| Équations équilibrées la veille |
PB(NO3)2(aq) + Na2SO4(aq) = PBSO4(s) + 2 NaNO3(aq)
Cu2S + Cu2O = Cu + SO2 =>
Cu2S + 2 Cu2O = 6 Cu + SO2
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
NaBO3(H2O) + KI + HCl = NaCl + KCl + HBO2 + H2O + I2 =>
NaBO3(H2O) + 2 KI + 3 HCl = NaCl + 2 KCl + HBO2 + 2 H2O + I2
MgCl2 + NaOH(aq) = NaCl(aq) + Mg(OH)2 =>
MgCl2 + 2 NaOH(aq) = 2 NaCl(aq) + Mg(OH)2
HCl + CaCO3 = CaCl2 + H2O + CO2 =>
2 HCl + CaCO3 = CaCl2 + H2O + CO2
HClO2 + Mg = Mg(ClO2)2 + H2O + Cl2 =>
8 HClO2 + 3 Mg = 3 Mg(ClO2)2 + 4 H2O + Cl2
KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + KNO3(aq) =>
2 KBr(aq) + Pb(NO3)2(aq) = PbBr2(s) + 2 KNO3(aq)
KMnO4 + HNO3 + NaNO2 = Mn(NO3)3 + KNO3 + NaNO3 + H2O =>
KMnO4 + 4 HNO3 + 2 NaNO2 = Mn(NO3)3 + KNO3 + 2 NaNO3 + 2 H2O
F2 + Al2O3 = AlF3 + O2 =>
6 F2 + 2 Al2O3 = 4 AlF3 + 3 O2
CH3OH(l) + O2(g) = CO2(g) + H2O(g) =>
2 CH3OH(l) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
CaCl2 + Na3PO4 = Ca3(PO4)2 + NaCl =>
3 CaCl2 + 2 Na3PO4 = Ca3(PO4)2 + 6 NaCl
(NH4)2SO4(aq) + KOH(aq) = K2SO4(aq) + NH3(g) + H2O =>
(NH4)2SO4(aq) + 2 KOH(aq) = K2SO4(aq) + 2 NH3(g) + 2 H2O
NH4VO3 + H2O2 = NH4(VO(O2)2) + H2O =>
NH4VO3 + 2 H2O2 = NH4(VO(O2)2) + 2 H2O
Mg + Au(NO3)3 = Mg(NO3)2 + Au =>
3 Mg + 2 Au(NO3)3 = 3 Mg(NO3)2 + 2 Au
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Fe(NO3)2(aq) + H2S(g) = FeS(s) + HNO3(aq) =>
Fe(NO3)2(aq) + H2S(g) = FeS(s) + 2 HNO3(aq)
Ca(C2H2O3)2 = CaO + H2O + CO + C =>
Ca(C2H2O3)2 = CaO + 2 H2O + 3 CO + C
Fe + CuN03 = Cu + Fe(N03)2 =>
Fe + 2 CuN03 = 2 Cu + Fe(N03)2
C6H10 + Br2 = C6H10Br2 =>
C6H10 + Br2 = C6H10Br2
CdS + HNO3 = Cd(NO3)2 + H2O + NO + SO3 =>
3 CdS + 14 HNO3 = 3 Cd(NO3)2 + 7 H2O + 8 NO + 3 SO3
Mg3N2(s) + H2O(l) = Mg(OH)2(s) + NH3(g) =>
Mg3N2(s) + 6 H2O(l) = 3 Mg(OH)2(s) + 2 NH3(g)
CH3COOH + K2CO3 = CH3COOK + CO2 + H2O =>
2 CH3COOH + K2CO3 = 2 CH3COOK + CO2 + H2O
Cs + O2 = Cs2O =>
4 Cs + O2 = 2 Cs2O
Eu2(CO3)3 + HCl = EuCl3 + CO2 + H2O =>
Eu2(CO3)3 + 6 HCl = 2 EuCl3 + 3 CO2 + 3 H2O
MnO2(s) + H2SO4(l) = Mn(SO4)2(s) + H2O(l) =>
MnO2(s) + 2 H2SO4(l) = Mn(SO4)2(s) + 2 H2O(l)
AlCl3 + CuSO4 = Al(SO4) + CuCl3 =>
AlCl3 + CuSO4 = Al(SO4) + CuCl3
Na2Cr2O7 + H2C2O2 + HCl = CrCl3 + CO2 + H2O + NaCl =>
Na2Cr2O7 + H2C2O2 + 8 HCl = 2 CrCl3 + 2 CO2 + 5 H2O + 2 NaCl
Zn + H3PO4 = Zn3PO4 + H2 =>
6 Zn + 2 H3PO4 = 2 Zn3PO4 + 3 H2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
Ca(NO3)2(aq) + K3PO4(aq) = Ca3(PO4)2(s) + KNO3(aq) =>
3 Ca(NO3)2(aq) + 2 K3PO4(aq) = Ca3(PO4)2(s) + 6 KNO3(aq)
Ba(C2H3O2)2 + H2SO4 = BaSO4 + C2H4O2 =>
Ba(C2H3O2)2 + H2SO4 = BaSO4 + 2 C2H4O2
Al + CuO = Al2O3 + Cu =>
2 Al + 3 CuO = Al2O3 + 3 Cu
(NH4)2CO3 + Zn(NO3)2 = (NH4)2(NO3)2 + ZnCO3 =>
(NH4)2CO3 + Zn(NO3)2 = (NH4)2(NO3)2 + ZnCO3
FeSO4 + HNO3 = Fe2(SO4)3 + NO + Fe(NO3)2 + H2O =>
9 FeSO4 + 8 HNO3 = 3 Fe2(SO4)3 + 2 NO + 3 Fe(NO3)2 + 4 H2O
Cs + O2 = Cs2O2 =>
2 Cs + O2 = Cs2O2
Al + CO = AlCO =>
Al + CO = AlCO
P4(s) + NaOH(aq) + H2O(l) = PH3(g) + Na2HPO3(aq) =>
P4(s) + 4 NaOH(aq) + 2 H2O(l) = 2 PH3(g) + 2 Na2HPO3(aq)
CrOHBr2 + Cr(OH)3 = Cr(OH)2Br =>
CrOHBr2 + Cr(OH)3 = 2 Cr(OH)2Br
Mg3N2 + H2O = Mg(OH0)2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg(OH0)2 + 2 NH3
Li2SiO3 + H2O = LiOH + SiO2 =>
Li2SiO3 + H2O = 2 LiOH + SiO2
Zn(s) + HNO3(aq) = Zn(NO3)2(aq) + H2(g) =>
Zn(s) + 2 HNO3(aq) = Zn(NO3)2(aq) + H2(g)
N2O5 + H2O = H3O{+} + NO3{-} =>
N2O5 + 3 H2O = 2 H3O{+} + 2 NO3{-}
Rb + Al(IO4)3 = Rb(IO4) + Al =>
3 Rb + Al(IO4)3 = 3 Rb(IO4) + Al
Fe(NO3)2(aq) + Na2CrO4(aq) = Fe(CrO4)(s) + NaNO3(aq) =>
Fe(NO3)2(aq) + Na2CrO4(aq) = Fe(CrO4)(s) + 2 NaNO3(aq)
Ca + MnS4 = CaS4 + Mn =>
Ca + MnS4 = CaS4 + Mn
Mg3N2(s) + H2O(l) = NH3(g) + Mg(OH)2(s) =>
Mg3N2(s) + 6 H2O(l) = 2 NH3(g) + 3 Mg(OH)2(s)
Fe2 + K3(Fe(CN)6) + HCl = Fe2K3(Fe(CN)6)HCl =>
Fe2 + K3(Fe(CN)6) + HCl = Fe2K3(Fe(CN)6)HCl
Sc + Br = ScBr =>
Sc + Br = ScBr
K4[Fe(SCN)6] + K2Cr2O7 + H2SO4 = Fe2(SO4)3 + Cr2(SO4)3 + CO2 + H2O + K2SO4 + KNO3 =>
6 K4[Fe(SCN)6] + 97 K2Cr2O7 + 355 H2SO4 = 3 Fe2(SO4)3 + 97 Cr2(SO4)3 + 36 CO2 + 355 H2O + 91 K2SO4 + 36 KNO3
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