| Équations équilibrées la veille |
NaCIO4 = NaCI + 2 O2
FeS + Cr2O7{2-} + H{+} = S2O3{2-} + Cr{3+} + Fe{3+} + H2O =>
6 FeS + 5 Cr2O7{2-} + 52 H{+} = 3 S2O3{2-} + 10 Cr{3+} + 6 Fe{3+} + 26 H2O
S2 + H2O = SO2 + H2 =>
S2 + 4 H2O = 2 SO2 + 4 H2
FeCl3 + Zn(s) = Fe(s) + ZnCl2(aq) =>
2 FeCl3 + 3 Zn(s) = 2 Fe(s) + 3 ZnCl2(aq)
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
Li20 + ZnO = LiZnO =>
Li20 + 20 ZnO = 20 LiZnO
Ca3(PO4)2 + H2SO4 + H2O = Ca(H2PO4)2 + CaSO4*H2O =>
Ca3(PO4)2 + 2 H2SO4 + 2 H2O = Ca(H2PO4)2 + 2 CaSO4*H2O
Na(Al(OH)4) + HNO3 = NaNO3 + Al(NO3)3 + H2O =>
Na(Al(OH)4) + 4 HNO3 = NaNO3 + Al(NO3)3 + 4 H2O
Se + BrF5 = SeF6 + BrF3 =>
Se + 3 BrF5 = SeF6 + 3 BrF3
NaBH4 + CH3OH = NaBOCH3 + H2 =>
2 NaBH4 + 2 CH3OH = 2 NaBOCH3 + 5 H2
Co(NO3)2 + NaHCO3 = CoHCO3 + Na(NO3)2 =>
Co(NO3)2 + NaHCO3 = CoHCO3 + Na(NO3)2
Co + HBr = CoBr3 + H2 =>
2 Co + 6 HBr = 2 CoBr3 + 3 H2
CH3CH2CH3 + Br2 = CH3CHBrCH3 + HBr =>
CH3CH2CH3 + Br2 = CH3CHBrCH3 + HBr
Hf + Br2 = HfBr4 =>
Hf + 2 Br2 = HfBr4
CuBr2 + Na2SO4 = CuSO4 + NaBr =>
CuBr2 + Na2SO4 = CuSO4 + 2 NaBr
FeSO4*7H2O + C2H2O4*2H2O = FeC2O4*2H2O + H2SO4 + H2O =>
FeSO4*7H2O + C2H2O4*2H2O = FeC2O4*2H2O + H2SO4 + 7 H2O
CS2 + NaOH = Na2CS3 + Na2CO3 + H2O =>
3 CS2 + 6 NaOH = 2 Na2CS3 + Na2CO3 + 3 H2O
H2CO3 + NH4OH = (NH4)2CO3 + HOH =>
H2CO3 + 2 NH4OH = (NH4)2CO3 + 2 HOH
Na2CO3(s) + HC2H3O2(aq) = CO2(g) + H2O(l) + NaC2H3O2(s) =>
Na2CO3(s) + 2 HC2H3O2(aq) = CO2(g) + H2O(l) + 2 NaC2H3O2(s)
C10H16 + KMnO4 + H2O = C10O2H18 + KOH + MnO2 =>
3 C10H16 + 2 KMnO4 + 4 H2O = 3 C10O2H18 + 2 KOH + 2 MnO2
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Ca(CH3COO)2 + Na2CO3 = CaCO3 + CH3COONa =>
Ca(CH3COO)2 + Na2CO3 = CaCO3 + 2 CH3COONa
NaVO3 + Na2SO3 + H2SO4 = VOSO4 + Na2SO4 + H2O =>
2 NaVO3 + Na2SO3 + 3 H2SO4 = 2 VOSO4 + 2 Na2SO4 + 3 H2O
SF6 + H2 = HF + S2 =>
2 SF6 + 6 H2 = 12 HF + S2
Na + ClO3 = NaCl + O2 =>
2 Na + 2 ClO3 = 2 NaCl + 3 O2
Cr(OH)3 + Na2O = NaCrO2 + H2O =>
2 Cr(OH)3 + Na2O = 2 NaCrO2 + 3 H2O
CH3COOH + CH3(CH2)7OH = C10H20O + H2O =>
4 CH3COOH + 9 CH3(CH2)7OH = 8 C10H20O + 9 H2O
KF + H2SO4 = KHSO4 + HF =>
KF + H2SO4 = KHSO4 + HF
Pb(NO3)2 + Na2S = PbS2 + Na2NO3 =>
Pb(NO3)2 + 2 Na2S = PbS2 + 2 Na2NO3
CuS + O = CuO + SO =>
CuS + 2 O = CuO + SO
Cu + HI = CuI2 + H2 =>
Cu + 2 HI = CuI2 + H2
HCOOH + Al(OH)3 = Al(COOH)3 + H2O =>
3 HCOOH + Al(OH)3 = Al(COOH)3 + 3 H2O
Fe + NaClO3 = Fe(ClO3)2 + Na =>
Fe + 2 NaClO3 = Fe(ClO3)2 + 2 Na
Fe2O3 + SO2 = FeS2 + O2 =>
2 Fe2O3 + 8 SO2 = 4 FeS2 + 11 O2
NaCl(s) + H2SO4(aq) = Na2SO4(aq) + HCl =>
2 NaCl(s) + H2SO4(aq) = Na2SO4(aq) + 2 HCl
Pd + O2 = PdO =>
2 Pd + O2 = 2 PdO
Zn + KNO2 + KOH = K2ZnO2 + NH3 + H2O =>
3 Zn + KNO2 + 5 KOH = 3 K2ZnO2 + NH3 + H2O
Pd + Cl2 = PdCl3 =>
2 Pd + 3 Cl2 = 2 PdCl3
MoO2 + XeF2 = MoF + Xe + O2 =>
2 MoO2 + XeF2 = 2 MoF + Xe + 2 O2
Na2B4O7*10H2O + NaOH + H2O2 = NaBO3*4H2O + NaO2H =>
Na2B4O7*10H2O + 3 NaOH + 5 H2O2 = 4 NaBO3*4H2O + NaO2H
Cu + HCl(aq) = CuCl + H2 =>
2 Cu + 2 HCl(aq) = 2 CuCl + H2
FeSO4 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + K2SO4 =>
2 FeSO4 + K4[Fe(CN)6] = Fe2[Fe(CN)6] + 2 K2SO4
SnS + H2O2 + OH{-} = Sn(OH)6{2-} + SO4{2-} + H2O =>
SnS + 5 H2O2 + 4 OH{-} = Sn(OH)6{2-} + SO4{2-} + 4 H2O
Zn + CO2 = ZnCO2 =>
Zn + CO2 = ZnCO2
Cu + P4 = CuP =>
4 Cu + P4 = 4 CuP
C9H10O + CH3NH2 = C10H15NO =>
C9H10O + CH3NH2 = C10H15NO
N2 + H2SO4 = NO2 + H2SO3 =>
N2 + 4 H2SO4 = 2 NO2 + 4 H2SO3
Fe2(CO3)3 + Na2SO4 = Fe2(SO4)3 + Na2CO3 =>
Fe2(CO3)3 + 3 Na2SO4 = Fe2(SO4)3 + 3 Na2CO3
FeCl2 + H2O + Cl2 = FeO(OH) + HCl =>
2 FeCl2 + 4 H2O + Cl2 = 2 FeO(OH) + 6 HCl
N2 + H2SO4 = NH4 + SO2 + NO2 =>
3 N2 + 4 H2SO4 = 2 NH4 + 4 SO2 + 4 NO2
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