| Équations équilibrées la veille |
2 CH3COOH + ZnO = H2O + Zn(CH3COO)2
Z4 + J5 = Z2J2 =>
5 Z4 + 4 J5 = 10 Z2J2
CuO + KOH = Cu(OH)2 + K2O =>
CuO + 2 KOH = Cu(OH)2 + K2O
HCl + Zn = ZnCl2 + H50 =>
50 HCl + 25 Zn = 25 ZnCl2 + H50
Mg + Fe2O3 = Fe + MgO =>
3 Mg + Fe2O3 = 2 Fe + 3 MgO
H2SO3 + H2S = S + H2O2 =>
2 H2SO3 + H2S = 3 S + 3 H2O2
Fe3O4 + KNO3 + KHSO4 = K2SO4 + Fe2(SO4)3 + N2O + H2O =>
8 Fe3O4 + 2 KNO3 + 74 KHSO4 = 38 K2SO4 + 12 Fe2(SO4)3 + N2O + 37 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
Sb2O5 = SbO{+} + {-} + O2 =>
2 Sb2O5 = 4 SbO{+} + 4e + 3 O2
Pb(SO4) = Pb(SO3) + O2 =>
2 Pb(SO4) = 2 Pb(SO3) + O2
Cu + Ag(NO3) = Cu(NO3)2 + Ag =>
Cu + 2 Ag(NO3) = Cu(NO3)2 + 2 Ag
Na2CO3 + K2CO3 + Nb2O5 = NaKNb2O6 + CO2 =>
Na2CO3 + K2CO3 + 2 Nb2O5 = 2 NaKNb2O6 + 2 CO2
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
S + H2SeO4 = H2SO4 + Se =>
S + H2SeO4 = H2SO4 + Se
NaOH + H2SeO2 = NaHSeO2 + H2O =>
NaOH + H2SeO2 = NaHSeO2 + H2O
TiCl4 = Cl + Ti =>
TiCl4 = 4 Cl + Ti
C + O2 = CO2 =>
C + O2 = CO2
K + O = K2O =>
2 K + O = K2O
CoCl2 + NaOH + Na(OH)3 = NaCl + Co2O3 + H2O =>
2 CoCl2 + 3 NaOH + Na(OH)3 = 4 NaCl + Co2O3 + 3 H2O
C16H34 + O2 = CO2 + H2O =>
2 C16H34 + 49 O2 = 32 CO2 + 34 H2O
Co(NO3)2 + Fe(NO3)3 + C6H12O6 = CoFe2O4 + CO2 + H2O + N2 =>
3 Co(NO3)2 + 6 Fe(NO3)3 + 5 C6H12O6 = 3 CoFe2O4 + 30 CO2 + 30 H2O + 12 N2
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
CH6 + O2 = CO2 + H2O =>
2 CH6 + 5 O2 = 2 CO2 + 6 H2O
CaCO3 + CH3COOH = CH3Ca + CO2 + H2O =>
8 CaCO3 + 9 CH3COOH = 8 CH3Ca + 18 CO2 + 6 H2O
NH4ReO4 + H2 = N + Re + H2O =>
NH4ReO4 + 2 H2 = N + Re + 4 H2O
H + Cr212O7 = Cr3 + H2O =>
42 H + 3 Cr212O7 = 212 Cr3 + 21 H2O
Cu(s) + HNO3 = Cu(NO3)2(ac) + NO(g) + H2O(i) =>
3 Cu(s) + 8 HNO3 = 3 Cu(NO3)2(ac) + 2 NO(g) + 4 H2O(i)
IO3{-2} + SO3{-2} + H3O{+} = I2 + SO4{-2} + H2O =>
2 IO3{-2} + 4 SO3{-2} + 4 H3O{+} = I2 + 4 SO4{-2} + 6 H2O
K2(SO4) + Ca3(PO4)2 = K3(PO4) + CaSO4 =>
3 K2(SO4) + Ca3(PO4)2 = 2 K3(PO4) + 3 CaSO4
XCH2COOH + K2CO3 = XCH2COOK + H2CO3 =>
2 XCH2COOH + K2CO3 = 2 XCH2COOK + H2CO3
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3 =>
(CH3)2CHOH + NaNH2 = (CH3)2CHONa + NH3
CaCO3 + CH3COOH = CH3Ca + CO2 + H2O =>
8 CaCO3 + 9 CH3COOH = 8 CH3Ca + 18 CO2 + 6 H2O
C + CaO = CO + CaC2 =>
3 C + CaO = CO + CaC2
AlNO3 + Mg = Al + Mg(NO3)2 =>
2 AlNO3 + Mg = 2 Al + Mg(NO3)2
HClO + NaOH = NaCl + H2O + O2 =>
2 HClO + 2 NaOH = 2 NaCl + 2 H2O + O2
Na2SO4 + NaCl = Na + NaClSO4 =>
Na2SO4 + NaCl = 2 Na + NaClSO4
ZnS + O2 = Zn2O2 + SO2 =>
2 ZnS + 3 O2 = Zn2O2 + 2 SO2
C3H6O + C6H14 = H2O + C9H19 =>
4 C3H6O + 7 C6H14 = 4 H2O + 6 C9H19
AgNO3 + NaHCO3 = AgCO3 + NaNO3 + H =>
AgNO3 + NaHCO3 = AgCO3 + NaNO3 + H
(NH4)2SO4(aq) + Pb(C2H3O2)2(aq) = PbSO4(aq) + NH4C2H3O2(aq) =>
(NH4)2SO4(aq) + Pb(C2H3O2)2(aq) = PbSO4(aq) + 2 NH4C2H3O2(aq)
FeS(s) + Cl2(g) = FeCl2(aq) + S(s) =>
FeS(s) + Cl2(g) = FeCl2(aq) + S(s)
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
K(s) + I2 = KI(s) =>
2 K(s) + I2 = 2 KI(s)
NH3 + O = NO2 + H2O =>
2 NH3 + 7 O = 2 NO2 + 3 H2O
K2CO3 + H2SO4 = H2CO3 + K2SO4 =>
K2CO3 + H2SO4 = H2CO3 + K2SO4
Fe2(SO4)3 + MnSO4 + KHSO4 + H2O = FeSO4 + KMnO4 + H2SO4 =>
5 Fe2(SO4)3 + 2 MnSO4 + 2 KHSO4 + 8 H2O = 10 FeSO4 + 2 KMnO4 + 9 H2SO4
Li2O + H2O = (LiOH)2 =>
Li2O + H2O = (LiOH)2
N2 + H2O = NH3 + O2 =>
2 N2 + 6 H2O = 4 NH3 + 3 O2
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Équations équilibrées sur01/27/25
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