| Équations équilibrées la veille |
6 NaBr + 2 KMnO4 + 4 H2SO4 = 3 Br2 + 2 MnO2 + 4 H2O + K2SO4 + 3 Na2SO4
CaCO3 + Co3O4 + NH4H2PO4 = CaCoP2O7 + NH3 + CO2 + O2 + H2O =>
6 CaCO3 + 2 Co3O4 + 12 NH4H2PO4 = 6 CaCoP2O7 + 12 NH3 + 6 CO2 + O2 + 18 H2O
HCN + NH4OH = H2O + H4CN2 =>
HCN + NH4OH = H2O + H4CN2
H2SiO3 + Pb(OH)4 = Pb(OH)2SiO3 + H2O =>
H2SiO3 + Pb(OH)4 = Pb(OH)2SiO3 + 2 H2O
Fe{3+} + H2O + CH3COO{-} = Fe(OH)2CH3COO + CH3COOH =>
Fe{3+} + 2 H2O + 3 CH3COO{-} = Fe(OH)2CH3COO + 2 CH3COOH
I2 + CuBr2 = Cu + IBr =>
I2 + CuBr2 = Cu + 2 IBr
I{-} + H2O2 = I2{+} + OH{-} =>
4 I{-} + 3 H2O2 = 2 I2{+} + 6 OH{-}
H2AsO4H2O = OHH3AsO4 =>
H2AsO4H2O = OHH3AsO4
BaCl2 + NH4Br = BaNH4 + BrCl2 =>
BaCl2 + NH4Br = BaNH4 + BrCl2
Cl2 + FeO + C6H8O6 = FeCl3 + C6H8O7 =>
3 Cl2 + 2 FeO + 2 C6H8O6 = 2 FeCl3 + 2 C6H8O7
()PbBr2 + ()HCl = ()HBr + ()PbCl2 =>
()PbBr2 + 2()HCl = 2()HBr + ()PbCl2
NH3 + ZnI2 = ZnNH3 + I2 =>
NH3 + ZnI2 = ZnNH3 + I2
H3BO3 + NaOH + H2O = Na2B4O7*10H2O =>
4 H3BO3 + 2 NaOH + 3 H2O = Na2B4O7*10H2O
Cu + HNO3 = Cu(NO3)2 + N204 + H2O =>
510 Cu + 1224 HNO3 = 510 Cu(NO3)2 + N204 + 612 H2O
NaCOI = Na + CIO =>
NaCOI = Na + CIO
H3PO4 + Ca(CN)2 = H2Ca + PO4(CN)3 =>
2 H3PO4 + 3 Ca(CN)2 = 3 H2Ca + 2 PO4(CN)3
K2Cr2O7 + H2S + H2SO4 = KSO4 + Cr2(SO4)3 + H2O =>
2 K2Cr2O7 + H2S + 9 H2SO4 = 4 KSO4 + 2 Cr2(SO4)3 + 10 H2O
Al2(SO4)3 + Na(OH) = Al(OH)3 + Na2(SO4) =>
Al2(SO4)3 + 6 Na(OH) = 2 Al(OH)3 + 3 Na2(SO4)
H2O + Pb + SO4 = HSO4 + PbO2 =>
2 H2O + Pb + 4 SO4 = 4 HSO4 + PbO2
Cu(OH)2 + HCN = H2O + H2[Cu(CN)4] =>
Cu(OH)2 + 4 HCN = 2 H2O + H2[Cu(CN)4]
C6H6 + CH3OH = C6H5CH3 + H2O =>
C6H6 + CH3OH = C6H5CH3 + H2O
Ca(C3H5O3)2 + NaOH = Ca(OH)2 + NaC3H5O3 =>
Ca(C3H5O3)2 + 2 NaOH = Ca(OH)2 + 2 NaC3H5O3
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
CaSiO3 + H2O + O2 = CaO2 + H4SiO4 =>
2 CaSiO3 + 4 H2O + O2 = 2 CaO2 + 2 H4SiO4
HNO3(l) + Cu(s) = Cu(NO3)2(sandaq) + NO2(g) + H2O(l) =>
4 HNO3(l) + Cu(s) = Cu(NO3)2(sandaq) + 2 NO2(g) + 2 H2O(l)
CH3SCH2 + H2O2 = SO2 + CO2 + H2O =>
2 CH3SCH2 + 17 H2O2 = 2 SO2 + 4 CO2 + 22 H2O
Na + CUSO4 = CU + Na2SO4 =>
2 Na + CUSO4 = CU + Na2SO4
PotassiumChromate + CalciumSulfate = CalciumChromate + PotassiumSulfate =>
PotassiumChromate + CalciumSulfate = CalciumChromate + PotassiumSulfate
HCl + NaOH = Na(Cl) + H2O =>
HCl + NaOH = Na(Cl) + H2O
HCl + H2O = OH + ClH3 =>
HCl + 2 H2O = 2 OH + ClH3
Ag2C2O4 = Ag + C2O4 =>
Ag2C2O4 = 2 Ag + C2O4
H2SO4(aq) + NaOH(aq) = Na2SO4 + H2O(aq) =>
H2SO4(aq) + 2 NaOH(aq) = Na2SO4 + 2 H2O(aq)
Ni2(C2H2O2) + NaCrO4 = Na(C2H2O2) + Ni2CrO4 =>
Ni2(C2H2O2) + NaCrO4 = Na(C2H2O2) + Ni2CrO4
NaO + CN = NaCN + O2 =>
2 NaO + 2 CN = 2 NaCN + O2
KMnO4 + FeC2O4 + H2SO4 = MnSO4 + CO2 + H2O + K2SO4 + Fe2(SO4)3 =>
6 KMnO4 + 10 FeC2O4 + 24 H2SO4 = 6 MnSO4 + 20 CO2 + 24 H2O + 3 K2SO4 + 5 Fe2(SO4)3
Cu + CH3COOAg = Cu(CH3COO)Ag =>
Cu + CH3COOAg = Cu(CH3COO)Ag
Mg + NiSO4 = Ni + Mg(SO4) =>
Mg + NiSO4 = Ni + Mg(SO4)
V2O5 + LiOH + H2O = Li[V(OH)6] =>
V2O5 + 2 LiOH + 5 H2O = 2 Li[V(OH)6]
H2SO4 + BaO2 = BaSO4 + HO =>
H2SO4 + BaO2 = BaSO4 + 2 HO
HNO3 + S = NO2 + S(NO3)2 + H2O =>
4 HNO3 + S = 2 NO2 + S(NO3)2 + 2 H2O
CH3NH2 + CH3COOH = CH3CH2COOH + NH3 =>
CH3NH2 + CH3COOH = CH3CH2COOH + NH3
K2Cr2O7 + H2SO4 + C2H5OH = Cr2O3 + CH3CHO + K2SO4 + H2O =>
K2Cr2O7 + H2SO4 + 3 C2H5OH = Cr2O3 + 3 CH3CHO + K2SO4 + 4 H2O
C20H12N3O7SNa + Mg = MgC20H12N3O7SNa =>
C20H12N3O7SNa + Mg = MgC20H12N3O7SNa
Na2O2 + CO = NaCO3 + Na =>
Na2O2 + CO = NaCO3 + Na
HNO3 + Mn(OH)2 = MnNO3 + H(OH)2 =>
HNO3 + Mn(OH)2 = MnNO3 + H(OH)2
CrCl2 + HNO3 = Cr(NO3)2 + HCl =>
CrCl2 + 2 HNO3 = Cr(NO3)2 + 2 HCl
C + H2 = CH4 =>
C + 2 H2 = CH4
CrI3 + KOH + Cl2 = K2CrO4 + KIO3 + KCl + H2O =>
2 CrI3 + 52 KOH + 21 Cl2 = 2 K2CrO4 + 6 KIO3 + 42 KCl + 26 H2O
Mg(s) + NaF(aq) = MgF2(aq) + Na(s) =>
Mg(s) + 2 NaF(aq) = MgF2(aq) + 2 Na(s)
Pb(OH)3 + H3PO4 = PbPO4 + H3(OH)3 =>
Pb(OH)3 + H3PO4 = PbPO4 + H3(OH)3
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Équations équilibrées sur01/28/25
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