| Équations équilibrées la veille | Équations équilibrées le lendemain |
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
Al(OH)3(s) + HNO3(aq) = Al(NO3)3(aq) + H2O(l) =>
Al(OH)3(s) + 3 HNO3(aq) = Al(NO3)3(aq) + 3 H2O(l)
CrO + KNO3 + KOH = K2CrO4 + KNO2 + H2O =>
CrO + 2 KNO3 + 2 KOH = K2CrO4 + 2 KNO2 + H2O
Na2SO4 + CaCl2 = CaSO4 + NaCl =>
Na2SO4 + CaCl2 = CaSO4 + 2 NaCl
KMnO4 + [Cr(CO(NH2)2)6][Cr(CN)6] + H2SO4 = K2Cr2O7 + KNO3 + CO2 + K2SO4 + MnSO4 + H2O =>
162 KMnO4 + 5[Cr(CO(NH2)2)6][Cr(CN)6] + 193 H2SO4 = 5 K2Cr2O7 + 90 KNO3 + 60 CO2 + 31 K2SO4 + 162 MnSO4 + 253 H2O
Fe + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Pb(NO3)2 + Na2S = PbS + NaNO3 =>
Pb(NO3)2 + Na2S = PbS + 2 NaNO3
NaCI + F{2} = NaF + CI{2} =>
NaCI + F{2} = NaF + CI{2}
KNo3 + NaOH = KOH + NaNo3 =>
KNo3 + NaOH = KOH + NaNo3
KMnO4(ac) + CaC2O4(ac) + H2SO4(ac) = MnSO4(ac) + CO2(g) + K2SO4(ac) + CaSO4(ac) + H2O =>
2 KMnO4(ac) + 5 CaC2O4(ac) + 8 H2SO4(ac) = 2 MnSO4(ac) + 10 CO2(g) + K2SO4(ac) + 5 CaSO4(ac) + 8 H2O
Na2HPO4 + (NH4)6MoO24 = (NH4)6HPO4 + (Na2)MoO24 =>
Na2HPO4 + (NH4)6MoO24 = (NH4)6HPO4 + (Na2)MoO24
C2H4 + O2 = CO2 + H2O =>
C2H4 + 3 O2 = 2 CO2 + 2 H2O
M2O(heat) = M + O =>
M2O(heat) = 2 M + O
MgBr2 + HF = MgF2 + HBr =>
MgBr2 + 2 HF = MgF2 + 2 HBr
HNO3 + CsOH = CsNO3 + H2O =>
HNO3 + CsOH = CsNO3 + H2O
KMnO4 = K2 + MnO4 =>
2 KMnO4 = K2 + 2 MnO4
HNO3 + Mg(OH)2 = H2O + Mg(NO3)2 =>
2 HNO3 + Mg(OH)2 = 2 H2O + Mg(NO3)2
CH4 + Br2 = CBr4 + H2 =>
CH4 + 2 Br2 = CBr4 + 2 H2
Ca(HCO3)2 + HCl = CaCl2 + H2(HCO3)2 =>
Ca(HCO3)2 + 2 HCl = CaCl2 + H2(HCO3)2
HCI + KNO2 = KCI + HNO2 =>
HCI + KNO2 = KCI + HNO2
Fe + HCl + K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + KCl + H2 =>
3 Fe + 6 HCl + 2 K3[Fe(CN)6] = Fe3[Fe(CN)6]2 + 6 KCl + 3 H2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
NO + HClO4 + H2O = HNO3 + HCl =>
8 NO + 3 HClO4 + 4 H2O = 8 HNO3 + 3 HCl
CaSO4 + NiCl2 = NiSO4 + CaCl2 =>
CaSO4 + NiCl2 = NiSO4 + CaCl2
K2CO3 + NaOH = KOH + Na2CO3 =>
K2CO3 + 2 NaOH = 2 KOH + Na2CO3
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
CdSO4 + H2O = Cd + O2 + H2SO4 =>
2 CdSO4 + 2 H2O = 2 Cd + O2 + 2 H2SO4
FeCl3 + HNO3 + NH4OH = Fe(NO3)3 + NH4Cl + H2O =>
FeCl3 + 3 HNO3 + 3 NH4OH = Fe(NO3)3 + 3 NH4Cl + 3 H2O
Cl2 + Ca(OH)2 = Ca(ClO3)2 + CaCl2 + H2O =>
6 Cl2 + 6 Ca(OH)2 = Ca(ClO3)2 + 5 CaCl2 + 6 H2O
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
S2O3 = S + O2 =>
2 S2O3 = 4 S + 3 O2
H2O(l) = H2(g) + O2(g) =>
2 H2O(l) = 2 H2(g) + O2(g)
Al + NO3{-} + OH{-} + H2O = [Al(OH)4]{-} + NH3 =>
8 Al + 3 NO3{-} + 5 OH{-} + 18 H2O = 8[Al(OH)4]{-} + 3 NH3
BaSO4 + C = BaS + CO4 =>
BaSO4 + C = BaS + CO4
C3H9N + H2O = C3H10N + OH =>
C3H9N + H2O = C3H10N + OH
Hg(NO3)2 + C2H5OH = Hg(CNO)2 + CH3CHO + H2O =>
Hg(NO3)2 + 3 C2H5OH = Hg(CNO)2 + 2 CH3CHO + 5 H2O
Ba + CH3COOH = H2 + Ba(C2H3O2)2 =>
Ba + 2 CH3COOH = H2 + Ba(C2H3O2)2
FeO + S = FeOS =>
FeO + S = FeOS
Na2SO4*10H2O = Na2SO4 + H2O =>
Na2SO4*10H2O = Na2SO4 + 10 H2O
Cr2O3 + No3{-} + CO3{2-} = CrO4{2-} + No{2-} + CO2 =>
5 Cr2O3 + 6 No3{-} + 25 CO3{2-} = 10 CrO4{2-} + 18 No{2-} + 25 CO2
Al(s) + AgNO3(aq) = Al(NO3)3(aq) + Ag(s) =>
Al(s) + 3 AgNO3(aq) = Al(NO3)3(aq) + 3 Ag(s)
Fe + OH = Fe(OH)2 =>
Fe + 2 OH = Fe(OH)2
C3H9N + H2O = C3H9NH{+} + OH{-} =>
C3H9N + H2O = C3H9NH{+} + OH{-}
P4 + CuSO4 + H2O = H3PO4 + Cu + H2SO4 =>
P4 + 10 CuSO4 + 16 H2O = 4 H3PO4 + 10 Cu + 10 H2SO4
Ba + CH3COOH = H2 + BaCH3COO =>
2 Ba + 2 CH3COOH = H2 + 2 BaCH3COO
CuSO4*5H2O + K2C2O4*H2O = K2[Cu(C2O4)2]*2H2O + H2O + K + SO4 =>
CuSO4*5H2O + 2 K2C2O4*H2O = K2[Cu(C2O4)2]*2H2O + 5 H2O + 2 K + SO4
Na2SO4*10H2O = Na2SO4 + H2O =>
Na2SO4*10H2O = Na2SO4 + 10 H2O
FeO + S = Fe + SO =>
FeO + S = Fe + SO
Cr2O3 + NO3{-} + CO3{2-} = CrO42{-} + NO2{-} + CO2 =>
Cr2O3 + 80 NO3{-} + CO3{2-} = 2 CrO42{-} + 80 NO2{-} + CO2
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