| Équations équilibrées la veille |
2 CrCl3 + 64 NaOH + 27 I2 = 2 Na2CrO4 + 6 NaClO4 + 54 NaI + 32 H2O
NaF + Ba(NO3)2 = BaF2 + Na(NO3) =>
2 NaF + Ba(NO3)2 = BaF2 + 2 Na(NO3)
CH3NH3CH3COO + NaOH = CH3NH2 + CH3COONa + H2O =>
CH3NH3CH3COO + NaOH = CH3NH2 + CH3COONa + H2O
Hg2{+2} + F{-} = Hg2F2 =>
Hg2{+2} + 2 F{-} = Hg2F2
CaFe2Si2O8 + CaCO3 = Ca2SiO4 + Ca3(FeO3)2 + CO2 =>
CaFe2Si2O8 + 6 CaCO3 = 2 Ca2SiO4 + Ca3(FeO3)2 + 6 CO2
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + NaCl(aq) =>
BaCl2(aq) + Na2SO4(aq) = BaSO4(s) + 2 NaCl(aq)
Fe(NO3)3 + NiCrO4 = Fe2(CrO4)3 + Ni(NO3)2 =>
2 Fe(NO3)3 + 3 NiCrO4 = Fe2(CrO4)3 + 3 Ni(NO3)2
PoO3 + H2O = H2PoO4 =>
PoO3 + H2O = H2PoO4
HCl + Mg(HCO3)2 = CO2 + H2O + MgCl2 =>
2 HCl + Mg(HCO3)2 = 2 CO2 + 2 H2O + MgCl2
KClO4 + KCl = KClO3 =>
3 KClO4 + KCl = 4 KClO3
Al(s) + NaOH(aq) = Na3AlO3(aq) + H2(g) =>
2 Al(s) + 6 NaOH(aq) = 2 Na3AlO3(aq) + 3 H2(g)
LiBr + CaSO4 = LiSO4 + BrCa =>
LiBr + CaSO4 = LiSO4 + BrCa
FeO + ZnO = ZnFeO2 =>
FeO + ZnO = ZnFeO2
C2H5NO2 + CH2O = C3H7NO3 =>
C2H5NO2 + CH2O = C3H7NO3
C9H20 = C9H18 + H2 =>
C9H20 = C9H18 + H2
H2C4H2O4(aq) + H2O(l) = HC4H2O4(aq) + H3O(aq) =>
H2C4H2O4(aq) + H2O(l) = HC4H2O4(aq) + H3O(aq)
MnO2 + HCl = MnCl2 + H2O + Cl2 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl2
KIO3 + KI + HCl = KCl + I2 + H2O =>
KIO3 + 5 KI + 6 HCl = 6 KCl + 3 I2 + 3 H2O
Pb + N + O = Pb(NO3)2 =>
Pb + 2 N + 6 O = Pb(NO3)2
P4 + F2 = PF5 =>
P4 + 10 F2 = 4 PF5
H2SO4 + RbI = HI + Rb2SO4 =>
H2SO4 + 2 RbI = 2 HI + Rb2SO4
Zn(s) + CuSO = ZnSO + Cu =>
Zn(s) + CuSO = ZnSO + Cu
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
NaBr + H2SO4 = NaHSO4 + SO2 + Br2 + H2O =>
2 NaBr + 3 H2SO4 = 2 NaHSO4 + SO2 + Br2 + 2 H2O
Cr{3+} + ClO3{-} + H2O = ClO2 + Cr2O7{2-} + H{+} =>
2 Cr{3+} + 6 ClO3{-} + H2O = 6 ClO2 + Cr2O7{2-} + 2 H{+}
H2CrO4 + K2CO3 = K2CrO4 + H2O + CO2 =>
H2CrO4 + K2CO3 = K2CrO4 + H2O + CO2
BF3 + Li2SO3 = B2(SO3)3 + LiF =>
2 BF3 + 3 Li2SO3 = B2(SO3)3 + 6 LiF
Mg(s) + Br(l) = MgBr2 =>
Mg(s) + 2 Br(l) = MgBr2
C6H4(COOH) + NaHCO3 = C6H4(COONa) + CO2 + H2O =>
C6H4(COOH) + NaHCO3 = C6H4(COONa) + CO2 + H2O
Cu + SO2 = Cu2O + Cu2S =>
6 Cu + SO2 = 2 Cu2O + Cu2S
CH2OHCH2CH2CH3 + Na = CH2ONaCH2CH2CH3 + H2 =>
2 CH2OHCH2CH2CH3 + 2 Na = 2 CH2ONaCH2CH2CH3 + H2
Fe2(CO3)3(s) = Fe2(s)O3(s) + CO2(g) =>
Fe2(CO3)3(s) = Fe2(s)O3(s) + 3 CO2(g)
Ai + H2O = Ai(OH)3 + H2 =>
2 Ai + 6 H2O = 2 Ai(OH)3 + 3 H2
KCuCl3 + H2O = K2CuCl4*2H2O + CuCl2*2H2O =>
2 KCuCl3 + 4 H2O = K2CuCl4*2H2O + CuCl2*2H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuO + H2 = Cu + H2O =>
CuO + H2 = Cu + H2O
HNO3 + CdS = Cd(NO3)2 + NO + S + H2O =>
8 HNO3 + 3 CdS = 3 Cd(NO3)2 + 2 NO + 3 S + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
CuS + O = CuO + SO2 =>
CuS + 3 O = CuO + SO2
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H2SO4 + Ni3OH = Ni3 + SO4 + H2O =>
H2SO4 + 2 Ni3OH = 2 Ni3 + SO4 + 2 H2O
HCOOH + Ca(OH)2 = Ca(HCOO)2 + H2O =>
2 HCOOH + Ca(OH)2 = Ca(HCOO)2 + 2 H2O
CuZn4 + H2SO4 = ZnSO4 + H2 + Cu =>
CuZn4 + 4 H2SO4 = 4 ZnSO4 + 4 H2 + Cu
K3N + CaS = K2S + Ca + N2 =>
2 K3N + 3 CaS = 3 K2S + 3 Ca + N2
CrBr2 = Cr + Br2 =>
CrBr2 = Cr + Br2
Fe + K3PO4 = FePO4 + K =>
Fe + K3PO4 = FePO4 + 3 K
S + Cl = SCl6 =>
S + 6 Cl = SCl6
CH3NH2 + CuO = Cu + CO2 + N2 + H2O =>
2 CH3NH2 + 9 CuO = 9 Cu + 2 CO2 + N2 + 5 H2O
Pb + (NO3)2 + KI = PbI2 + K(NO3)2 =>
Pb + 2(NO3)2 + 2 KI = PbI2 + 2 K(NO3)2
Ca3(PO4)2 + SiO2 + C = P4 + CaSiO3 + CO3 =>
6 Ca3(PO4)2 + 18 SiO2 + 10 C = 3 P4 + 18 CaSiO3 + 10 CO3
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Équations équilibrées sur12/15/24
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