| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 KNO3 = 2 KNO2 + O2
K + N2 = K3N =>
6 K + N2 = 2 K3N
NaHCO3(aq) + HCl(aq) = H2O(l) + NaCl(aq) + CO2(g) =>
NaHCO3(aq) + HCl(aq) = H2O(l) + NaCl(aq) + CO2(g)
H2SO4 + Co(OH)3 = Co2(SO4)3 + H2O =>
3 H2SO4 + 2 Co(OH)3 = Co2(SO4)3 + 6 H2O
HNO3 + H2S = S + NO + H2O =>
2 HNO3 + 3 H2S = 3 S + 2 NO + 4 H2O
C17H35COOH + NaOH = C17H35COONa + H2O =>
C17H35COOH + NaOH = C17H35COONa + H2O
Na2HAsO4*7H2O + CH3COOH + Na2S2O3 = Na(CH3COO) + As2S3 + Na2SO4 + H2O =>
4 Na2HAsO4*7H2O + 6 CH3COOH + 7 Na2S2O3 = 6 Na(CH3COO) + 2 As2S3 + 8 Na2SO4 + 33 H2O
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
H2O = H2 + O2 =>
2 H2O = 2 H2 + O2
Hg(OH)2 + H3PO4 = Hg3(PO4)2 + H2O =>
3 Hg(OH)2 + 2 H3PO4 = Hg3(PO4)2 + 6 H2O
BaCl2(aq) + Fe2(SO4)3(aq) = FeCl3(aq) + BaSO4(s) =>
3 BaCl2(aq) + Fe2(SO4)3(aq) = 2 FeCl3(aq) + 3 BaSO4(s)
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Na2HAsO4*7H2O + CH3COOH + Na2S2O3 = Na(CH3COO) + As2S3 + Na2SO4 + H2O =>
4 Na2HAsO4*7H2O + 6 CH3COOH + 7 Na2S2O3 = 6 Na(CH3COO) + 2 As2S3 + 8 Na2SO4 + 33 H2O
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
Al(OH)3 = Al2O3 + H2O =>
2 Al(OH)3 = Al2O3 + 3 H2O
NaOH + Cu(NO3)2 = Cu(OH)2 + NaNO3 =>
2 NaOH + Cu(NO3)2 = Cu(OH)2 + 2 NaNO3
Fe + Na2SO3 = FeSO3 + Na =>
Fe + Na2SO3 = FeSO3 + 2 Na
AgNO3 + NaCO3 = AgCO3 + NaNO3 =>
AgNO3 + NaCO3 = AgCO3 + NaNO3
Pb(NO3)2 + NaCl = PbCl + Na(NO3)2 =>
Pb(NO3)2 + NaCl = PbCl + Na(NO3)2
Cr2O3(s) + C(s) = Cr(s) + CO(g) =>
Cr2O3(s) + 3 C(s) = 2 Cr(s) + 3 CO(g)
H2(g) + Cl2(g) = HCl(g) =>
H2(g) + Cl2(g) = 2 HCl(g)
VF5 + HI = V2I10 + HF =>
2 VF5 + 10 HI = V2I10 + 10 HF
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Mg(OH)2 + HNO3 = Mg(NO3)2 + H2O =>
Mg(OH)2 + 2 HNO3 = Mg(NO3)2 + 2 H2O
BaCl2 + Na2SO4 = BaSO4 + NaCl =>
BaCl2 + Na2SO4 = BaSO4 + 2 NaCl
Na2HAsO4*7H2O + CH3COOH + Na2S2O3 = Na(CH3COO) + As2S3 + Na2SO4 + H2O =>
4 Na2HAsO4*7H2O + 6 CH3COOH + 7 Na2S2O3 = 6 Na(CH3COO) + 2 As2S3 + 8 Na2SO4 + 33 H2O
Pb(No3)2 + Na2S = PbS + NaNo3 =>
Pb(No3)2 + Na2S = PbS + 2 NaNo3
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
ClCH2CO2H + NaOH = NaClCH2CO2 + H2O =>
ClCH2CO2H + NaOH = NaClCH2CO2 + H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
CaF2 + Na2S = CaS + NaF =>
CaF2 + Na2S = CaS + 2 NaF
Cu + O2 = CuO =>
2 Cu + O2 = 2 CuO
K2CO3 + H2SO4 = K2SO4 + CO2 + H2O =>
K2CO3 + H2SO4 = K2SO4 + CO2 + H2O
Al(OH)3 + H2CO3 = Al2(CO3)3 + H2O =>
2 Al(OH)3 + 3 H2CO3 = Al2(CO3)3 + 6 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
AgNO3 + NaOH = AgOH + NaNO3 =>
AgNO3 + NaOH = AgOH + NaNO3
FeBr3 + H2SO4 = Fe2(SO4)3 + HBr =>
2 FeBr3 + 3 H2SO4 = Fe2(SO4)3 + 6 HBr
Ba{2+} + OH{-} + ClO2 = Ba(ClO2)2 + H2O + O2 =>
2 Ba{2+} + 4 OH{-} + 4 ClO2 = 2 Ba(ClO2)2 + 2 H2O + O2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Sulfur + oxygen = sulfurdioxide =>
S + O2 = SO2
Y2O3 + Ba(NO3)2 + CuO = YBa2Cu3O7 + NO2 + O2 =>
2 Y2O3 + 8 Ba(NO3)2 + 12 CuO = 4 YBa2Cu3O7 + 16 NO2 + 3 O2
H3BO3 + Ba(OH)2 = H2O + Ba3(BO3)2 =>
2 H3BO3 + 3 Ba(OH)2 = 6 H2O + Ba3(BO3)2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Ni2O3 = Ni + O2 =>
2 Ni2O3 = 4 Ni + 3 O2
K2S + Fe(NO3)2 = FeS + K(NO3) =>
K2S + Fe(NO3)2 = FeS + 2 K(NO3)
Y2O3 + Ba(NO3)2 + CuO = YBa2Cu3O7 + NO2 + O2 =>
2 Y2O3 + 8 Ba(NO3)2 + 12 CuO = 4 YBa2Cu3O7 + 16 NO2 + 3 O2
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/05/19
Équations équilibrées sur04/04/18
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