| Équations équilibrées la veille |
2 NaHCO3 + Ca(CH3COO)2 = 2 NaCH3COO + Ca(HCO3)2
H2CrO4 + H2O2 = H3CrO8 + H2O =>
2 H2CrO4 + 7 H2O2 = 2 H3CrO8 + 6 H2O
C(s) + H2O = H2(g) + CO2(g) =>
C(s) + 2 H2O = 2 H2(g) + CO2(g)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Ti2 + H2SO4 = TiSO4 + H2 =>
Ti2 + 2 H2SO4 = 2 TiSO4 + 2 H2
Al2(C2O4)3 = Al2O3 + CO + CO2 =>
Al2(C2O4)3 = Al2O3 + 3 CO + 3 CO2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
S8 = S =>
S8 = 8 S
MnO2 + H2O = H2MnO3 =>
MnO2 + H2O = H2MnO3
Zn + HClO4 = ZnO + HClO3 =>
Zn + HClO4 = ZnO + HClO3
C + O2 = CO =>
2 C + O2 = 2 CO
KHC4H4O6NaOH = NaHC4H4O6KOH =>
KHC4H4O6NaOH = NaHC4H4O6KOH
Ca + FeBr3 = Fe3 + CaBr =>
9 Ca + 3 FeBr3 = Fe3 + 9 CaBr
Pb(OH)2 = PbO + H2O =>
Pb(OH)2 = PbO + H2O
FeCl2 + NaCl = FeCl3 + Na =>
FeCl2 + NaCl = FeCl3 + Na
KCNS + Fe(NO3)3 = KNO3 + Fe(CNS)3 =>
3 KCNS + Fe(NO3)3 = 3 KNO3 + Fe(CNS)3
FeCl2 + H2SO4 + MnO2 = Cl2 + Fe2(SO4)3 + MnSO4 + H2O =>
2 FeCl2 + 6 H2SO4 + 3 MnO2 = 2 Cl2 + Fe2(SO4)3 + 3 MnSO4 + 6 H2O
CaSO3(s) = CaO(s) + SO2(g) =>
CaSO3(s) = CaO(s) + SO2(g)
CaCO3 + CuS = CaS + CuCO3 =>
CaCO3 + CuS = CaS + CuCO3
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl =>
CaCl2(aq) + HCl(aq) = HCl2(aq) + CaCl
NaCl + Fe(OH)3 + HCl = FeCl2 + NaClO + H2O =>
NaCl + 2 Fe(OH)3 + 4 HCl = 2 FeCl2 + NaClO + 5 H2O
Cu(SO4) + Na2S = CuS + Na2(SO4) =>
Cu(SO4) + Na2S = CuS + Na2(SO4)
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
CuZnO = ZnCuO =>
CuZnO = ZnCuO
CrBr3 + NaOH + Cl = NaBrO4 + Na2CrO4 + NaCl + H2O =>
CrBr3 + 32 NaOH + 27 Cl = 3 NaBrO4 + Na2CrO4 + 27 NaCl + 16 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AuCl4{-} + Cu = Au + Cl{-} + Cu2{+} =>
AuCl4{-} + 6 Cu = Au + 4 Cl{-} + 3 Cu2{+}
Cd(OH)2 + Na2S = CdS + NaOH =>
Cd(OH)2 + Na2S = CdS + 2 NaOH
NH4CH3CO2 + K2SO4 = (NH4)2SO4 + KCH3CO2 =>
2 NH4CH3CO2 + K2SO4 = (NH4)2SO4 + 2 KCH3CO2
Ca(NO3)2 + NH4Br = CaBr2 + NH4NO3 =>
Ca(NO3)2 + 2 NH4Br = CaBr2 + 2 NH4NO3
MnSO4 + KClO3 + KOH = K2MnO4 + KSO4 + KCl + H2O =>
6 MnSO4 + 5 KClO3 + 18 KOH = 6 K2MnO4 + 6 KSO4 + 5 KCl + 9 H2O
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
C6H5Cl + NH3 = C6H5NH2 + HCl =>
C6H5Cl + NH3 = C6H5NH2 + HCl
Na2O + KCl = NaCl + K2O =>
Na2O + 2 KCl = 2 NaCl + K2O
Hg + HCl = H2 + HgCl2 =>
Hg + 2 HCl = H2 + HgCl2
CoSO4 + KCNS = CoCNS + KSO4 =>
CoSO4 + KCNS = CoCNS + KSO4
Fe + (NO3)3 + Ca(OH)2 = Fe(OH)3 + Ca(NO3)2 =>
2 Fe + 2(NO3)3 + 3 Ca(OH)2 = 2 Fe(OH)3 + 3 Ca(NO3)2
As2O3 + AgNO3 = Ag3As2O3 + NO3 =>
As2O3 + 3 AgNO3 = Ag3As2O3 + 3 NO3
C2H5OH + CU = C2H4 + CUO + H2 =>
C2H5OH + CU = C2H4 + CUO + H2
H3PO4 + Zn + H2SO4 = ZnSO4 + PH + H2O =>
H3PO4 + 3 Zn + 3 H2SO4 = 3 ZnSO4 + PH + 4 H2O
NH + I2 = N2I6 + H2 =>
2 NH + 3 I2 = N2I6 + H2
SO2 + NaOH = H2O + Na2SO3 =>
SO2 + 2 NaOH = H2O + Na2SO3
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
SO2 + NaOH = H2O + Na2SO3 =>
SO2 + 2 NaOH = H2O + Na2SO3
Cr2O7{-2} + H{+} + {-} = Cr{+3} + H2O =>
Cr2O7{-2} + 14 H{+} + 6e = 2 Cr{+3} + 7 H2O
Na + H2SO4 = Na2SO4 + H2 =>
2 Na + H2SO4 = Na2SO4 + H2
CaCO3 + CuS = CaS + CuCO3 =>
CaCO3 + CuS = CaS + CuCO3
C + O2 = CO2 =>
C + O2 = CO2
Ti2 + H2SO4 = TiSO4 + H2 =>
Ti2 + 2 H2SO4 = 2 TiSO4 + 2 H2
CaCO3 + CuS = CaS + CuCO3 =>
CaCO3 + CuS = CaS + CuCO3
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Équations équilibrées sur11/15/24
Équations équilibrées sur12/15/23
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