| Équations équilibrées la veille | Équations équilibrées le lendemain |
Na2SO4 + 2 C = Na2S + 2 CO2
HCl + Ag2SO4 = ClAg + H2SO4 =>
2 HCl + Ag2SO4 = 2 ClAg + H2SO4
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ca(s) + Cl2(g) = CaCl(aq) =>
2 Ca(s) + Cl2(g) = 2 CaCl(aq)
V2O5(s) + HCl(aq) = VOCl3(s) + H2O(l) =>
V2O5(s) + 6 HCl(aq) = 2 VOCl3(s) + 3 H2O(l)
H2SO4 + HCl = H3ClSO4 =>
H2SO4 + HCl = H3ClSO4
Al + NH3 = AlN + H2 =>
2 Al + 2 NH3 = 2 AlN + 3 H2
Al(s) + S2(g) = Al2S3(s) =>
4 Al(s) + 3 S2(g) = 2 Al2S3(s)
Bi2O3 + OCl = Cl + BiO3 =>
Bi2O3 + 3 OCl = 3 Cl + 2 BiO3
KCrO2 + PbO2 + KOH = K2CrO4 + PbO + H2O =>
2 KCrO2 + 3 PbO2 + 2 KOH = 2 K2CrO4 + 3 PbO + H2O
CaO + C = CaC2 + CO2 =>
2 CaO + 5 C = 2 CaC2 + CO2
Br2 + NaCrO3 + NaOH = Na2CrO4 + NaBr + H2O =>
Br2 + 2 NaCrO3 + 4 NaOH = 2 Na2CrO4 + 2 NaBr + 2 H2O
Al2(HPO4)3 + NaOH = Al(OH)3 + Na2HPO4 =>
Al2(HPO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2HPO4
Zn(s) + Ag3PO4(s) = Ag3(s) + ZnPO4(s) =>
Zn(s) + Ag3PO4(s) = Ag3(s) + ZnPO4(s)
N2O4 = N2 + O2 =>
N2O4 = N2 + 2 O2
KOH + Al2O3 + SiO2 + H2O = KAl2(AlSi3O10)(OH)2 =>
2 KOH + 3 Al2O3 + 6 SiO2 + H2O = 2 KAl2(AlSi3O10)(OH)2
NH3 + NO2 = H2O + NO =>
2 NH3 + 5 NO2 = 3 H2O + 7 NO
Ba + NH3 = Ba3N2 + H2 =>
3 Ba + 2 NH3 = Ba3N2 + 3 H2
Cr + I2 = CrI4 =>
Cr + 2 I2 = CrI4
CuCl2(aq) + AgNO3(aq) = AgCl + Cu(NO3)2 =>
CuCl2(aq) + 2 AgNO3(aq) = 2 AgCl + Cu(NO3)2
C12H22O11 + H7NO2 + NaOH = C10H15N + NaHCO3 + H2O =>
13 C12H22O11 + 12 H7NO2 + 36 NaOH = 12 C10H15N + 36 NaHCO3 + 95 H2O
Na2HPO4 + NaOH(aq) = Na3PO4 + H2O(l) =>
Na2HPO4 + NaOH(aq) = Na3PO4 + H2O(l)
Fe2O3(s) + Al(s) = Al2O3 + Fe(s) =>
Fe2O3(s) + 2 Al(s) = Al2O3 + 2 Fe(s)
Ca(OH)2 + H3PO4 = H2O + Ca3((PO4)2) =>
3 Ca(OH)2 + 2 H3PO4 = 6 H2O + Ca3((PO4)2)
KMnO4 + H2SO4 + CH3CH2OH = MnSO4 + CH3CHO + K2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3CH2OH = 2 MnSO4 + 5 CH3CHO + K2SO4 + 8 H2O
HNO3(k) + Mg = Mg(NO3)2 + N2O + H2O =>
10 HNO3(k) + 4 Mg = 4 Mg(NO3)2 + N2O + 5 H2O
SnCl4 + NH4OH = HCl + SnOH + N2 =>
2 SnCl4 + 2 NH4OH = 8 HCl + 2 SnOH + N2
CH4(s) + O2(g) = CO2(g) + H2O(g) =>
CH4(s) + 2 O2(g) = CO2(g) + 2 H2O(g)
H2CrO4 + Fe(NH4)2(SO4)2 + H2SO4 = Cr2(SO4)3 + (NH4)2SO4 + Fe2(SO4)3 + H2O =>
2 H2CrO4 + 6 Fe(NH4)2(SO4)2 + 6 H2SO4 = Cr2(SO4)3 + 6(NH4)2SO4 + 3 Fe2(SO4)3 + 8 H2O
Ba(NO3)2 + KIO3 = Ba(IO3)2 + K + NO3 =>
Ba(NO3)2 + 2 KIO3 = Ba(IO3)2 + 2 K + 2 NO3
CrI3 = Cr + I =>
CrI3 = Cr + 3 I
BaCO3 + (H)3PMo12O40(H2O)23 = Ba3(PMo12O40)2(H2O)23 + CO2 + H2O =>
3 BaCO3 + 2(H)3PMo12O40(H2O)23 = Ba3(PMo12O40)2(H2O)23 + 3 CO2 + 26 H2O
Al + H2 + SO4 = AlS + H2O =>
Al + 4 H2 + SO4 = AlS + 4 H2O
H2PO4 + HFe = FePO4 + H2 =>
2 H2PO4 + 2 HFe = 2 FePO4 + 3 H2
BeSO4 + KOH = BeOH + KSO4 =>
BeSO4 + KOH = BeOH + KSO4
NiCl2*6H2O + NH4OH + NH4BF4 = [Ni(NH3)6][BF4]2 + H2O + HCl =>
NiCl2*6H2O + 4 NH4OH + 2 NH4BF4 = [Ni(NH3)6][BF4]2 + 10 H2O + 2 HCl
MH2SO4 = MSO4 + H2 =>
MH2SO4 = MSO4 + H2
Ca + Cr(C2H3O2)2 = Cr + Ca(C2H3O2)2 =>
Ca + Cr(C2H3O2)2 = Cr + Ca(C2H3O2)2
Zn + AgNO2 = Ag + Zn(NO2) =>
Zn + AgNO2 = Ag + Zn(NO2)
KMnO4 + C5H(OH)3 = K3CO + Mn3O + CO2 + H2O =>
9 KMnO4 + 4 C5H(OH)3 = 3 K3CO + 3 Mn3O + 17 CO2 + 8 H2O
Cu + H2SO4 = Cu2SO4 + H2O + SO2 =>
2 Cu + 2 H2SO4 = Cu2SO4 + 2 H2O + SO2
Ba(s) + H3PO4(aq) = BaPO4 + H3 =>
Ba(s) + H3PO4(aq) = BaPO4 + H3
HCO(CO2H)(CH2CO2H)2 + Na2CO3 = HOC(CO2Na)(CH2CO2Na)2 + CO2 + H2O =>
2 HCO(CO2H)(CH2CO2H)2 + 3 Na2CO3 = 2 HOC(CO2Na)(CH2CO2Na)2 + 3 CO2 + 3 H2O
Zn(s) + Fe2S3(s) = Fe(s) + ZnS(s) =>
3 Zn(s) + Fe2S3(s) = 2 Fe(s) + 3 ZnS(s)
CH2CHCHCH2 + CH2CHCOCH3 = (CH2)2CHCHCH2CHCOCH3 =>
CH2CHCHCH2 + CH2CHCOCH3 = (CH2)2CHCHCH2CHCOCH3
PbNO3 + KI = KI(NO3)2 + Pb =>
2 PbNO3 + KI = KI(NO3)2 + 2 Pb
Bi(OH)3(s) + Na2SnO2(aq) = Bi(s) + Na2SnO3(aq) + H2O(l) =>
2 Bi(OH)3(s) + 3 Na2SnO2(aq) = 2 Bi(s) + 3 Na2SnO3(aq) + 3 H2O(l)
CH2CHCHCH2 + CH2CHCOCH3 = (CH2)2CHCHCH2CHCOCH3 =>
CH2CHCHCH2 + CH2CHCOCH3 = (CH2)2CHCHCH2CHCOCH3
Si + CO = SiO2 + C =>
Si + 2 CO = SiO2 + 2 C
CuS + NH3 = Cu(NH3)2 + S =>
CuS + 2 NH3 = Cu(NH3)2 + S
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Équations équilibrées sur12/14/24
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