| Équations équilibrées la veille | Équations équilibrées le lendemain |
Fe + 2 HCl = FeCl2 + H2
BaCl2 + K2SO4 = KCl + Ba2(SO4)2 =>
2 BaCl2 + 2 K2SO4 = 4 KCl + Ba2(SO4)2
NH4Cl + NaNO2 = NaCl + N2 + H2O =>
NH4Cl + NaNO2 = NaCl + N2 + 2 H2O
NaOH + HCI = NaCI + H2O =>
NaOH + HCI = NaCI + H2O
Cu + HNO3 = Cu(NO3)2 + H2O + NO2 =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 H2O + 2 NO2
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
NH4{+} + Na{+} + [Co(NO2)6]{3-} = (NH4)2Na[Co(NO2)6](s) =>
2 NH4{+} + Na{+} + [Co(NO2)6]{3-} = (NH4)2Na[Co(NO2)6](s)
K2Cr2O7 + KBr + HCl = CrCl3 + Br2 + KCl + H2O =>
K2Cr2O7 + 6 KBr + 14 HCl = 2 CrCl3 + 3 Br2 + 8 KCl + 7 H2O
CdCl2(aq) + Na2Co3(aq) = NaCl(aq) + CdCo3(s) =>
CdCl2(aq) + Na2Co3(aq) = 2 NaCl(aq) + CdCo3(s)
C5H10 + KMnO4 + H2SO4 = C3H6O2 + H2O + MnSO4 + K2SO4 =>
3 C5H10 + 4 KMnO4 + 6 H2SO4 = 5 C3H6O2 + 6 H2O + 4 MnSO4 + 2 K2SO4
Cu + HNO3 = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 4 H2O + 2 NO
SrS(aq) + CuSO4(aq) = SrSO4(aq) + CuS(s) =>
SrS(aq) + CuSO4(aq) = SrSO4(aq) + CuS(s)
Ca(HCO3)2 + HNO3 = Ca(NO3)2 + H2O + CO2 =>
Ca(HCO3)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O + 2 CO2
I2 + NaOH = NaI + NaIO3 + H20 =>
30 I2 + 60 NaOH = 40 NaI + 20 NaIO3 + 3 H20
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
KIO3 + KI + H2SO4 = K2SO4 + H2O + I3 =>
KIO3 + 5 KI + 3 H2SO4 = 3 K2SO4 + 3 H2O + 2 I3
Fe + H2O(steam) = Fe2O3 + H2(g) =>
2 Fe + 3 H2O(steam) = Fe2O3 + 3 H2(g)
BaCl2 + Na2So4 = BaSo4 + NaCl =>
BaCl2 + Na2So4 = BaSo4 + 2 NaCl
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
HCl + Mg(OH)2 = MgCl2 + H2O =>
2 HCl + Mg(OH)2 = MgCl2 + 2 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
Mg(s) + H2O(g) = Mg(OH)2(aq) + H2(g) =>
Mg(s) + 2 H2O(g) = Mg(OH)2(aq) + H2(g)
K2Cr2O7 + S + H2O = SO2 + KOH + Cr2O3 =>
2 K2Cr2O7 + 3 S + 2 H2O = 3 SO2 + 4 KOH + 2 Cr2O3
Al2O3 + H2SO4 = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2SO4 = Al2(SO4)3 + 3 H2O
Zn + HgSO4 = ZnSO4 + Hg =>
Zn + HgSO4 = ZnSO4 + Hg
P + KIO3 + NaOH = Na3PO4 + KI + H2O =>
6 P + 5 KIO3 + 18 NaOH = 6 Na3PO4 + 5 KI + 9 H2O
Na2[Zn(OH)4] + HNO3 = NaNO3 + Zn(OH)2 + H2O =>
Na2[Zn(OH)4] + 2 HNO3 = 2 NaNO3 + Zn(OH)2 + 2 H2O
Pb(NO3)2 + FeCl3 = PbCl2 + Fe(NO3)3 =>
3 Pb(NO3)2 + 2 FeCl3 = 3 PbCl2 + 2 Fe(NO3)3
C + H2SO4 = CO2 + H2O + SO2 =>
C + 2 H2SO4 = CO2 + 2 H2O + 2 SO2
BAI2 + AGNO3 = BANO3 + AGI2 =>
BAI2 + AGNO3 = BANO3 + AGI2
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
C2H6O + CH3COOH = CH3COOCH2CH3 + H2O =>
C2H6O + CH3COOH = CH3COOCH2CH3 + H2O
Al(NO3)3 + NH4OH = Al(OH)3 + NH4(NO3) =>
Al(NO3)3 + 3 NH4OH = Al(OH)3 + 3 NH4(NO3)
K2CO3 + C + N2 = KCN + CO =>
K2CO3 + 4 C + N2 = 2 KCN + 3 CO
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
C8H10 + NaMnO4 = C7H5O2Na + MnO2 + Na2CO3 + H2O =>
3 C8H10 + 22 NaMnO4 = 2 C7H5O2Na + 22 MnO2 + 10 Na2CO3 + 10 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
NiCl2 + NaOH = NaCl + Ni(OH)2 =>
NiCl2 + 2 NaOH = 2 NaCl + Ni(OH)2
C8H10 + NaMnO4 = C7H6O2 + MnO2 + Na2CO3 + H2O =>
2 C8H10 + 18 NaMnO4 = C7H6O2 + 18 MnO2 + 9 Na2CO3 + 7 H2O
Pb(NO3)2 + K2CrO4 = PbCrO4 + KNO3 =>
Pb(NO3)2 + K2CrO4 = PbCrO4 + 2 KNO3
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
S + H2SO4 = H2O + SO2 =>
S + 2 H2SO4 = 2 H2O + 3 SO2
K2Cr2O7 + C + H2SO4 = Cr2(SO4)3 + CO2 + K2SO4 + H2O =>
2 K2Cr2O7 + 3 C + 8 H2SO4 = 2 Cr2(SO4)3 + 3 CO2 + 2 K2SO4 + 8 H2O
Pb(NO3)2 + KI = KNO3 + PbI2 =>
Pb(NO3)2 + 2 KI = 2 KNO3 + PbI2
Mn2 + O2 = MnO2 =>
Mn2 + 2 O2 = 2 MnO2
MgCl2 + NH3 + H2O = Mg(OH)2 + NH4Cl =>
MgCl2 + 2 NH3 + 2 H2O = Mg(OH)2 + 2 NH4Cl
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Na + H2O = H2 + NaOH =>
2 Na + 2 H2O = H2 + 2 NaOH
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
Équations équilibrées sur03/18/15
Équations équilibrées sur04/17/14
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