| Équations équilibrées la veille |
SO2 + Fe = SO2Fe
Ca + N2 + H2O = Ca(OH)2 + HN3 =>
Ca + 3 N2 + 2 H2O = Ca(OH)2 + 2 HN3
HBr + (NH4)2CO3 = CO3 + H2 + NH4Br =>
2 HBr + (NH4)2CO3 = CO3 + H2 + 2 NH4Br
CuNO3 + MgCl2 = Mg(NO3)2 + CuCl =>
2 CuNO3 + MgCl2 = Mg(NO3)2 + 2 CuCl
NH3 + H2O2 = N2H4 + H2O =>
2 NH3 + H2O2 = N2H4 + 2 H2O
Al2 + (SO4)3 + KOH = Al(OH)3 + KSO4 =>
Al2 + 2(SO4)3 + 6 KOH = 2 Al(OH)3 + 6 KSO4
H2S + Ca3P2 = H3P + CaS =>
3 H2S + Ca3P2 = 2 H3P + 3 CaS
Ni(OH)3 + H2PO4 = Ni2(PO4)3 + H2O =>
2 Ni(OH)3 + 3 H2PO4 = Ni2(PO4)3 + 6 H2O
Na + Cu(NO2)2 = NaCu + (NO2)2 =>
Na + Cu(NO2)2 = NaCu + (NO2)2
NaOH + K2C2O4 = Na2C2O4 + K2(OH)2 =>
2 NaOH + K2C2O4 = Na2C2O4 + K2(OH)2
Sr + HNO3 = Sr(NO3)2 + NO2 + H2O =>
Sr + 4 HNO3 = Sr(NO3)2 + 2 NO2 + 2 H2O
Nb + HNO3 + HF = H2[NbF7] + NO + H2O =>
3 Nb + 5 HNO3 + 21 HF = 3 H2[NbF7] + 5 NO + 10 H2O
Se + NaOH = Na2SeO3 + H2O + Na2Se =>
3 Se + 6 NaOH = Na2SeO3 + 3 H2O + 2 Na2Se
NH3 + PbO = Pb + N2 + H2O =>
2 NH3 + 3 PbO = 3 Pb + N2 + 3 H2O
HNO2 + Na2SO3 = Na2SO4 + N2 + H2O =>
2 HNO2 + 3 Na2SO3 = 3 Na2SO4 + N2 + H2O
Ga + O2 = Ga2O3 =>
4 Ga + 3 O2 = 2 Ga2O3
H3BO3 + C2H6O = B(OC2H5)3 + H2O =>
H3BO3 + 3 C2H6O = B(OC2H5)3 + 3 H2O
H2O(electricity) = H + O =>
H2O(electricity) = 2 H + O
Al + N = Al2N3 =>
2 Al + 3 N = Al2N3
AgNo3(aq) + CaCl2(aq) = AgCl(s) + Ca(No3)2(aq) =>
2 AgNo3(aq) + CaCl2(aq) = 2 AgCl(s) + Ca(No3)2(aq)
KBr + K2Cr2O7 + H2SO4 = Br2 + Cr2(SO4)3 + H2O + K2SO4 =>
6 KBr + K2Cr2O7 + 7 H2SO4 = 3 Br2 + Cr2(SO4)3 + 7 H2O + 4 K2SO4
NaOH + H3PO4 = Na3PO4 + H2O =>
3 NaOH + H3PO4 = Na3PO4 + 3 H2O
LiO2 + H2O = LiOH + O2 + H2O2 =>
2 LiO2 + H2O = 2 LiOH + O2 + 2 H2O2
Er2O3 + HCl + H2O = ErCl3*6H2O =>
Er2O3 + 6 HCl + 9 H2O = 2 ErCl3*6H2O
CH3CH2OCH2CH3 + CH3COOH = CH3COOCH2CH3 + CH3CH2OH =>
CH3CH2OCH2CH3 + CH3COOH = CH3COOCH2CH3 + CH3CH2OH
Sr(OH)2 + NH4Cl = H2O + NH3 + SrCl2 =>
Sr(OH)2 + 2 NH4Cl = 2 H2O + 2 NH3 + SrCl2
Fe(NO3)2 + KI = FeI2 + KNO3 =>
Fe(NO3)2 + 2 KI = FeI2 + 2 KNO3
KMnO4 + H2SO4 + Na2S = K2SO4 + MnSO4 + Na2SO4 + H2O =>
8 KMnO4 + 12 H2SO4 + 5 Na2S = 4 K2SO4 + 8 MnSO4 + 5 Na2SO4 + 12 H2O
Ca(OH)2(aq) + NH4Cl(aq) = CaCl2(aq) + H2O(l) + NH3(aq) =>
Ca(OH)2(aq) + 2 NH4Cl(aq) = CaCl2(aq) + 2 H2O(l) + 2 NH3(aq)
AgCuCl2 = CuAgCl2 =>
AgCuCl2 = CuAgCl2
K2SIO3 + H2SO4 = K2SO4 + H2SIO3 =>
K2SIO3 + H2SO4 = K2SO4 + H2SIO3
NaHCO3(aq) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l) =>
NaHCO3(aq) + HCl(aq) = NaCl(aq) + CO2(g) + H2O(l)
HNO3 + KCH3COO = CH3COOH + KNO3 =>
HNO3 + KCH3COO = CH3COOH + KNO3
C3H42 + O2 = CO2 + H2O =>
2 C3H42 + 27 O2 = 6 CO2 + 42 H2O
Y + O = YO7 =>
Y + 7 O = YO7
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
NH3 + NaClO = NaCl + H2O + NH2 =>
2 NH3 + NaClO = NaCl + H2O + 2 NH2
HBr + Ba(NO3)2 = BaBr2 + HNO3 =>
2 HBr + Ba(NO3)2 = BaBr2 + 2 HNO3
Na2CO3 + Zn = Na2 + ZnCO3 =>
Na2CO3 + Zn = Na2 + ZnCO3
PtSe + HNO3 + HCl = H2[PtCl6] + NO + H2O + H2Se =>
3 PtSe + 2 HNO3 + 18 HCl = 3 H2[PtCl6] + 2 NO + 4 H2O + 3 H2Se
HNO3 + NO2 = HNO2 + NO3 =>
HNO3 + NO2 = HNO2 + NO3
Co2Co3 = CoCo3 =>
4 Co2Co3 = 5 CoCo3
CaCl2 + KOH + KClO3 = Ca2O3 + KCl + H2O =>
6 CaCl2 + 12 KOH + KClO3 = 3 Ca2O3 + 13 KCl + 6 H2O
P2 + H2 = PH3 =>
P2 + 3 H2 = 2 PH3
SO3{-2} + MnO4{-} + OH{-} = SO4{2-} + MnO4{2-} + H2O =>
SO3{-2} + 2 MnO4{-} + 2 OH{-} = SO4{2-} + 2 MnO4{2-} + H2O
KClO3 + Fe(OH)2 + H2SO4 = KCl + Fe2(SO4)3 + H2O =>
KClO3 + 6 Fe(OH)2 + 9 H2SO4 = KCl + 3 Fe2(SO4)3 + 15 H2O
KLCO3(aq) = KLC(aq) + O2(g) =>
2 KLCO3(aq) = 2 KLC(aq) + 3 O2(g)
AgF + H2SO4 = Ag2SO4 + HF =>
2 AgF + H2SO4 = Ag2SO4 + 2 HF
As2O3 + OH = AsO3 + H2O =>
As2O3 + 6 OH = 2 AsO3 + 3 H2O
FeSO4 + HNO3 + H2SO4 = Fe(SO4)3 + NO + H2O =>
3 FeSO4 + 4 HNO3 + 6 H2SO4 = 3 Fe(SO4)3 + 4 NO + 8 H2O
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