| Équations équilibrées la veille |
CaCl2 + 2 AgC2H3O2 = Ca(C2H3O2)2 + 2 AgCl
Al(OH)3 + BaMnO4 + H2O = Al(MnO4)3 + MnO2 + Ba(Al(OH)4)2 =>
20 Al(OH)3 + 9 BaMnO4 + 6 H2O = 2 Al(MnO4)3 + 3 MnO2 + 9 Ba(Al(OH)4)2
Cr{3} + Mn = Cr + Mn{2} =>
2 Cr{3} + 3 Mn = 2 Cr + 3 Mn{2}
H2S(g) + NaBrO3(ac) = S(s) + NaBr(g) + H2O(ac) =>
3 H2S(g) + NaBrO3(ac) = 3 S(s) + NaBr(g) + 3 H2O(ac)
C5 + N2 = C53N =>
106 C5 + 5 N2 = 10 C53N
KMnO4 + NH4 = N2 + H2O + MnO2 + KOH =>
8 KMnO4 + 6 NH4 = 3 N2 + 8 H2O + 8 MnO2 + 8 KOH
NaClO + HCl = Cl2 + NaOH =>
NaClO + HCl = Cl2 + NaOH
NH4O3(s) = N2(g) + O(g) + H2O(g) =>
2 NH4O3(s) = N2(g) + 2 O(g) + 4 H2O(g)
Fe(OH)3 + (NH4)2S = FeS + S + NH3 + H2O =>
2 Fe(OH)3 + 3(NH4)2S = 2 FeS + S + 6 NH3 + 6 H2O
KMnO4 + KCNS + HNO3 = HCN + Mn(NO3)2 + K2SO4 + H2O + KNO3 =>
6 KMnO4 + 5 KCNS + 13 HNO3 = 5 HCN + 6 Mn(NO3)2 + 5 K2SO4 + 4 H2O + KNO3
CaCO3 + C2 = Ca + CO2 =>
4 CaCO3 + C2 = 4 Ca + 6 CO2
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
F2 + I{-} = F{-} + I2 =>
F2 + 2 I{-} = 2 F{-} + I2
SrI2 + Al = AlI + Sr =>
SrI2 + 2 Al = 2 AlI + Sr
ZnO + Cl2 = ZnCl2 + O2 =>
2 ZnO + 2 Cl2 = 2 ZnCl2 + O2
Ca(OH)2 + C2H2 + CI2 = CaCI2 + C2HCI3 + H2O =>
Ca(OH)2 + 3 C2H2 + 7 CI2 = CaCI2 + 4 C2HCI3 + 2 H2O
Na + Cl = NaCl =>
Na + Cl = NaCl
Na + I2 = NaI =>
2 Na + I2 = 2 NaI
Mg(s) + CuSO4(ag) = MgSO4(ag) + Cu(s) =>
Mg(s) + CuSO4(ag) = MgSO4(ag) + Cu(s)
Al2O3 + CO = Al + CO2 =>
Al2O3 + 3 CO = 2 Al + 3 CO2
PbSO4 + Ag = PbSO4Ag =>
PbSO4 + Ag = PbSO4Ag
C6H5CHO + KMnO4 + Na2CO3 = C7H4COOH + MnO2 + NaOH + K2CO3 =>
15 C6H5CHO + 6 KMnO4 + 10 Na2CO3 = 14 C7H4COOH + 6 MnO2 + 20 NaOH + 3 K2CO3
Ni(CO)4 = ()Ni + ()CO =>
Ni(CO)4 = ()Ni + 4()CO
NH4Cl + MnO2 + H2SO4 = Cl2 + MnCl2 + (NH4)2SO4 + H2O =>
4 NH4Cl + MnO2 + 2 H2SO4 = Cl2 + MnCl2 + 2(NH4)2SO4 + 2 H2O
K3PO4 + Al(OH)3 = KOH + AlPO4 =>
K3PO4 + Al(OH)3 = 3 KOH + AlPO4
NN + OO = ONO =>
NN + 2 OO = 2 ONO
C7H5BiO4 + HCl = BiCl3 + H2O + C7H6O3 =>
C7H5BiO4 + 3 HCl = BiCl3 + H2O + C7H6O3
HgNH2Cl = Hg2Cl2 + N2 + NH3 =>
6 HgNH2Cl = 3 Hg2Cl2 + N2 + 4 NH3
Ni(NO3)3 + Cr(NO3)2 + NaNO3 + H2O = HNO3 + NaCrO4 + Ni(NO3)2 =>
5 Ni(NO3)3 + Cr(NO3)2 + NaNO3 + 4 H2O = 8 HNO3 + NaCrO4 + 5 Ni(NO3)2
K2Cr2O7 + HCl + Zn = CrCl3 + H2O + KCl + ZnCl2 =>
K2Cr2O7 + 14 HCl + 3 Zn = 2 CrCl3 + 7 H2O + 2 KCl + 3 ZnCl2
NaCe + H2O = NaOH + H2 + Ce2 =>
2 NaCe + 2 H2O = 2 NaOH + H2 + Ce2
Al(s) + H2O(l) = Al3OH(aq) + H2(g) =>
6 Al(s) + 2 H2O(l) = 2 Al3OH(aq) + H2(g)
Li2SO4 + H2O = LiHSO4 + LiOH =>
Li2SO4 + H2O = LiHSO4 + LiOH
NaCO + BN = NaN + BCO =>
NaCO + BN = NaN + BCO
Ba1O + H2O = Ba(O1H1)2 =>
Ba1O + H2O = Ba(O1H1)2
Cr{3} + Mn = Cr + Mn{2} =>
2 Cr{3} + 3 Mn = 2 Cr + 3 Mn{2}
Zn(NO3)2*6H2O + C7H6O5 = ZnO + CO2 + H2O + N2 =>
12 Zn(NO3)2*6H2O + 5 C7H6O5 = 12 ZnO + 35 CO2 + 87 H2O + 12 N2
Fe2(SO4)3 + H2O = Fe(OH)3 + H{+} + SO4{-2} =>
Fe2(SO4)3 + 6 H2O = 2 Fe(OH)3 + 6 H{+} + 3 SO4{-2}
Ag + HCl = AgCl + H2 =>
2 Ag + 2 HCl = 2 AgCl + H2
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
Cr(OH)2 + NaBr = CrBr2 + NaOH =>
Cr(OH)2 + 2 NaBr = CrBr2 + 2 NaOH
NO2{-} + H2O + Al + OH{-} = NH3 + Al(OH)4{-} =>
NO2{-} + 5 H2O + 2 Al + OH{-} = NH3 + 2 Al(OH)4{-}
Cu2CO3 + HBr = CO2 + H2O + CuBr =>
Cu2CO3 + 2 HBr = CO2 + H2O + 2 CuBr
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al[NO3]3 + H2SO4 = Al2[SO4]3 + HNO3 =>
2 Al[NO3]3 + 3 H2SO4 = Al2[SO4]3 + 6 HNO3
Cr + Fe(NO3)2 = Fe + Cr(NO3)3 =>
2 Cr + 3 Fe(NO3)2 = 3 Fe + 2 Cr(NO3)3
HNO3 + H3PO4 = NH4PO7 =>
HNO3 + H3PO4 = NH4PO7
K2S + KNO3 + H2SO4 = NO + K2SO4 + H2O =>
3 K2S + 8 KNO3 + 4 H2SO4 = 8 NO + 7 K2SO4 + 4 H2O
Br{-} + Cr2O7{2-} + H{+} = Br2 + Cr{3+} + H2O =>
6 Br{-} + Cr2O7{2-} + 14 H{+} = 3 Br2 + 2 Cr{3+} + 7 H2O
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