| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2CrO4 + NaOH = NaCrO4 + Na2OH
H3PO4 + KCl = K2HPO4 + HCl =>
H3PO4 + 2 KCl = K2HPO4 + 2 HCl
Tm + HgI2 = TmI3 + Hg =>
2 Tm + 3 HgI2 = 2 TmI3 + 3 Hg
Mg(HCO3)2 + Ca(OH)2 = CaCO3 + Mg(OH)2 + H2O =>
Mg(HCO3)2 + 2 Ca(OH)2 = 2 CaCO3 + Mg(OH)2 + 2 H2O
CuSO4 + NaBH4 = Cu + Na2SO4 + BH3 + H2 =>
CuSO4 + 2 NaBH4 = Cu + Na2SO4 + 2 BH3 + H2
C2H6O(i) + O2(g) = CO2(g) + H2O(i) =>
C2H6O(i) + 3 O2(g) = 2 CO2(g) + 3 H2O(i)
SO2 + HAuCl4 + H2O = SO3 + HCl + Au =>
3 SO2 + 2 HAuCl4 + 3 H2O = 3 SO3 + 8 HCl + 2 Au
Na2S + CS2 = Na2CS3 =>
Na2S + CS2 = Na2CS3
Fe2O3(s) + HNO3(ac) = Fe(NO3)3(ac) + H2O(l) =>
Fe2O3(s) + 6 HNO3(ac) = 2 Fe(NO3)3(ac) + 3 H2O(l)
CuSO4 + Fe = Fe(SO4) + Cu =>
CuSO4 + Fe = Fe(SO4) + Cu
CO2 + Br2 = COBr2 + O2 =>
2 CO2 + 2 Br2 = 2 COBr2 + O2
CH3CO2H + NI(OH)2 = NI(CH3CO2)2 + H2O =>
2 CH3CO2H + NI(OH)2 = NI(CH3CO2)2 + 2 H2O
Pb(NO3)2 + HCl = PbCl2 + NO3H =>
Pb(NO3)2 + 2 HCl = PbCl2 + 2 NO3H
N2H4CO + HNO3 = CO2 + N2 + H2O =>
5 N2H4CO + 6 HNO3 = 5 CO2 + 8 N2 + 13 H2O
Cr2O3(s) + Si(l) = Cr(l) + SiO2(s) =>
2 Cr2O3(s) + 3 Si(l) = 4 Cr(l) + 3 SiO2(s)
Ca(C2H3O2)2 + Li2S = LiC2H3O2 + CaS =>
Ca(C2H3O2)2 + Li2S = 2 LiC2H3O2 + CaS
Mg2C + H2SO4 = CH4 + MgSO4 =>
Mg2C + 2 H2SO4 = CH4 + 2 MgSO4
K2CrO4 + KOH + SnCl2 + H2O = K3[Cr(OH)6] + KCl + K2[Sn(OH)6] =>
2 K2CrO4 + 14 KOH + 3 SnCl2 + 8 H2O = 2 K3[Cr(OH)6] + 6 KCl + 3 K2[Sn(OH)6]
I{-} + SO4{2-} + H{+} = I2 + H2S + H2O =>
8 I{-} + SO4{2-} + 10 H{+} = 4 I2 + H2S + 4 H2O
C2H8N2 + Co(NO3)2*6H2O + HNO3 + KSCN + O2 = [Co(C2H8N2)2(NCS)2]NCS + KNO3 + H2O =>
8 C2H8N2 + 4 Co(NO3)2*6H2O + 4 HNO3 + 12 KSCN + O2 = 4[Co(C2H8N2)2(NCS)2]NCS + 12 KNO3 + 26 H2O
KOH + KNO3 = K2O + HNO3 =>
KOH + KNO3 = K2O + HNO3
CH3CHNO2CH3 + H2 = CH3CH2NH2CH3 + O2 =>
2 CH3CHNO2CH3 + 3 H2 = 2 CH3CH2NH2CH3 + 2 O2
CrSO4 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + H2O =>
6 CrSO4 + K2Cr2O7 + 7 H2SO4 = 4 Cr2(SO4)3 + K2SO4 + 7 H2O
NaHCO3 + NaOH = Na2CO3 + H2O =>
NaHCO3 + NaOH = Na2CO3 + H2O
AgNO3 + NH4SCn = AgSCn + NH4NO3 =>
AgNO3 + NH4SCn = AgSCn + NH4NO3
NO2 + Cu(OH)2 = Cu(NO3)2 + Cu(NO2)2 + H2O =>
4 NO2 + 2 Cu(OH)2 = Cu(NO3)2 + Cu(NO2)2 + 2 H2O
Na2HAsO3 + AgNO3 = HNO3 + Na2AsO3 + Ag =>
Na2HAsO3 + AgNO3 = HNO3 + Na2AsO3 + Ag
Ba + CO3 = BaCO3 =>
Ba + CO3 = BaCO3
NH4SO4 + AgNO3 = NH4(NO3)2 + Ag2SO4 =>
NH4SO4 + 2 AgNO3 = NH4(NO3)2 + Ag2SO4
C(s)O2(g) = CO2(g) =>
C(s)O2(g) = CO2(g)
Co(NH3)5(OH2) + HCl = [Co(NH3)5Cl]Cl2 + H2O + H =>
Co(NH3)5(OH2) + 3 HCl = [Co(NH3)5Cl]Cl2 + H2O + 3 H
Na2SO4 + NH4ClO3 = NaClO3 + (NH4)2SO4 =>
Na2SO4 + 2 NH4ClO3 = 2 NaClO3 + (NH4)2SO4
Al + Fe{3}O{2} = Al{3}O{2} + Fe =>
Al + Fe{3}O{2} = Al{3}O{2} + Fe
C6H5CH2OH + NCCHCH2 = C6H5CH2N(H)C(O)CHCH2 =>
C6H5CH2OH + NCCHCH2 = C6H5CH2N(H)C(O)CHCH2
C2H6 + Cl = C2H5Cl + H2 =>
2 C2H6 + 2 Cl = 2 C2H5Cl + H2
C6H5CO2Na + H2O = NaOH + C6H5CO2H =>
C6H5CO2Na + H2O = NaOH + C6H5CO2H
Al(ClO4)3 + LiOH = Al(OH)3 + Li(ClO4) =>
Al(ClO4)3 + 3 LiOH = Al(OH)3 + 3 Li(ClO4)
HI + KHSO3 = H2O + KI + SO2 =>
HI + KHSO3 = H2O + KI + SO2
chlorine + silveriodide = silverchloride + iodine =>
Cl2 + 2 AgI = 2 AgCl + I2
KClO3H2O2 = KClO4H2O =>
KClO3H2O2 = KClO4H2O
K3PO4 + LiCl = KCl + Li3(PO4) =>
K3PO4 + 3 LiCl = 3 KCl + Li3(PO4)
FeS2 + Br2 + KOH = H2O + KBr + K2SO4 + Fe(OH) =>
2 FeS2 + 13 Br2 + 34 KOH = 16 H2O + 26 KBr + 4 K2SO4 + 2 Fe(OH)
PO5 + H2SO4 = PSO4 + H2O + O2 =>
PO5 + H2SO4 = PSO4 + H2O + 2 O2
Th + H2SO4 = Th(SO4)2 + H2 =>
Th + 2 H2SO4 = Th(SO4)2 + 2 H2
Pb + H2SO4(conc) = H2 + PbSO4 =>
Pb + H2SO4(conc) = H2 + PbSO4
NaHCO3 + CuSO4 = CO2 + CuCO3 + H2O + Na2SO4 =>
2 NaHCO3 + CuSO4 = CO2 + CuCO3 + H2O + Na2SO4
SiC + O2 = SiO2 + CO =>
2 SiC + 3 O2 = 2 SiO2 + 2 CO
BaCl2 + ZnSO4 = ZnCl2 + BaSO4 =>
BaCl2 + ZnSO4 = ZnCl2 + BaSO4
OH + Ca = CaOH =>
OH + Ca = CaOH
C3H6O3 + NO3{-} + H{+} = CO2 + N2 + H2O =>
5 C3H6O3 + 12 NO3{-} + 12 H{+} = 15 CO2 + 6 N2 + 21 H2O
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