| Équations équilibrées la veille |
3 C2H5OH + 2 CrO3 = 3 C2H3OH + Cr2O3 + 3 H2O
Na2SO4 + HCl = SO2 + H2O + NaCl + O2 =>
2 Na2SO4 + 4 HCl = 2 SO2 + 2 H2O + 4 NaCl + O2
MnCO3 + H3PO4 = Mn(H2PO4)2 + H2O + CO2 =>
MnCO3 + 2 H3PO4 = Mn(H2PO4)2 + H2O + CO2
K2CO3 + HI = KI + KHCO3 =>
K2CO3 + HI = KI + KHCO3
Na2SO3 + O2 = Na2 + SO4 =>
2 Na2SO3 + O2 = 2 Na2 + 2 SO4
HBrO4 + Au(OH) = Au(BrO4) + H2O =>
HBrO4 + Au(OH) = Au(BrO4) + H2O
Co2 + Li = Li2Co3 =>
3 Co2 + 4 Li = 2 Li2Co3
Cl + Zn = ZnCl2 =>
2 Cl + Zn = ZnCl2
Li3PO4 + Zn(NO3)2 = Zn3(PO4) + Li(NO3)2 =>
Li3PO4 + 3 Zn(NO3)2 = Zn3(PO4) + 3 Li(NO3)2
MnO2 + KOH + K2MnO4 = K3MnO4 + H2O =>
MnO2 + 4 KOH + K2MnO4 = 2 K3MnO4 + 2 H2O
Na2SO4(aq) + Ba(OH)2(aq) = BaSO4(s) + NaOH(aq) =>
Na2SO4(aq) + Ba(OH)2(aq) = BaSO4(s) + 2 NaOH(aq)
I2 + HCl + KClO3 = KCl + ICl3 + H2O =>
I2 + 6 HCl + KClO3 = KCl + 2 ICl3 + 3 H2O
NaOH + HCl = NaCl + H2 + O2 =>
2 NaOH + 2 HCl = 2 NaCl + 2 H2 + O2
Na2O + H2PO4 = Na2PO4 + H2O =>
Na2O + H2PO4 = Na2PO4 + H2O
FeCl2 + H2O = HCl + Fe2O3 + H2 =>
2 FeCl2 + 3 H2O = 4 HCl + Fe2O3 + H2
KIO3 + Na2S2O3 + KI + HCl = I2 + KS2O3 + NaCl + H2O =>
2 KIO3 + 6 Na2S2O3 + 4 KI + 12 HCl = 3 I2 + 6 KS2O3 + 12 NaCl + 6 H2O
NaSn + CH2O = CNaSn + H2O =>
NaSn + CH2O = CNaSn + H2O
NH3 + KClO4 = N2 + H2O + KCl =>
8 NH3 + 3 KClO4 = 4 N2 + 12 H2O + 3 KCl
Al + (O)2 = (Al)2(O)2 =>
2 Al + (O)2 = (Al)2(O)2
Na3[Cr(OH)6] + FeCl3 = NaCl + Fe(OH)3 + Cr(OH)3 =>
Na3[Cr(OH)6] + FeCl3 = 3 NaCl + Fe(OH)3 + Cr(OH)3
BaCl2 + SO3 + H2O = BaSO4 + HCl =>
BaCl2 + SO3 + H2O = BaSO4 + 2 HCl
Ba(NO3)2 + LiI = BaI2 + LiNO3 =>
Ba(NO3)2 + 2 LiI = BaI2 + 2 LiNO3
Pb(CH3COO)2 + K2S = PbS + KCH3COO =>
Pb(CH3COO)2 + K2S = PbS + 2 KCH3COO
K2CrO4 + KOH + H[SnCl3] + H2O = K[Cr(OH)4] + K3[Sn(OH)6] + KCl =>
K2CrO4 + 17 KOH + 3 H[SnCl3] + H2O = K[Cr(OH)4] + 3 K3[Sn(OH)6] + 9 KCl
CaC2 + O2 = Ca + CO2 =>
CaC2 + 2 O2 = Ca + 2 CO2
Fe2O3 + H2 = Fe + HOH =>
Fe2O3 + 3 H2 = 2 Fe + 3 HOH
F2 + Li = LiF =>
F2 + 2 Li = 2 LiF
K(OH)2 = K + OH =>
K(OH)2 = K + 2 OH
Cu + CH3COOH = CuH2 + CH3COO =>
Cu + 2 CH3COOH = CuH2 + 2 CH3COO
CaCl2 + NaHCO3 + H2O = NaCl + H2CO3 + Ca(OH)2 =>
CaCl2 + 2 NaHCO3 + 2 H2O = 2 NaCl + 2 H2CO3 + Ca(OH)2
LiC6H5O7 + Mn(C6H5O7)2 + O2 = LiMn2O4 + CO2 + H2O =>
4 LiC6H5O7 + 8 Mn(C6H5O7)2 + 83 O2 = 4 LiMn2O4 + 120 CO2 + 50 H2O
Pb(ClO3)2(aq) + NaI(aq) = PbI2(aq) + NaClO3(aq) =>
Pb(ClO3)2(aq) + 2 NaI(aq) = PbI2(aq) + 2 NaClO3(aq)
KMnO4 + H2SO4 + H2C2O4 = K2SO4 + Mn2SO4 + H2O + CO2 =>
2 KMnO4 + 2 H2SO4 + 6 H2C2O4 = K2SO4 + Mn2SO4 + 8 H2O + 12 CO2
NH4OH + LiSO4 = NH4SO4 + LiOH =>
NH4OH + LiSO4 = NH4SO4 + LiOH
Al(CH3COO)3 + HOH = Al(OH)3 + CH3COOH =>
Al(CH3COO)3 + 3 HOH = Al(OH)3 + 3 CH3COOH
Mg(OH)2 + S + O2 = MgSO3 + H2O =>
Mg(OH)2 + S + O2 = MgSO3 + H2O
KOH + H2PO4{-} = H2O + K2PO4{-} =>
2 KOH + H2PO4{-} = 2 H2O + K2PO4{-}
CH3CO2H + Na2CO3 = H2O + CO2 + CH3COONa =>
2 CH3CO2H + Na2CO3 = H2O + CO2 + 2 CH3COONa
KI + HCl + K2CrO4 = CrCl3 + KCl + I + H2O =>
3 KI + 8 HCl + K2CrO4 = CrCl3 + 5 KCl + 3 I + 4 H2O
Na2S2O5 + KClO3 + H2O = NaHSO4 + KCl =>
3 Na2S2O5 + 2 KClO3 + 3 H2O = 6 NaHSO4 + 2 KCl
CuCl3 + Ag(NO3)2 = AgCl3 + Cu(NO3)2 =>
CuCl3 + Ag(NO3)2 = AgCl3 + Cu(NO3)2
HI + KI + O2 = KI3 + H2O =>
4 HI + 2 KI + O2 = 2 KI3 + 2 H2O
Ni(OH)2 + Br2 + NaOH = NiO(OH) + NaBr + H2O =>
2 Ni(OH)2 + Br2 + 2 NaOH = 2 NiO(OH) + 2 NaBr + 2 H2O
Cu(OH)2 + CH3COOH = (CH3COO)2Cu + HOH =>
Cu(OH)2 + 2 CH3COOH = (CH3COO)2Cu + 2 HOH
NaOH + KHP = NaHP + KOH =>
NaOH + KHP = NaHP + KOH
ZnS + NH3 = Zn(NH3) + S =>
ZnS + NH3 = Zn(NH3) + S
C4H10 + Br = C4H9 + HBr =>
C4H10 + Br = C4H9 + HBr
Fe(OH)3NaOH = Na(Fe(OH)4) =>
Fe(OH)3NaOH = Na(Fe(OH)4)
Zn{2+} + OH{-} = Zn(OH)4{2-} =>
Zn{2+} + 4 OH{-} = Zn(OH)4{2-}
ZnCO3 + H2SO4 = H2O + CO2 + ZnSO4 =>
ZnCO3 + H2SO4 = H2O + CO2 + ZnSO4
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