| Équations équilibrées la veille |
K + Cr = KCr
Zn + HNO3 = ZnNO3 + H =>
Zn + HNO3 = ZnNO3 + H
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
Na2HPO4 + NaOH = Na3PO4 + H2O =>
Na2HPO4 + NaOH = Na3PO4 + H2O
AlBr3 + Na2CO3 + H2O = Al(OH)3 + NaBr + CO2 =>
2 AlBr3 + 3 Na2CO3 + 3 H2O = 2 Al(OH)3 + 6 NaBr + 3 CO2
C7H14 + O2 = CO2 + H2O =>
2 C7H14 + 21 O2 = 14 CO2 + 14 H2O
MnSO4NaClONaOH = MnO2Na2SO4HCl =>
MnSO4NaClONaOH = MnO2Na2SO4HCl
Cr2O7{2-} + Fe{2+} + H{+} = Fe{3+} + Cr{3+} + OH{-} =>
Cr2O7{2-} + 6 Fe{2+} + 7 H{+} = 6 Fe{3+} + 2 Cr{3+} + 7 OH{-}
Zn + Ag(NO2) = Zn(NO2)2 + Ag =>
Zn + 2 Ag(NO2) = Zn(NO2)2 + 2 Ag
Zn + H3AsO4 = Zn3(AsO4)2 + H2 =>
3 Zn + 2 H3AsO4 = Zn3(AsO4)2 + 3 H2
Dy + H2SO4 = Dy2(SO4)3 + H2 =>
2 Dy + 3 H2SO4 = Dy2(SO4)3 + 3 H2
Sr + NaHPO4 = SrPO4 + NaH =>
Sr + NaHPO4 = SrPO4 + NaH
Ca(HSO3)2 = CaO + SO2 + H2O =>
Ca(HSO3)2 = CaO + 2 SO2 + H2O
Ba(C2H3O2)2(aq) + Na2CO3(aq) = BaCO3(s) + NaC2H3O2(aq) =>
Ba(C2H3O2)2(aq) + Na2CO3(aq) = BaCO3(s) + 2 NaC2H3O2(aq)
NH4NO3 + Al(OH)3 = Al(NO3)3 + NH3 + H2O =>
3 NH4NO3 + Al(OH)3 = Al(NO3)3 + 3 NH3 + 3 H2O
Ca(OH)2 + H3PO4 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 H3PO4 = Ca3(PO4)2 + 6 H2O
CaF2 + Br = CaBr2 + F =>
CaF2 + 2 Br = CaBr2 + 2 F
SO2Ba(OH)2 = H2OBaSO3 =>
SO2Ba(OH)2 = H2OBaSO3
CuSO4 + HCl = CuCl2 + SO4 + H =>
CuSO4 + 2 HCl = CuCl2 + SO4 + 2 H
Fe2(SO4)3 + AgNO3 = Ag2SO4 + Fe(NO3)3 =>
Fe2(SO4)3 + 6 AgNO3 = 3 Ag2SO4 + 2 Fe(NO3)3
C8H16O2 + H2O = CH4 + CO2 =>
2 C8H16O2 + 6 H2O = 11 CH4 + 5 CO2
KI + I2 = K{+} + I3{-} =>
KI + I2 = K{+} + I3{-}
KI(l) = K + I =>
KI(l) = K + I
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
C7H6O2 + C2H6O = C9H10O2 + H2O =>
C7H6O2 + C2H6O = C9H10O2 + H2O
MgO + SiO2 = MgSiO3 =>
MgO + SiO2 = MgSiO3
HNo3 + Zn(OH)2 = Zn(No3)2 + H2O =>
2 HNo3 + Zn(OH)2 = Zn(No3)2 + 2 H2O
Mg(NO3)2 + CaCl2 = MgCl2 + Ca(NO3)2 =>
Mg(NO3)2 + CaCl2 = MgCl2 + Ca(NO3)2
KNO3 + H2SO4 = K2SO4 + nitricacid =>
2 KNO3 + H2SO4 = K2SO4 + 2 HNO3
NiO2 + K = Ni + K2O =>
NiO2 + 4 K = Ni + 2 K2O
CuSO4 + PH3 + H2O = Cu3P + H3PO4 + H2SO4 =>
24 CuSO4 + 11 PH3 + 12 H2O = 8 Cu3P + 3 H3PO4 + 24 H2SO4
Mg(s) + Cu(CH3COO)2(aq) = Mg(CH3COO)2(aq) + Cu(s) =>
Mg(s) + Cu(CH3COO)2(aq) = Mg(CH3COO)2(aq) + Cu(s)
(NH4)2Cr2O7 + BaCl2 = BaCr2O7 + (NH4)2Cl2 =>
(NH4)2Cr2O7 + BaCl2 = BaCr2O7 + (NH4)2Cl2
Na + Al + H2 = Na[AlH4] =>
Na + Al + 2 H2 = Na[AlH4]
BaCl2 + (NH4)2Cr2O7 = BaCr2O7 + NH4Cl =>
BaCl2 + (NH4)2Cr2O7 = BaCr2O7 + 2 NH4Cl
Br2 + KI(s) = KBr(s) + I2(s) =>
Br2 + 2 KI(s) = 2 KBr(s) + I2(s)
Ca(NO3)2*4H2O + Na3PO4 = NaNO3 + Ca3(PO4)2 + H2O =>
3 Ca(NO3)2*4H2O + 2 Na3PO4 = 6 NaNO3 + Ca3(PO4)2 + 12 H2O
C6H5(OCOCH3)COOH + NaOH = C6H5(OCOCH3)COONa + H2O =>
C6H5(OCOCH3)COOH + NaOH = C6H5(OCOCH3)COONa + H2O
As2S3 + NaOH = NaAsO2 + Na2S + H2O =>
As2S3 + 8 NaOH = 2 NaAsO2 + 3 Na2S + 4 H2O
Cl2 + KI(ac) = KCl(ac) + I2 =>
Cl2 + 2 KI(ac) = 2 KCl(ac) + I2
MgCl2 + Na3PO4 = Mg3(PO4)2 + NaCl =>
3 MgCl2 + 2 Na3PO4 = Mg3(PO4)2 + 6 NaCl
MnCl2 + K4[Fe(CN)6] = Mn2[Fe(CN)6] + KCl =>
2 MnCl2 + K4[Fe(CN)6] = Mn2[Fe(CN)6] + 4 KCl
K2Cr2O7 + NaOH + H[SnCl3] + H2O = K[Cr(OH)4] + Na2[Sn(OH)6] + NaCl =>
K2Cr2O7 + 15 NaOH + 3 H[SnCl3] + 4 H2O = 2 K[Cr(OH)4] + 3 Na2[Sn(OH)6] + 9 NaCl
NH4NO3 + Al(OH)3 = Al(NO3)3 + NH3 + H2O =>
3 NH4NO3 + Al(OH)3 = Al(NO3)3 + 3 NH3 + 3 H2O
PbO2 + Sb + NaOH = Pb0 + NaSbO + H2O =>
PbO2 + 4 Sb + 4 NaOH = Pb0 + 4 NaSbO + 2 H2O
KCrO2 + Br2 + KOH = K2CrO4 + H2O + KBr =>
2 KCrO2 + 3 Br2 + 8 KOH = 2 K2CrO4 + 4 H2O + 6 KBr
KI + I2 = KII =>
2 KI + I2 = 2 KII
Sn + O3 = SnO3 =>
Sn + O3 = SnO3
Ag2(CrO)4 + NaCl = Na2(CrO)4 + AgCl =>
Ag2(CrO)4 + 2 NaCl = Na2(CrO)4 + 2 AgCl
Fe2O2 + H2 = Fe + H2O =>
Fe2O2 + 2 H2 = 2 Fe + 2 H2O
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