| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 CaCO3 + KMnO4 + 2 H2O = Ca(OH)3 + Ca2(CO3)3 + KOH + MnO2
Pb(NO3)2 + NiSO4 = PbSO4 + Ni(NO3)2 =>
Pb(NO3)2 + NiSO4 = PbSO4 + Ni(NO3)2
Fe(NO3)3 + Mg(OH)2 = Fe(OH)3 + Mg(NO3)2 =>
2 Fe(NO3)3 + 3 Mg(OH)2 = 2 Fe(OH)3 + 3 Mg(NO3)2
HCl + As2O3 + NaNO3 + H2O = NO + H2AsO4 + NaCl =>
2 HCl + As2O3 + 2 NaNO3 + H2O = 2 NO + 2 H2AsO4 + 2 NaCl
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Cu + HNO3 = NO2 + Cu2NO3 + H2O =>
2 Cu + 2 HNO3 = NO2 + Cu2NO3 + H2O
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
ZnSO4 + NaOH = Zn(OH)2 + Na2SO4 =>
ZnSO4 + 2 NaOH = Zn(OH)2 + Na2SO4
CH3CO2H(aq) + NaOH(aq) = CH3CO2Na(aq) + H2O =>
CH3CO2H(aq) + NaOH(aq) = CH3CO2Na(aq) + H2O
Pb(NO3)2 + NiSO4 = Pb(SO4) + Ni(NO3)2 =>
Pb(NO3)2 + NiSO4 = Pb(SO4) + Ni(NO3)2
H3PO4 + K = KPO4 + H =>
H3PO4 + K = KPO4 + 3 H
Rb + S8 = Rb2S =>
16 Rb + S8 = 8 Rb2S
Al + F2 = Al2F6 =>
2 Al + 3 F2 = Al2F6
Fe(s) + Au(NO3)3(aq) = Fe(NO3)2(aq) + Au(s) =>
3 Fe(s) + 2 Au(NO3)3(aq) = 3 Fe(NO3)2(aq) + 2 Au(s)
HCl + O2 = H2O + Cl2 =>
4 HCl + O2 = 2 H2O + 2 Cl2
KNO2 + K2Cr2O7 + KOH + H2O = K3[Cr(OH)6] + KNO3 =>
3 KNO2 + K2Cr2O7 + 4 KOH + 4 H2O = 2 K3[Cr(OH)6] + 3 KNO3
Ba(HO) + ZnSO4 = BaSO4 + Zn(HO) =>
Ba(HO) + ZnSO4 = BaSO4 + Zn(HO)
X3Y + A2B3 = X2 + Y3A + B3 =>
6 X3Y + A2B3 = 9 X2 + 2 Y3A + B3
P4(s) + Cl2(g) = PCl4 =>
P4(s) + 8 Cl2(g) = 4 PCl4
N(H)4(N)(O)2 = (N)2 + (H)2(O) =>
N(H)4(N)(O)2 = (N)2 + 2(H)2(O)
(NH4)2SO4(s) + NaOH(aq) = Na2SO4(aq) + H2O(l) + NH3(g) =>
(NH4)2SO4(s) + 2 NaOH(aq) = Na2SO4(aq) + 2 H2O(l) + 2 NH3(g)
NaCl + MnO4 + H2SO4 = NaHSO4 + MnSO4 + H2O + Cl2 =>
6 NaCl + MnO4 + 7 H2SO4 = 6 NaHSO4 + MnSO4 + 4 H2O + 3 Cl2
C4H6O5 + NaOH = Na2C4H4O5 + H2O =>
C4H6O5 + 2 NaOH = Na2C4H4O5 + 2 H2O
Mg + CoBr2 = MgBr2 + Co =>
Mg + CoBr2 = MgBr2 + Co
NaOAc + NH4Cl = NaCl + NH4OAc =>
NaOAc + NH4Cl = NaCl + NH4OAc
FeCO3(s) + HNO3(aq) = Fe(NO3)2(aq) + CO2(g) + H2O(l) =>
FeCO3(s) + 2 HNO3(aq) = Fe(NO3)2(aq) + CO2(g) + H2O(l)
MnO4{-} + H2S + H{+} = Mn{2+} + SO4{2-} + H2 =>
2 MnO4{-} + 2 H2S + 2 H{+} = 2 Mn{2+} + 2 SO4{2-} + 3 H2
NaClO2 + Fe = FeO + NaCl =>
NaClO2 + 2 Fe = 2 FeO + NaCl
KMnO4 + CaCO3 = K2CO3 + Ca(MnO4)2 =>
2 KMnO4 + CaCO3 = K2CO3 + Ca(MnO4)2
P2 + O5 = P2O3 =>
5 P2 + 3 O5 = 5 P2O3
NaOH + CuCl2 = Cu(OH)2 + NaCl =>
2 NaOH + CuCl2 = Cu(OH)2 + 2 NaCl
CsOH + K2Cr2O7 = KOH + Cs2O + CrO3 =>
2 CsOH + K2Cr2O7 = 2 KOH + Cs2O + 2 CrO3
Mg(C2H3O2)2 + Na2CO3 = MgCO3 + Na(C2H3O2) =>
Mg(C2H3O2)2 + Na2CO3 = MgCO3 + 2 Na(C2H3O2)
Zn(OH)2 + Al(OH)3 = ZnAl2O4 + H2O =>
Zn(OH)2 + 2 Al(OH)3 = ZnAl2O4 + 4 H2O
NaHCO3 + H2SO4 = CO2 + H2O + Na2SO4 =>
2 NaHCO3 + H2SO4 = 2 CO2 + 2 H2O + Na2SO4
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
SI + O2 = SIO2 =>
SI + O2 = SIO2
C6H10O5 + CO2 = CO + H2 =>
C6H10O5 + CO2 = 7 CO + 5 H2
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Sr(s) + HNO3(aq) = Sr(NO3)2(aq) + H2(g) =>
Sr(s) + 2 HNO3(aq) = Sr(NO3)2(aq) + H2(g)
HKO4S + KOH = K2SO4 + H2O =>
HKO4S + KOH = K2SO4 + H2O
K + S = KSK =>
2 K + S = KSK
Ir7Br6 + Pt5As4 = Ir5As6 + Pt7Br4 =>
10 Ir7Br6 + 21 Pt5As4 = 14 Ir5As6 + 15 Pt7Br4
PCl5 + OH = PO4 + Cl + H2O =>
PCl5 + 8 OH = PO4 + 5 Cl + 4 H2O
H2SO4 + NaCH3COO = Na2SO4 + HC2H3O2 =>
H2SO4 + 2 NaCH3COO = Na2SO4 + 2 HC2H3O2
Cr2CF2 = Cr3C2 + CrF2 + C =>
3 Cr2CF2 = Cr3C2 + 3 CrF2 + C
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/16/24
Équations équilibrées sur11/15/23
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