| Équations équilibrées la veille | Équations équilibrées le lendemain |
Cu{2+} + 2 AgNO3 = 2 Ag{+} + Cu(NO3)2
Cu(CH3COO)2*H2O + N2H4*H2O = Cu2O + N2 + CH3COOH + H2O =>
4 Cu(CH3COO)2*H2O + N2H4*H2O = 2 Cu2O + N2 + 8 CH3COOH + 3 H2O
AgCl + HCl = AgH + Cl =>
AgCl + HCl = AgH + 2 Cl
Al + H3I = AlI3 + H2 =>
2 Al + 6 H3I = 2 AlI3 + 9 H2
Al2O3 + H2(SO4) = Al2(SO4)3 + H2O =>
Al2O3 + 3 H2(SO4) = Al2(SO4)3 + 3 H2O
C4H9NH2 + Br2 = C4H9NH2Br2 =>
C4H9NH2 + Br2 = C4H9NH2Br2
BaCl2(aq) + AgNo3(aq) = AgCl(s) + Ba(No3)2(aq) =>
BaCl2(aq) + 2 AgNo3(aq) = 2 AgCl(s) + Ba(No3)2(aq)
Ca(OH)2 = H2O(q) + CaO(s) =>
Ca(OH)2 = H2O(q) + CaO(s)
As2O3 + HCl + Al = AlCl3 + H2O + AsH3 =>
As2O3 + 12 HCl + 4 Al = 4 AlCl3 + 3 H2O + 2 AsH3
Mg(ClO3)2 + AlPO4 = Mg3(PO4)2 + Al(ClO3)3 =>
3 Mg(ClO3)2 + 2 AlPO4 = Mg3(PO4)2 + 2 Al(ClO3)3
NH4OH + CuSO4 = (NH4)2 + SO4 + CuOH =>
2 NH4OH + 2 CuSO4 = (NH4)2 + 2 SO4 + 2 CuOH
MgHCO3 + HNO3 = Mg(NO3) + H2O + CO2 =>
MgHCO3 + HNO3 = Mg(NO3) + H2O + CO2
FeSO4 + H2SO4 + K2Cr2O7 = Cr2(SO4)3 + Fe2(SO4)3 + H2O + KHSO4 =>
6 FeSO4 + 8 H2SO4 + K2Cr2O7 = Cr2(SO4)3 + 3 Fe2(SO4)3 + 7 H2O + 2 KHSO4
HCl + NH3 = H2 + NCl3 =>
3 HCl + NH3 = 3 H2 + NCl3
H2WF8 + NaOH = Na2WOF6 + NaF + H2O =>
H2WF8 + 4 NaOH = Na2WOF6 + 2 NaF + 3 H2O
O2 + C5H12O2 = CO2 + H2O =>
7 O2 + C5H12O2 = 5 CO2 + 6 H2O
Na2CO3 + FeS2O3 = Na2S2O3 + FeCO3 =>
Na2CO3 + FeS2O3 = Na2S2O3 + FeCO3
SeO2 + H2O = H2Se3O7 =>
3 SeO2 + H2O = H2Se3O7
P2O5 + H2O = H3PO4 =>
P2O5 + 3 H2O = 2 H3PO4
ZnO2 + H2SO4 = ZnSO4 + O2 + H2O =>
2 ZnO2 + 2 H2SO4 = 2 ZnSO4 + O2 + 2 H2O
CO2 + H2O = C + OH =>
CO2 + 2 H2O = C + 4 OH
N2O5 + C2H4 = CO + NO + H2O =>
4 N2O5 + 3 C2H4 = 6 CO + 8 NO + 6 H2O
KBr + MnCl2 = KCl + MnBr2 =>
2 KBr + MnCl2 = 2 KCl + MnBr2
CaF2 + H3PO3 = HF + Ca3(PO3)2 =>
3 CaF2 + 2 H3PO3 = 6 HF + Ca3(PO3)2
CH3(H2)7CHCH(CH2)7COOH + O2 = CO2 + H2O =>
2 CH3(H2)7CHCH(CH2)7COOH + 37 O2 = 22 CO2 + 34 H2O
N2H4 + CO3{-2} = N2 + CO + OH{-} =>
N2H4 + 2 CO3{-2} = N2 + 2 CO + 4 OH{-}
NaHCO3(aq) + CuSO4(aq) = Na2SO4(aq) + CuCO3(aq) + H2O(l) + CO2(g) =>
2 NaHCO3(aq) + CuSO4(aq) = Na2SO4(aq) + CuCO3(aq) + H2O(l) + CO2(g)
Ge(OH)4H2CO3 = Ge(OH)3HCO3H2O =>
Ge(OH)4H2CO3 = Ge(OH)3HCO3H2O
CuO2 + NO2 = Cu(NO3)2 =>
CuO2 + 2 NO2 = Cu(NO3)2
H2O(l) + Fe(s) = Fe2O3(s) + H2(g) =>
3 H2O(l) + 2 Fe(s) = Fe2O3(s) + 3 H2(g)
Cu(s)ZnCl2(aq) = CuCl2Zn =>
Cu(s)ZnCl2(aq) = CuCl2Zn
Cu{2+} + NH3 = CuNH3{2+} =>
Cu{2+} + NH3 = CuNH3{2+}
AgBr + Fe2(CO3)3 = FeBr3 + Ag2(CO3) =>
6 AgBr + Fe2(CO3)3 = 2 FeBr3 + 3 Ag2(CO3)
Fe(III) + HCl = H2 + Fe(III)Cl =>
2 Fe(III) + 2 HCl = H2 + 2 Fe(III)Cl
Ra + H2Se = RaSe + H2 =>
Ra + H2Se = RaSe + H2
Na + Al + O = NaAl14O21 =>
Na + 14 Al + 21 O = NaAl14O21
Cd(NH3)4 + HCl + NaOH = NH4Cl + Cd(OH)2 + Na =>
Cd(NH3)4 + 4 HCl + 2 NaOH = 4 NH4Cl + Cd(OH)2 + 2 Na
NH4Cl + Dy2O3 = (NH4)2[DyCl5] + NH3 + H2O =>
10 NH4Cl + Dy2O3 = 2(NH4)2[DyCl5] + 6 NH3 + 3 H2O
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
Zn(OH)2 + CH3COOH = (CH3COO)2Zn + H2O =>
Zn(OH)2 + 2 CH3COOH = (CH3COO)2Zn + 2 H2O
HNO2 + (NH4)SO3NH2 = H2O + N2 + H2SO4 =>
2 HNO2 + (NH4)SO3NH2 = 3 H2O + 2 N2 + H2SO4
OFeCl3 + SO2 + H2O = FeCl2 + HCl + H2SO4 =>
2 OFeCl3 + 3 SO2 + 4 H2O = 2 FeCl2 + 2 HCl + 3 H2SO4
Ga(s) + Cl2(g) = GaCl2 =>
Ga(s) + Cl2(g) = GaCl2
CH3COOH + NaOH = NaCOOH + CH2 + H2O =>
CH3COOH + NaOH = NaCOOH + CH2 + H2O
H2SO4 + ZnO = H2ZnO2 + SO3 =>
H2SO4 + ZnO = H2ZnO2 + SO3
Pb2NO2 + Al = AlNO2 + Pb =>
Pb2NO2 + Al = AlNO2 + 2 Pb
HCOOH + H{+} + Cr2O72{-} = CO2 + H2O + Cr3{+} =>
427 HCOOH + 10 H{+} + 6 Cr2O72{-} = 427 CO2 + 432 H2O + 4 Cr3{+}
C6H5CH(CH3)OH = C6H5CHCH2 + H2O =>
C6H5CH(CH3)OH = C6H5CHCH2 + H2O
NH3(ac) + H2O(l) = NH4 + OH(ac) =>
NH3(ac) + H2O(l) = NH4 + OH(ac)
C6H12O6 + (NH4)2 = C2H5O2N + H2 =>
2 C6H12O6 + 3(NH4)2 = 6 C2H5O2N + 9 H2
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