| Équations équilibrées la veille |
2 FeCl3 + 3 NaHSO3 + 3 H2O = 3 H2SO4 + 3 HCl + 3 NaCl + 2 Fe
CaO + H3Po4 = Ca3Po8 + H2O =>
3 CaO + 2 H3Po4 = Ca3Po8 + 3 H2O
HBr + BeO = BeBr2 + H2O =>
2 HBr + BeO = BeBr2 + H2O
P4O10 = P + O2 =>
P4O10 = 4 P + 5 O2
Mn(s) + H2SO4 = MnSO4(aq) + H2 =>
Mn(s) + H2SO4 = MnSO4(aq) + H2
MgCl2 + K2S + H2O = H2S + Mg(OH)2 + KCl =>
MgCl2 + K2S + 2 H2O = H2S + Mg(OH)2 + 2 KCl
FeSO4(aq) + NaOH(aq) = NaSO4(aq) + FeOH(s) =>
FeSO4(aq) + NaOH(aq) = NaSO4(aq) + FeOH(s)
PH3 + KMnO4 = MnO2 + K3PO4 + H2O + Mn3(PO4)2 =>
12 PH3 + 30 KMnO4 = 27 MnO2 + 10 K3PO4 + 18 H2O + Mn3(PO4)2
XHg + O2 = XHgO =>
2 XHg + O2 = 2 XHgO
KMnO3 + K2SO3 + HCl = MnO2 + K2SO4 + KCl + H2O =>
2 KMnO3 + K2SO3 + 2 HCl = 2 MnO2 + K2SO4 + 2 KCl + H2O
C2H5NO2 + N2O = CO3 + H2O + N2 =>
2 C2H5NO2 + 13 N2O = 4 CO3 + 5 H2O + 14 N2
BaCl2 + Zn = Ba + ZnCl2 =>
BaCl2 + Zn = Ba + ZnCl2
NaNO3 + Zn + HCl = NH4NO3 + NaCl + Zn(NO3)2 + H2O =>
10 NaNO3 + 4 Zn + 10 HCl = NH4NO3 + 10 NaCl + 4 Zn(NO3)2 + 3 H2O
C + FeO2 = CO + Fe =>
2 C + FeO2 = 2 CO + Fe
H3COH + H3CCOOH = H3COOCCH3 + H2O =>
H3COH + H3CCOOH = H3COOCCH3 + H2O
CaCO3 + CH3COOH = Ca{2+} + CO2 + H2O + CH2COO{-} =>
4 CaCO3 + 7 CH3COOH = 4 Ca{2+} + 2 CO2 + 6 H2O + 8 CH2COO{-}
AlH2 = Al + H2 =>
AlH2 = Al + H2
Ca + Ni2(CO3)3 = Ni + CaCO3 =>
3 Ca + Ni2(CO3)3 = 2 Ni + 3 CaCO3
Br2 + KI = KBrI =>
Br2 + 2 KI = 2 KBrI
CoSO4 + KI + H2O + KIO3 = Co(OH)2 + K2SO4 + I2 =>
3 CoSO4 + 5 KI + 3 H2O + KIO3 = 3 Co(OH)2 + 3 K2SO4 + 3 I2
AgOH + H = H2O + Ag =>
AgOH + H = H2O + Ag
Pb(C2H3O2)2 + (NH4)2CO3 = PbCO3 + (NH4)2(C2H3O2)2 =>
Pb(C2H3O2)2 + (NH4)2CO3 = PbCO3 + (NH4)2(C2H3O2)2
NaH2PO2 + KMnO4 + H2SO4 = H3PO4 + Na2SO4 + H2O + MnSO4 + K2SO4 =>
10 NaH2PO2 + 8 KMnO4 + 17 H2SO4 = 10 H3PO4 + 5 Na2SO4 + 12 H2O + 8 MnSO4 + 4 K2SO4
KCl + KMnO4 + H2SO4 = MnCl2 + Cl2 + H2O + K2SO4 =>
14 KCl + 2 KMnO4 + 8 H2SO4 = 2 MnCl2 + 5 Cl2 + 8 H2O + 8 K2SO4
NHO3 = H2ON2O5 =>
2 NHO3 = H2ON2O5
H2O + H2SO4 = H3O + SO4 =>
2 H2O + H2SO4 = 2 H3O + SO4
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2 =>
Pb(CH3COO)2 + NaOH = Pb(OH) + Na(CH3COO)2
C12H26O(C2H4O)2 + C4H2O3 + NaHSO3 + NaOH = C16H28O4(C2H4O)2SO3Na2 + H2O =>
C12H26O(C2H4O)2 + C4H2O3 + NaHSO3 + NaOH = C16H28O4(C2H4O)2SO3Na2 + H2O
Cr(NO3)39H2O + KBrO3 = K2CrO4 + Br2 + O2 + KNO3 + H2O =>
2 Cr(NO3)39H2O + 82 KBrO3 = 2 K2CrO4 + 41 Br2 + 119 O2 + 78 KNO3 + 2 H2O
Pb(CH3COO)2 + NaOH = Pb(OH)2 + CH3COONa =>
Pb(CH3COO)2 + 2 NaOH = Pb(OH)2 + 2 CH3COONa
ZnO + CO2 = ZnCO3 =>
ZnO + CO2 = ZnCO3
KH2PO4 + MgI2 = MgPO4 + KH2I2 =>
KH2PO4 + MgI2 = MgPO4 + KH2I2
Rb + O2 = Rb2O1 =>
4 Rb + O2 = 2 Rb2O1
H{+} + PbO2 + Cl{-} = Pb{2+} + Cl2 + H2O =>
4 H{+} + PbO2 + 2 Cl{-} = Pb{2+} + Cl2 + 2 H2O
Fe + Cu(NO3) = Cu + Fe(NO3)2 =>
Fe + 2 Cu(NO3) = 2 Cu + Fe(NO3)2
CH3NH2 + HBr = CH3Br + NH2H =>
CH3NH2 + HBr = CH3Br + NH2H
Pb(CH3COO)4 + H2O = PbO2 + CH3COOH =>
Pb(CH3COO)4 + 2 H2O = PbO2 + 4 CH3COOH
(CrO2){-} + H2O2 + OH{-} = (CrO4){-2} + H2O =>
2(CrO2){-} + 3 H2O2 + 2 OH{-} = 2(CrO4){-2} + 4 H2O
Pb(ClO3)2 + NaI = PbI2 + NaClO3 =>
Pb(ClO3)2 + 2 NaI = PbI2 + 2 NaClO3
SrF2 + Al2O3 = AlF3 + SrO =>
3 SrF2 + Al2O3 = 2 AlF3 + 3 SrO
Na3PO4 + Cl2 = Cl2PO4 + Na3 =>
Na3PO4 + Cl2 = Cl2PO4 + Na3
KClO + H2SO4 = HClO + KHSO4 =>
KClO + H2SO4 = HClO + KHSO4
(Cr2O7){2-} + Fe{2+} = FeCr2O7 =>
(Cr2O7){2-} + Fe{2+} = FeCr2O7
Pb(IO3)2 + NaOH = Pb(OH)2 + NaIO3 =>
Pb(IO3)2 + 2 NaOH = Pb(OH)2 + 2 NaIO3
Pb(NO3)2(aq) + K(aq) = Pb2(s) + KNO3(aq) =>
2 Pb(NO3)2(aq) + 4 K(aq) = Pb2(s) + 4 KNO3(aq)
Pb(NO3)2 + K2(SO4) = PbSO4 + KNO3 =>
Pb(NO3)2 + K2(SO4) = PbSO4 + 2 KNO3
Fe(s) + AgNO3(aq) = Fe(NO3)3(aq) + Ag(aq) =>
Fe(s) + 3 AgNO3(aq) = Fe(NO3)3(aq) + 3 Ag(aq)
HNO3 + CaO = OH + CaNO3 =>
HNO3 + CaO = OH + CaNO3
Mg2O(s) + HCl = Mg2Cl + H2O(l) + Cl(g) =>
Mg2O(s) + 2 HCl = Mg2Cl + H2O(l) + Cl(g)
C8H9Cl + NH3 = C8H9NH2 + HCl =>
C8H9Cl + NH3 = C8H9NH2 + HCl
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