| Équations équilibrées la veille |
Na2CO + N2 = NaCN + NaNO
CaS + K = K2S + Ca =>
CaS + 2 K = K2S + Ca
KMnO4 + H2SO4 + Na2SO3 = K2SO4 + Mn(SO4) + Na2SO4 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 Na2SO3 = K2SO4 + 2 Mn(SO4) + 5 Na2SO4 + 3 H2O
Fe2O3 + C = Fe2 + CO2 =>
2 Fe2O3 + 3 C = 2 Fe2 + 3 CO2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
KO3 + H2 = KOH + H2O =>
2 KO3 + 5 H2 = 2 KOH + 4 H2O
NH4 + CrO7 + CuAsO4 = (NH4)AsO4 + CuCrO7 =>
NH4 + CrO7 + CuAsO4 = (NH4)AsO4 + CuCrO7
HBr + MnO4 = Br + MnBr2 + H2O =>
8 HBr + MnO4 = 6 Br + MnBr2 + 4 H2O
Fe + Cl13 = FeCl3 =>
13 Fe + 3 Cl13 = 13 FeCl3
POOP = P2O2O2P2 =>
2 POOP = P2O2O2P2
SN(OH)2 + H2SO4 = SNSO4 + H2O =>
SN(OH)2 + H2SO4 = SNSO4 + 2 H2O
Cu + HNO3 = Cu(NO3)2 + NO + H90O =>
179 Cu + 360 HNO3 = 179 Cu(NO3)2 + 2 NO + 4 H90O
Na2S2O3 + Cl + H2O = HCl + S + Na2SO4 =>
Na2S2O3 + 2 Cl + H2O = 2 HCl + S + Na2SO4
Zn + HCl = H2 + ZnCl2 =>
Zn + 2 HCl = H2 + ZnCl2
NaNO3 + NaAl + Al + H2O = NaAlO2 + NH3 =>
4 NaNO3 + 5 NaAl + 4 Al + 6 H2O = 9 NaAlO2 + 4 NH3
CHF3 + Cl2 = HCl + CF2 + F2 =>
2 CHF3 + Cl2 = 2 HCl + 2 CF2 + F2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
BeBr2 + NH4C2H3O2 = NH4Br + Be(C2H3O2)2 =>
BeBr2 + 2 NH4C2H3O2 = 2 NH4Br + Be(C2H3O2)2
N2O + KOH = H2O + NKO =>
N2O + 2 KOH = H2O + 2 NKO
SiO2 + BeO = SiBeO3 =>
SiO2 + BeO = SiBeO3
Sc5Si3 + NaN3 = ScSi3N5 + Na + ScN =>
Sc5Si3 + 3 NaN3 = ScSi3N5 + 3 Na + 4 ScN
NaCl + O2 = Na2O + Cl2 =>
4 NaCl + O2 = 2 Na2O + 2 Cl2
CuFeS2 + HNO3 = Cu(NO3)2 + Fe(NO3)3 + H2SO4 + NO + H2O =>
3 CuFeS2 + 32 HNO3 = 3 Cu(NO3)2 + 3 Fe(NO3)3 + 6 H2SO4 + 17 NO + 10 H2O
C28H58 + O2 = C15H30O2 + H2O =>
30 C28H58 + 71 O2 = 56 C15H30O2 + 30 H2O
C10H7OH + FeCl3 = (C10H7O)3Fe + HCl =>
3 C10H7OH + FeCl3 = (C10H7O)3Fe + 3 HCl
HCIONaOH = NaCIOH2O =>
HCIONaOH = NaCIOH2O
C204{-2} + MnO4{-} + H{+} = CO2 + Mn{+2} + H2O =>
5 C204{-2} + 818 MnO4{-} + 2464 H{+} = 1020 CO2 + 818 Mn{+2} + 1232 H2O
Cr + CaC2O4 = Ca + CrC2O4 =>
Cr + CaC2O4 = Ca + CrC2O4
Zn(CH3COO)2*2H2O + MgO + NaOH = ZnMgO + NaCH3CO2 + O2 + H2O =>
2 Zn(CH3COO)2*2H2O + 2 MgO + 4 NaOH = 2 ZnMgO + 4 NaCH3CO2 + O2 + 6 H2O
H2CO3 + BaCO3 = Ba(HCO3)2 =>
H2CO3 + BaCO3 = Ba(HCO3)2
HI(aq)RbOH(aq) = H2O(l)RbI(aq) =>
HI(aq)RbOH(aq) = H2O(l)RbI(aq)
Cs2(CO3) + Cr(C2H3O2)2 = Cs(C2H3O2) + Cr2(CO3)2 =>
2 Cs2(CO3) + 2 Cr(C2H3O2)2 = 4 Cs(C2H3O2) + Cr2(CO3)2
Hg2Br2 + KNO3 = [Hg(KNO3)] + Br2 =>
Hg2Br2 + 2 KNO3 = 2[Hg(KNO3)] + Br2
H3O{+} + Mg = Mg{+2} + H2O + H2 =>
2 H3O{+} + Mg = Mg{+2} + 2 H2O + H2
CuNO2 + Mg(ClO4)2 = Cu(ClO4) + Mg(NO2)2 =>
2 CuNO2 + Mg(ClO4)2 = 2 Cu(ClO4) + Mg(NO2)2
[Na]{+} + [Cl]{-} = NaCl =>
[Na]{+} + [Cl]{-} = NaCl
CH3CH2CH2CH2CH2COOH + NaOH = CH3CH2CH2CH2CH2COONa + H2O =>
CH3CH2CH2CH2CH2COOH + NaOH = CH3CH2CH2CH2CH2COONa + H2O
CsAl(OH)4 + NH4NO3 = NH3 + H2O + Al(OH)3 + CsNO3 =>
CsAl(OH)4 + NH4NO3 = NH3 + H2O + Al(OH)3 + CsNO3
Cs + RbCl = CsCl + Rb =>
Cs + RbCl = CsCl + Rb
ZnFe2O4 + C = ZnO + FeO + CO(g) =>
ZnFe2O4 + C = ZnO + 2 FeO + CO(g)
Mg{2+}H{2+}SO{4} = Mg{2+}H{+} =>
Mg{2+}H{2+}SO{4} = Mg{2+}H{+}
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
Zn + (NO3)2 = Zn3N2 + O2 =>
3 Zn + (NO3)2 = Zn3N2 + 3 O2
CO + O2 = CO2 =>
2 CO + O2 = 2 CO2
CH3OH + Cr2O7 = CH3CHO + Cr3 + H2O =>
42 CH3OH + 3 Cr2O7 = 21 CH3CHO + 2 Cr3 + 42 H2O
MnO + MnCl2 + H2O = Mn2Cl(OH)3 =>
3 MnO + MnCl2 + 3 H2O = 2 Mn2Cl(OH)3
Si + N2 = Si3N4 =>
3 Si + 2 N2 = Si3N4
Fe(NO3)2(aq) + NaOH(aq) = Fe(OH)2(s) + NaNO3(aq) =>
Fe(NO3)2(aq) + 2 NaOH(aq) = Fe(OH)2(s) + 2 NaNO3(aq)
Zn + H2(SO4)2 = Zn(SO4)2 + H2 =>
Zn + H2(SO4)2 = Zn(SO4)2 + H2
C5H12 + O2 = CO + H2O =>
2 C5H12 + 11 O2 = 10 CO + 12 H2O
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Équations équilibrées sur01/27/25
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