| Équations équilibrées la veille | Équations équilibrées le lendemain |
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
PCl5 + H20 = H3P04 + HCl =>
80 PCl5 + 23 H20 = 20 H3P04 + 400 HCl
K2WS4 + HCl = WS3 + KCl + H2S =>
K2WS4 + 2 HCl = WS3 + 2 KCl + H2S
C + CaO = CO + Ca =>
C + CaO = CO + Ca
(CN3H6)2C2O4 + Fe2(C2O4)3 = (CN3H6)3[Fe(C2O4)3] =>
3(CN3H6)2C2O4 + Fe2(C2O4)3 = 2(CN3H6)3[Fe(C2O4)3]
P2O3 + KOH = K3PO3 + H2O =>
P2O3 + 6 KOH = 2 K3PO3 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + HCl = H2O + NaCl =>
NaOH + HCl = H2O + NaCl
FeS + HCl = FeCl2 + H2S =>
FeS + 2 HCl = FeCl2 + H2S
SO3 + Ca(OH)2 = H2O + CaSO4 =>
SO3 + Ca(OH)2 = H2O + CaSO4
CuO + H2 = Cu2 + H2O =>
2 CuO + 2 H2 = Cu2 + 2 H2O
CH3Cl + HCl = Cl2 + CH4 =>
CH3Cl + HCl = Cl2 + CH4
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CH3Cl + HCl = Cl2 + CH4 =>
CH3Cl + HCl = Cl2 + CH4
HCl + BA(OH)2 = BACl2 + H2O =>
2 HCl + BA(OH)2 = BACl2 + 2 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
MnO4{-} + NO{-} + H{+} = NO3{-} + Mn + H2O =>
4 MnO4{-} + 7 NO{-} + 4 H{+} = 7 NO3{-} + 4 Mn + 2 H2O
C6H12O6 + Cu{+2} + OH{-} = C6H12O7 + Cu2O + H2O =>
C6H12O6 + 2 Cu{+2} + 4 OH{-} = C6H12O7 + Cu2O + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Na2HPO4 + Al(NO3)3 = NaNO3 + Al2(PO4)3 + H =>
3 Na2HPO4 + 2 Al(NO3)3 = 6 NaNO3 + Al2(PO4)3 + 3 H
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
KMnO4 + S + H2SO4 = MnSO4 + K2SO4 + H2O =>
6 KMnO4 + 5 S + 4 H2SO4 = 6 MnSO4 + 3 K2SO4 + 4 H2O
CuO + CH4 = Cu + H2O + CO2 =>
4 CuO + CH4 = 4 Cu + 2 H2O + CO2
Cr(OH)3 + H2O2 + NaOH = Na2CrO4 + H2O =>
2 Cr(OH)3 + 3 H2O2 + 4 NaOH = 2 Na2CrO4 + 8 H2O
H + O2 = H2O =>
4 H + O2 = 2 H2O
CaCl2 + AlPO4 = Ca3(PO4)2 + AlCl3 =>
3 CaCl2 + 2 AlPO4 = Ca3(PO4)2 + 2 AlCl3
CrCl3 + KCN = Cr(CN)3 + KCl =>
CrCl3 + 3 KCN = Cr(CN)3 + 3 KCl
H3PO4 + NaOH = Na2HPO4 + H2O =>
H3PO4 + 2 NaOH = Na2HPO4 + 2 H2O
BaSO3 + HCl = BaCl2 + H2SO3 =>
BaSO3 + 2 HCl = BaCl2 + H2SO3
CaCl = Ca + Cl2 =>
2 CaCl = 2 Ca + Cl2
Pb(NO3)2(aq) + KI(aq) = KNO3(aq) + PbI2(s) =>
Pb(NO3)2(aq) + 2 KI(aq) = 2 KNO3(aq) + PbI2(s)
FeS2 + HNO3 = Fe(NO3)3 + H2SO4 + NO2 + H2O =>
FeS2 + 18 HNO3 = Fe(NO3)3 + 2 H2SO4 + 15 NO2 + 7 H2O
CrCl3 + KCN = K3(Cr(CN)6) + KCl =>
CrCl3 + 6 KCN = K3(Cr(CN)6) + 3 KCl
CaCO3 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
CaCO3 + 2 HNO3 = Ca(NO3)2 + H2O + CO2
KMnO4 = K2O + MnO2 + O2 =>
4 KMnO4 = 2 K2O + 4 MnO2 + 3 O2
KIO3 + Na2SO3 = Na2SO4 + KI =>
KIO3 + 3 Na2SO3 = 3 Na2SO4 + KI
AgNO3 + CuCl2 = AgCl + Cu(NO3)2 =>
2 AgNO3 + CuCl2 = 2 AgCl + Cu(NO3)2
CrCl3 + KCN = K2(Cr(CN)5) + KCl =>
CrCl3 + 5 KCN = K2(Cr(CN)5) + 3 KCl
NaNO3 + HCl = NaCl + HNO3 =>
NaNO3 + HCl = NaCl + HNO3
Br2 + H2S + H2O = H2SO4 + HBr =>
4 Br2 + H2S + 4 H2O = H2SO4 + 8 HBr
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
HCOH + Cu{+2} + OH{-} = HCOOH + Cu2O + H2O =>
HCOH + 2 Cu{+2} + 4 OH{-} = HCOOH + Cu2O + 2 H2O
K2Cr2O7 + HCl = K2O + Cr2O3 + H2O + Cl2 =>
K2Cr2O7 + 6 HCl = K2O + Cr2O3 + 3 H2O + 3 Cl2
Zn + HCl = ZnCl2 + H =>
Zn + 2 HCl = ZnCl2 + 2 H
B + KOH + H2O = KBO2 + H2 =>
2 B + 2 KOH + 2 H2O = 2 KBO2 + 3 H2
Fe2O3 + C = Fe + CO2 =>
2 Fe2O3 + 3 C = 4 Fe + 3 CO2
CaCO3 + C = CaC2 + CO2 =>
2 CaCO3 + 5 C = 2 CaC2 + 3 CO2
CU + HNO3 = CU(NO3)2 + NO + H2O =>
3 CU + 8 HNO3 = 3 CU(NO3)2 + 2 NO + 4 H2O
Zn + H2SO4 = ZnSO4 + H =>
Zn + H2SO4 = ZnSO4 + 2 H
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur10/04/18
Équations équilibrées sur11/03/17
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