| Équations équilibrées la veille |
C6H6 + 3 H2 = C6H12
Cs2O2 + H2O = CsOH + O2 =>
2 Cs2O2 + 2 H2O = 4 CsOH + O2
Ba(NO3)2 + SO4{2-} = BaSO4 + NO3{-} =>
Ba(NO3)2 + SO4{2-} = BaSO4 + 2 NO3{-}
Cr(H2O)4 + OH = Cr(H2O)(OH)2 + H2O =>
Cr(H2O)4 + 2 OH = Cr(H2O)(OH)2 + 3 H2O
H3PO4 + HY = H3PO3 + Y2 + H2O =>
H3PO4 + 2 HY = H3PO3 + Y2 + H2O
Ca(NO2)2 + KMnO4 + H2SO4 = Ca(NO3)2 + K2SO4 + H2O + MnSO4 =>
5 Ca(NO2)2 + 4 KMnO4 + 6 H2SO4 = 5 Ca(NO3)2 + 2 K2SO4 + 6 H2O + 4 MnSO4
Na2S2O3 + H2SO4 = Na2SO4 + S + H2O =>
3 Na2S2O3 + H2SO4 = 3 Na2SO4 + 4 S + H2O
Ag2O + SiO2 = Ag2SiO3 =>
Ag2O + SiO2 = Ag2SiO3
NH3 + H2S = (NH3)H2S =>
NH3 + H2S = (NH3)H2S
Ne + HCl = NeCl2 + H2 =>
Ne + 2 HCl = NeCl2 + H2
Fe2(SO4)3 + KSCN = K2SO4 + Fe(SCN)3 =>
Fe2(SO4)3 + 6 KSCN = 3 K2SO4 + 2 Fe(SCN)3
PbCl2 + H2O = Pb(OH)2 + HCl =>
PbCl2 + 2 H2O = Pb(OH)2 + 2 HCl
Cl2 + SO2 = ClO2 + S2 =>
Cl2 + 2 SO2 = 2 ClO2 + S2
(CH3)2NNH2 + O2 = CO2 + H2O + N2 =>
(CH3)2NNH2 + 4 O2 = 2 CO2 + 4 H2O + N2
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq) =>
HCl(aq) + NH4OH(aq) = H2O(l) + NH4Cl(aq)
Ni(NO3)2 + FeBr3 = NiBr3 + Fe(NO3)2 =>
Ni(NO3)2 + FeBr3 = NiBr3 + Fe(NO3)2
Cu + S2 = Cu2S =>
4 Cu + S2 = 2 Cu2S
NaHCO3 + CH3CH(OH)COOH = CH3CH(OH)COONa + CO2 + H2O =>
NaHCO3 + CH3CH(OH)COOH = CH3CH(OH)COONa + CO2 + H2O
CaCO3 + C2H4O2 = CO2 + H2O + C2H3Ca =>
8 CaCO3 + 13 C2H4O2 = 18 CO2 + 14 H2O + 8 C2H3Ca
Fe(NH4)2(SO4)2*6H2O + H2C2O4 + K2C2O4 + H2O2 = KFe(C2O4)2*2H2O + (NH4)2SO4 + H2SO4 + H2O =>
2 Fe(NH4)2(SO4)2*6H2O + 3 H2C2O4 + K2C2O4 + H2O2 = 2 KFe(C2O4)2*2H2O + 2(NH4)2SO4 + 2 H2SO4 + 10 H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
NaHCO3(aq) + HBr(aq) = NaBr(aq) + H2CO3(s) =>
NaHCO3(aq) + HBr(aq) = NaBr(aq) + H2CO3(s)
K2Cr2O7 + H2O + S = KOH + Cr2O + SO =>
K2Cr2O7 + H2O + 5 S = 2 KOH + Cr2O + 5 SO
Ag2S + NaCN + O2 = NaAg(CN)2 + Na2SO4 =>
Ag2S + 4 NaCN + 2 O2 = 2 NaAg(CN)2 + Na2SO4
Ca + P = Ca3P =>
3 Ca + P = Ca3P
VO2{+} + S2O3{2-} + H{+} = VO{2+} + S4O6{2-} + H2O =>
2 VO2{+} + 2 S2O3{2-} + 4 H{+} = 2 VO{2+} + S4O6{2-} + 2 H2O
C2H5COOCH3 + NaOH = CH3COONa + C2H5OH =>
C2H5COOCH3 + NaOH = CH3COONa + C2H5OH
Ag2O + SiO2 = Ag2SiO3 =>
Ag2O + SiO2 = Ag2SiO3
PF2I + Hg = P2F4 + Hg2I2 =>
2 PF2I + 2 Hg = P2F4 + Hg2I2
C2H2(g) = C6H6(g) =>
3 C2H2(g) = C6H6(g)
Na2Co3 + Ca(OH)2 = CaCo3 + NaOH =>
Na2Co3 + Ca(OH)2 = CaCo3 + 2 NaOH
[Sn(OH)4]{2-} + OH{-} = [Sn(OH)6]{4-} =>
[Sn(OH)4]{2-} + 2 OH{-} = [Sn(OH)6]{4-}
CdCO3 + HCl = CO2 + CdCl2 + H2O =>
CdCO3 + 2 HCl = CO2 + CdCl2 + H2O
S2O4{2-} + OH{-} = SO3{2-} + S2O3{2-} + H2O =>
2 S2O4{2-} + 2 OH{-} = 2 SO3{2-} + S2O3{2-} + H2O
MgCl2 + H2SO4 = Mg(SO4) + HCl =>
MgCl2 + H2SO4 = Mg(SO4) + 2 HCl
Fe(OH)2 + KCIO3 + H2SO4 = KCI + Fe2(SO4)3 + H2O =>
6 Fe(OH)2 + KCIO3 + 9 H2SO4 = KCI + 3 Fe2(SO4)3 + 15 H2O
ZnI + Cl2 = ZnCl + I2 =>
2 ZnI + Cl2 = 2 ZnCl + I2
KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + KNO3(aq) =>
3 KSCN(aq) + Fe(NO3)3(aq) = Fe(SCN)3(aq) + 3 KNO3(aq)
H2SO4(aq) + Cu2(aq) = CuSO4(aq) + H(g) =>
2 H2SO4(aq) + Cu2(aq) = 2 CuSO4(aq) + 4 H(g)
H2S + Ca(HO)2 = H2O + CaS =>
H2S + Ca(HO)2 = 2 H2O + CaS
He{2+} + Fe = Fe{27+} + He =>
27 He{2+} + 2 Fe = 2 Fe{27+} + 27 He
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)(g)
F2 + PbCl4 = FCl + Pb =>
2 F2 + PbCl4 = 4 FCl + Pb
Cr(NO3)3 + MnI2 = Mn(NO3)2 + CrI3 =>
2 Cr(NO3)3 + 3 MnI2 = 3 Mn(NO3)2 + 2 CrI3
N + O2 = N3O7 =>
6 N + 7 O2 = 2 N3O7
C14H10O2 + NaBH4 + CH3OH = C14H14O2 + NaB(CH3O)4 =>
2 C14H10O2 + NaBH4 + 4 CH3OH = 2 C14H14O2 + NaB(CH3O)4
Al2(SO4)3 + BaCl2 + H2O = BaSO4 + Al(OH)3 + HCl =>
Al2(SO4)3 + 3 BaCl2 + 6 H2O = 3 BaSO4 + 2 Al(OH)3 + 6 HCl
(NH4)2SO4 + H2O = NH4O + H4SO4 =>
(NH4)2SO4 + 2 H2O = 2 NH4O + H4SO4
CaCl2(aq) + HNO3(aq) = Ca(NO3)2(aq) + HCl(aq) =>
CaCl2(aq) + 2 HNO3(aq) = Ca(NO3)2(aq) + 2 HCl(aq)
Fe(s) + CuSO4(aq) = Fe(SO4)6(aq) + Cu(s) =>
Fe(s) + 6 CuSO4(aq) = Fe(SO4)6(aq) + 6 Cu(s)
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