| Équations équilibrées la veille |
3 NaNO2 + H2SO4 = H2O + 2 NO + Na2SO4 + NaNO3
KMnO4 + KI + CH3COOH = I2 + Mn(CH3COO)2 + CH3COOK + H2O =>
2 KMnO4 + 10 KI + 16 CH3COOH = 5 I2 + 2 Mn(CH3COO)2 + 12 CH3COOK + 8 H2O
HBr + KHCO3 = H2O + KBr + CO2 =>
HBr + KHCO3 = H2O + KBr + CO2
HNO3 + Li = LiNO3 + NH3 + H2O =>
9 HNO3 + 8 Li = 8 LiNO3 + NH3 + 3 H2O
Al2S3 + Ca(OH)2 = Al(OH)3 + Ca2S2 =>
2 Al2S3 + 6 Ca(OH)2 = 4 Al(OH)3 + 3 Ca2S2
Ag(NO3) + Ba(OH)2 = Ag(OH)2 + Ba(NO3) =>
Ag(NO3) + Ba(OH)2 = Ag(OH)2 + Ba(NO3)
Cu + HCl + Fe(NO3)3 = CuCl2 + FeCl + H2O + NO2 =>
5 Cu + 12 HCl + 2 Fe(NO3)3 = 5 CuCl2 + 2 FeCl + 6 H2O + 6 NO2
SO32{-} + NO31{-} = SO42{-} + NO2{-} =>
29 SO32{-} + 10 NO31{-} = 29 SO42{-} + 10 NO2{-}
C + O2 + N + H = H2NCH2COOH =>
2 C + O2 + N + 5 H = H2NCH2COOH
Ca + H2O = (Ca(OH)2) + H2 =>
Ca + 2 H2O = (Ca(OH)2) + H2
H{+} + As2S3 + NO3{-} = AsO4{-3} + S + NO2 + H2O =>
4 H{+} + As2S3 + 10 NO3{-} = 2 AsO4{-3} + 3 S + 10 NO2 + 2 H2O
C2H5OH + Cl2 = CCl3CH(OH)(OC2H5) + HCl =>
2 C2H5OH + 4 Cl2 = CCl3CH(OH)(OC2H5) + 5 HCl
H2SO4 + F2 = SF6 + H2O + O3 =>
H2SO4 + 3 F2 = SF6 + H2O + O3
Ca + Pb(NO3)2 = Pb + Ca(NO3)3(s) =>
2 Ca + 3 Pb(NO3)2 = 3 Pb + 2 Ca(NO3)3(s)
C15H31COOH + Na = NaC15H31COO + H2 =>
2 C15H31COOH + 2 Na = 2 NaC15H31COO + H2
Li(NH3)4 + NF3 = LiF + HF + N2 =>
6 Li(NH3)4 + 26 NF3 = 6 LiF + 72 HF + 25 N2
P4 + MnO4{-} = PO4{3-} + Mn{2+} =>
P4 + 4 MnO4{-} = 4 PO4{3-} + 4 Mn{2+}
KMnO4 + Al = K2O + MnO2 + Al2O3 =>
2 KMnO4 + 2 Al = K2O + 2 MnO2 + Al2O3
CH2OH + K2Cr2O7 + H2SO4 = COOH + Cr2SO4 + K2SO4 + H2O =>
5 CH2OH + 2 K2Cr2O7 + 4 H2SO4 = 5 COOH + 2 Cr2SO4 + 2 K2SO4 + 9 H2O
Ca(MnO4)2 = Ca + MnO4 =>
Ca(MnO4)2 = Ca + 2 MnO4
H3PO4 + CaO2H2 = CaH4 + P2O8 + H2O =>
2 H3PO4 + CaO2H2 = CaH4 + P2O8 + 2 H2O
HLO3 + P + H2O = HL + H3PO4 =>
5 HLO3 + 6 P + 9 H2O = 5 HL + 6 H3PO4
(CH3CH2)2O + SnCl2 = (CH3CH2)2Cl2 + SnO =>
(CH3CH2)2O + SnCl2 = (CH3CH2)2Cl2 + SnO
K2S + HgClO3 = KClO3 + Hg2S =>
K2S + 2 HgClO3 = 2 KClO3 + Hg2S
H2SiO3 + CH3COOK = CH3COOH + K2SiO3 =>
H2SiO3 + 2 CH3COOK = 2 CH3COOH + K2SiO3
N2O5 + NaOH = NNaO3 + H2O =>
N2O5 + 2 NaOH = 2 NNaO3 + H2O
NaAsO4 + HBr = NaAsO3 + HBrO3 =>
3 NaAsO4 + HBr = 3 NaAsO3 + HBrO3
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + H2O =>
(NH4)2Cr2O7(s) = Cr2O3(s) + N2(g) + 4 H2O
Eu15Mo6P12O48 = MoP + EuPO4 + Eu4P3O12 + Eu2Mo2O7 =>
5 Eu15Mo6P12O48 = 14 MoP + 7 EuPO4 + 13 Eu4P3O12 + 8 Eu2Mo2O7
C2O42{-}(aq) + H2SO4(aq) = H2C2O4(aq) + SO42{-}(aq) =>
C2O42{-}(aq) + H2SO4(aq) = H2C2O4(aq) + SO42{-}(aq)
HF + Al = H + AlF3 =>
3 HF + Al = 3 H + AlF3
Cu + H{+} = H2 + Cu{+2} =>
Cu + 2 H{+} = H2 + Cu{+2}
Al + KNO + KOH + H2O = NH3 + KAlO2 =>
4 Al + 3 KNO + KOH + 4 H2O = 3 NH3 + 4 KAlO2
LiHCO3 = LiCHO3 =>
LiHCO3 = LiCHO3
KMnO4 + KI + H2O = MnI4 + I2 + KOH =>
2 KMnO4 + 14 KI + 8 H2O = 2 MnI4 + 3 I2 + 16 KOH
H3 + C = H6C4 =>
2 H3 + 4 C = H6C4
CuO + K2SO4 = CuSO4 + K2O =>
CuO + K2SO4 = CuSO4 + K2O
C6H8O2 + O = H2O + CO2 =>
C6H8O2 + 14 O = 4 H2O + 6 CO2
CH3NH3H2O = CH3NH2H3O =>
CH3NH3H2O = CH3NH2H3O
NaNO2 + KMnO4 + H2SO4 = K2SO4 + H2O + NaNO3 + MnSO4 =>
5 NaNO2 + 2 KMnO4 + 3 H2SO4 = K2SO4 + 3 H2O + 5 NaNO3 + 2 MnSO4
FeClNaOH = FeOHNaCl =>
FeClNaOH = FeOHNaCl
C6H5CH2Br + O2 = CO2 + H2O + HBr =>
2 C6H5CH2Br + 17 O2 = 14 CO2 + 6 H2O + 2 HBr
KMnO4 + SbCl3 + HCl = Mn2O3 + SbCl5 + KCl + H2O =>
2 KMnO4 + 4 SbCl3 + 10 HCl = Mn2O3 + 4 SbCl5 + 2 KCl + 5 H2O
NaOH + Al + H2O = AlNa2O4 + H =>
2 NaOH + Al + 2 H2O = AlNa2O4 + 6 H
NaBBH4 + H2SO4 = H2 + Na2SO4 + B2H =>
2 NaBBH4 + H2SO4 = 4 H2 + Na2SO4 + 2 B2H
H3PO2 + H2O + I = H3PO4 + HI =>
H3PO2 + 2 H2O + 4 I = H3PO4 + 4 HI
HO2 = H2 + O2 =>
2 HO2 = H2 + 2 O2
Ca(NO3)2 + (NH4)2HPO4 + NH4OH = Ca10(PO4)6(OH)2 + NH4NO3 + H2O =>
10 Ca(NO3)2 + 6(NH4)2HPO4 + 8 NH4OH = Ca10(PO4)6(OH)2 + 20 NH4NO3 + 6 H2O
Sm5TaP5O20 = Sm15TaP12O48 + SmPO4 + SmTa2O6 + P4 =>
52 Sm5TaP5O20 = 4 Sm15TaP12O48 + 176 SmPO4 + 24 SmTa2O6 + 9 P4
FeI2 = Fe2 + I =>
2 FeI2 = Fe2 + 4 I
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