){2-} + 6 Ag + 8 H2O
C57H110O6 + O2 = CO2 + H2O =>
2 C57H110O6 + 163 O2 = 114 CO2 + 110 H2O
Mn{+4} + Fe{+2} = Mn{+2} + Fe{+3} =>
Mn{+4} + 2 Fe{+2} = Mn{+2} + 2 Fe{+3}
CaCl2O6 = CaCl2 + O2 =>
CaCl2O6 = CaCl2 + 3 O2
BaCl2 + H2SO4 = BaSO4 + HCl =>
BaCl2 + H2SO4 = BaSO4 + 2 HCl
MnCl2(aq) + (NH4)2S(aq) = MnS(s) + NH4Cl(aq) =>
MnCl2(aq) + (NH4)2S(aq) = MnS(s) + 2 NH4Cl(aq)
C7H6O2 + CH4O = C8H8O2 + H2O =>
C7H6O2 + CH4O = C8H8O2 + H2O
H2CO3 + Fe = Fe2(CO3)3 + H2 =>
3 H2CO3 + 2 Fe = Fe2(CO3)3 + 3 H2
Bi(NO3)3 + NaOH = Bi(OH)3 + NaNO3 =>
Bi(NO3)3 + 3 NaOH = Bi(OH)3 + 3 NaNO3
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
Ga2(CO3)3 = Ga2O3 + CO2 =>
Ga2(CO3)3 = Ga2O3 + 3 CO2
CoBr3 + CaSO4 = CaBr2 + Co2(SO4)3 =>
2 CoBr3 + 3 CaSO4 = 3 CaBr2 + Co2(SO4)3
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
NaBr(s) + H2SO4(aq) = Na2SO4 + SO2 + Br2 + H2O =>
2 NaBr(s) + 2 H2SO4(aq) = Na2SO4 + SO2 + Br2 + 2 H2O
C4H10O + K2Cr2O7 + H2SO4 = C4H9O + K2SO4 + Cr2O3 + H2O =>
6 C4H10O + K2Cr2O7 + H2SO4 = 6 C4H9O + K2SO4 + Cr2O3 + 4 H2O
FeOCr2O3 + K2CO3 + O2 = K2CrO4 + CO2 + Fe2O3 =>
4 FeOCr2O3 + 8 K2CO3 + 7 O2 = 8 K2CrO4 + 8 CO2 + 2 Fe2O3
Cr2(SO4)3 + KBrO3 + KOH = KBr + H2CrO4 + K2SO4 + H2O =>
Cr2(SO4)3 + KBrO3 + 6 KOH = KBr + 2 H2CrO4 + 3 K2SO4 + H2O
Ga2(CO3)3 + H2S = H2CO3 + Ga2S3 =>
Ga2(CO3)3 + 3 H2S = 3 H2CO3 + Ga2S3
ZnS + CH3COONa = CH3COOZn + NaS =>
ZnS + CH3COONa = CH3COOZn + NaS
HCOONa + H2O = HCO2H + NaOH =>
HCOONa + H2O = HCO2H + NaOH
HCOH + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + HCOOH + H2O =>
3 HCOH + K2Cr2O7 + 4 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 HCOOH + 4 H2O
Mn(I)2 = Mn + I =>
Mn(I)2 = Mn + 2 I
H2SO4 + KHCO3 = K2SO4 + H2CO3 =>
H2SO4 + 2 KHCO3 = K2SO4 + 2 H2CO3
C7H6O2 + CH4O = C6H5CO2CH3 + H2O =>
C7H6O2 + CH4O = C6H5CO2CH3 + H2O
NaOH(aq) + HBrO(aq) = NaBrO(aq) + H2O(l) =>
NaOH(aq) + HBrO(aq) = NaBrO(aq) + H2O(l)
NH4Cl + H2O = NH4OH + HCl =>
NH4Cl + H2O = NH4OH + HCl
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cd(s) + N2(g) = Cd3N2 =>
3 Cd(s) + N2(g) = Cd3N2
CsOH + H2CO3 = H2O + Cs2CO3 =>
2 CsOH + H2CO3 = 2 H2O + Cs2CO3
AlC3 + F2 = AlF3 + CF4 =>
2 AlC3 + 15 F2 = 2 AlF3 + 6 CF4
Mn + AgNO3 = Ag + Mn(NO3)3 =>
Mn + 3 AgNO3 = 3 Ag + Mn(NO3)3
CaO + AlC3 = CaC2 + Al2O3 =>
3 CaO + 2 AlC3 = 3 CaC2 + Al2O3
KNO3 + Zn + H2SO4 = ZnSO4 + N2H8SO4 + K2SO4 + H2O =>
2 KNO3 + 8 Zn + 10 H2SO4 = 8 ZnSO4 + N2H8SO4 + K2SO4 + 6 H2O
C3H7COOH + H2O = C3H7COO{-} + H3O{+} =>
C3H7COOH + H2O = C3H7COO{-} + H3O{+}
Sc2O3 + Cl2 + S2Cl2 = ScCl3 + SOCl2 =>
2 Sc2O3 + 9 Cl2 + 3 S2Cl2 = 4 ScCl3 + 6 SOCl2
COCl2 + H2O = HCl + CO2 =>
COCl2 + H2O = 2 HCl + CO2
FeS + HBr = FeBr2 + H2S =>
FeS + 2 HBr = FeBr2 + H2S
Al2O3(s) + NaOH(l) + H2O(l) = Na3Al(OH)6 =>
Al2O3(s) + 6 NaOH(l) + 3 H2O(l) = 2 Na3Al(OH)6
Zn2 + S2 = ZnS =>
Zn2 + S2 = 2 ZnS
*2HCl + *4NaOH = NaCl + H2O =>
2*2HCl + *4NaOH = 4 NaCl + 4 H2O
FePO4 + Na2SO4 = Fe2(SO4)3 + Na3PO4 =>
2 FePO4 + 3 Na2SO4 = Fe2(SO4)3 + 2 Na3PO4
Sb(NO3)5 + NH4OH = Sb(OH)5 + NH4(NO3) =>
Sb(NO3)5 + 5 NH4OH = Sb(OH)5 + 5 NH4(NO3)
C6H6N4O4 + C5H10O = C11H14N4O4 + H2O =>
C6H6N4O4 + C5H10O = C11H14N4O4 + H2O
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
HBr(aq) = H2(g) + Br2(aq) =>
2 HBr(aq) = H2(g) + Br2(aq)
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
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