| Équations équilibrées la veille |
3 Ni(OH)2 + Ca3(PO4)2 = Ni3(PO4)2 + 3 Ca(OH)2
Na2B4O7 + C = B + Na + CO =>
Na2B4O7 + 7 C = 4 B + 2 Na + 7 CO
O3 + Fe(OH)2 + H2O = Fe(OH)3 =>
O3 + 6 Fe(OH)2 + 3 H2O = 6 Fe(OH)3
K2Cr2O7 + SnSO4 + H2SO4 = K2SO4 + Cr2(SO4)3 + Sn(SO4)2 + H2O =>
K2Cr2O7 + 3 SnSO4 + 7 H2SO4 = K2SO4 + Cr2(SO4)3 + 3 Sn(SO4)2 + 7 H2O
Fe2O3MgCO3 = Mg(FeO2)2CO2 =>
Fe2O3MgCO3 = Mg(FeO2)2CO2
C6H12O + HNO3 = C6H10O4 + N2O + H2O =>
C6H12O + 2 HNO3 = C6H10O4 + N2O + 2 H2O
Na2SO4 + Ca(NO3)2 = NaNO3 + CaSO4 =>
Na2SO4 + Ca(NO3)2 = 2 NaNO3 + CaSO4
Y2O3 + NH4HF2 = Y5O4F7 + NH4F + H2O =>
5 Y2O3 + 14 NH4HF2 = 2 Y5O4F7 + 14 NH4F + 7 H2O
FeSO4 + KClO3 + KOH = K2FeO4 + KCl + K2SO4 + H2O =>
3 FeSO4 + 2 KClO3 + 12 KOH = 3 K2FeO4 + 2 KCl + 3 K2SO4 + 6 H2O
Na2SO4 + Ca(NO3)2 = NaNO3 + CaSO4 =>
Na2SO4 + Ca(NO3)2 = 2 NaNO3 + CaSO4
(NH4)2CO3 + LiOH = (NH4)OH + Li2CO3 =>
(NH4)2CO3 + 2 LiOH = 2(NH4)OH + Li2CO3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
Ca(OH)Cl = CaCl2Ca(OH)2 =>
2 Ca(OH)Cl = CaCl2Ca(OH)2
K + Cl = KCl =>
K + Cl = KCl
Al + NaOH = Na3AlO3 + H2 =>
2 Al + 6 NaOH = 2 Na3AlO3 + 3 H2
KAl(SO4)2 + BaCl2 = AlCl3 + BaSO4 + KCl =>
KAl(SO4)2 + 2 BaCl2 = AlCl3 + 2 BaSO4 + KCl
Cae3 = Cae2 =>
2 Cae3 = 3 Cae2
Mn(NO3)2 + Na3(PO4) = Mn3(PO4)2 + NaNO3 =>
3 Mn(NO3)2 + 2 Na3(PO4) = Mn3(PO4)2 + 6 NaNO3
Cr2S3 + H2O2 + KOH = K2CrO4 + K2SO4 + H2O =>
Cr2S3 + 15 H2O2 + 10 KOH = 2 K2CrO4 + 3 K2SO4 + 20 H2O
H3PO4 + Mg(OH)2 = Mg3(PO4)2 + H2O =>
2 H3PO4 + 3 Mg(OH)2 = Mg3(PO4)2 + 6 H2O
BaCl2 + NaOH = Ba(OH)2 + NaCl =>
BaCl2 + 2 NaOH = Ba(OH)2 + 2 NaCl
SiO2 + Ca(OH)2 = CaSiO3 + H2O =>
SiO2 + Ca(OH)2 = CaSiO3 + H2O
Hg(OH)2 = O2H2Hg =>
Hg(OH)2 = O2H2Hg
K2CO3 + Mn2(SO4)3 = K2SO4 + Mn2(CO3)3 =>
3 K2CO3 + Mn2(SO4)3 = 3 K2SO4 + Mn2(CO3)3
Ca(OH)2 + HF = H2O + CaF2 =>
Ca(OH)2 + 2 HF = 2 H2O + CaF2
ClNH3C3H5(COOH)2 + NaOH = NH2C3H5(COONa)2 + NaCl + H2O =>
ClNH3C3H5(COOH)2 + 3 NaOH = NH2C3H5(COONa)2 + NaCl + 3 H2O
Pb(NO3)2 + H2O2 + KOH = K2PbO3 + H2O + KNO3 =>
Pb(NO3)2 + H2O2 + 4 KOH = K2PbO3 + 3 H2O + 2 KNO3
P2S5 + NH3 = P2S4NH2 + HS =>
P2S5 + NH3 = P2S4NH2 + HS
Cu(MnPO4)2 + Na2S = CuS + Na(MnPO4) =>
Cu(MnPO4)2 + Na2S = CuS + 2 Na(MnPO4)
K2CrO7 + KI + H2SO4 = K2SO4 + Cr(SO4)3 + I2 + H2O =>
K2CrO7 + 6 KI + 7 H2SO4 = 4 K2SO4 + Cr(SO4)3 + 3 I2 + 7 H2O
Ca{2+} + PO4{3-} = Ca + PO4 =>
3 Ca{2+} + 2 PO4{3-} = 3 Ca + 2 PO4
C2H4(OH)2 + Na = C2H4ONa2 + HOH =>
C2H4(OH)2 + 2 Na = C2H4ONa2 + HOH
N2 + CaF2 = Ca3N2 + F2 =>
N2 + 3 CaF2 = Ca3N2 + 3 F2
Ba(ClO3)2 + NaCO3 = NaClO3 + Ba(CO3)2 =>
Ba(ClO3)2 + 2 NaCO3 = 2 NaClO3 + Ba(CO3)2
SeCl6 + O2 = SeO2 + Cl2 =>
SeCl6 + O2 = SeO2 + 3 Cl2
Na2CO3 + H2O = NaOH + NaHCO3 =>
Na2CO3 + H2O = NaOH + NaHCO3
NaClO + NH3 = NaOH + NCl3 =>
3 NaClO + NH3 = 3 NaOH + NCl3
Na2CO3 + CrCl3 + H2O = Cr(OH)3 + NaHCO3 + NaCl =>
3 Na2CO3 + CrCl3 + 3 H2O = Cr(OH)3 + 3 NaHCO3 + 3 NaCl
C2H5OH + NH4Cl = NH3 + C2H5Cl + H2O =>
C2H5OH + NH4Cl = NH3 + C2H5Cl + H2O
CaSO4 + NaClO = Na2SO4 + Ca(ClO)2 =>
CaSO4 + 2 NaClO = Na2SO4 + Ca(ClO)2
C2H5I + O2 = CO2 + H2O + I2 =>
4 C2H5I + 13 O2 = 8 CO2 + 10 H2O + 2 I2
Ni + HNO3 = H2O + Ni(NO3)2 + NO =>
3 Ni + 8 HNO3 = 4 H2O + 3 Ni(NO3)2 + 2 NO
Br2 + KJ = J2 + KBr =>
Br2 + 2 KJ = J2 + 2 KBr
CaCO3 + Na3PO4 = CaPO4 + CO3Na3 =>
CaCO3 + Na3PO4 = CaPO4 + CO3Na3
NaOH(aq) + NaNO2(aq) + Al(s) + H2O(l) = NH3(aq) + NaAlO2(aq) =>
NaOH(aq) + NaNO2(aq) + 2 Al(s) + H2O(l) = NH3(aq) + 2 NaAlO2(aq)
K[Al(OH)4]CO2 = KHCO3Al(OH)3 =>
K[Al(OH)4]CO2 = KHCO3Al(OH)3
Al2(SO4)3 + NaPO4 = Al(PO4)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaPO4 = 2 Al(PO4)3 + 3 Na2SO4
H2SO4(l) + NaOH(aq) = HOH(l) + Na2SO4(s) =>
H2SO4(l) + 2 NaOH(aq) = 2 HOH(l) + Na2SO4(s)
Na + FeBr3 = NaBr + Fe =>
3 Na + FeBr3 = 3 NaBr + Fe
Cu(NO3)2 + NH3 + H2O = Cu(OH)2 + NHNO3 =>
11 Cu(NO3)2 + 10 NH3 + 4 H2O = 11 Cu(OH)2 + 16 NHNO3
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