| Équations équilibrées la veille | Équations équilibrées le lendemain |
K2CrO4 + AgNO3 = K2NO3(s) + AgCrO4
ZnCl2 + Ag = Zn + AgCl =>
ZnCl2 + 2 Ag = Zn + 2 AgCl
C6H12O6 + CrO7 = CO2 + Cr + H2O =>
7 C6H12O6 + 12 CrO7 = 42 CO2 + 12 Cr + 42 H2O
CH3I + Na + C3H7I = C4H10 + NaI =>
CH3I + 2 Na + C3H7I = C4H10 + 2 NaI
(CH3)3CCH2OH + K2Cr2O7 + H2SO4 = (CH3)3CCHO + K2SO4 + Cr2(SO4)3 + H2O =>
3(CH3)3CCH2OH + K2Cr2O7 + 4 H2SO4 = 3(CH3)3CCHO + K2SO4 + Cr2(SO4)3 + 7 H2O
FeCO3 + H2O = Fe(OH)2 + CO2 =>
FeCO3 + H2O = Fe(OH)2 + CO2
CO + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3K2SO4 + H2O =>
3 CO + K2Cr2O7 + 4 H2SO4 = 3 CO2 + Cr2(SO4)3K2SO4 + 4 H2O
CH4HOH + O2 = CO2 + H2O =>
CH4HOH + 2 O2 = CO2 + 3 H2O
CH3COOH(ac) + NaOH = CH3COONa(ac) + H2O(l) =>
CH3COOH(ac) + NaOH = CH3COONa(ac) + H2O(l)
F2(g) + AlCl3(aq) = Cl2(g) + AlF3(aq) =>
3 F2(g) + 2 AlCl3(aq) = 3 Cl2(g) + 2 AlF3(aq)
Hydrogen + carbondioxide = methane + water =>
4 H2 + CO2 = CH4 + 2 H2O
CuBr2(aq) + NH4NO3(aq) = CuNO3(aq) + Br2NH4(aq) =>
CuBr2(aq) + NH4NO3(aq) = CuNO3(aq) + Br2NH4(aq)
KMnO4 + H3AsO3 + H2SO4 = H3AsO4 + MnSO4 + K2SO4 + H2O =>
2 KMnO4 + 5 H3AsO3 + 3 H2SO4 = 5 H3AsO4 + 2 MnSO4 + K2SO4 + 3 H2O
CO2 + PbO = PbCO3 =>
CO2 + PbO = PbCO3
HO(CH2CH2O)41H + O2 = CO2 + H2O =>
2 HO(CH2CH2O)41H + 205 O2 = 164 CO2 + 166 H2O
AlO3H3 + H2SO4 = Al2(SO4)3 + H2O =>
2 AlO3H3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
S2(g) + Al(s) = Al2S3(s) =>
3 S2(g) + 4 Al(s) = 2 Al2S3(s)
HBr + C2H5NH2 = C2H5NH3Br =>
HBr + C2H5NH2 = C2H5NH3Br
AgNo3 + CsI = AgI + CsNo3 =>
AgNo3 + CsI = AgI + CsNo3
C5H11Cl + NaHCO3 = NaCl + C6H12O3 =>
C5H11Cl + NaHCO3 = NaCl + C6H12O3
Cu2O + CO2 + O2 + H2O = CuCO3*Cu(OH)2 =>
2 Cu2O + 2 CO2 + O2 + 2 H2O = 2 CuCO3*Cu(OH)2
MnC2O4*3H2O(s) + O2 = Mn3O4(s) + H2O(g) + CO2(g) =>
3 MnC2O4*3H2O(s) + 2 O2 = Mn3O4(s) + 9 H2O(g) + 6 CO2(g)
CH3CH2OH2 + O2 = CO2 + H2O =>
4 CH3CH2OH2 + 13 O2 = 8 CO2 + 14 H2O
NaNo3 + LiCl = NaLi + No3Cl =>
NaNo3 + LiCl = NaLi + No3Cl
NiCl2 + Co(NO3)2 = CoCl2 + Ni(NO3)2 =>
NiCl2 + Co(NO3)2 = CoCl2 + Ni(NO3)2
NaBH4 + BF3 = NaB11H14 + NaF + H2 =>
17 NaBH4 + 5 BF3 = 2 NaB11H14 + 15 NaF + 20 H2
Ca(NO3)2 + HCl = CaCl2 + HNO3 =>
Ca(NO3)2 + 2 HCl = CaCl2 + 2 HNO3
(NH4)3PO4(aq) + CaS(aq) = (NH4)3S(aq) + CaPO4(aq) =>
(NH4)3PO4(aq) + CaS(aq) = (NH4)3S(aq) + CaPO4(aq)
Al + OH{-} + H2O = Al(OH{-})4 + H2 =>
2 Al + 2 OH{-} + 6 H2O = 2 Al(OH{-})4 + 3 H2
C6H5CH3 + O2 = H2O + CO2 =>
C6H5CH3 + 9 O2 = 4 H2O + 7 CO2
FeCl3 + Ca3(PO4)2 = FePO4 + CaCl2 =>
2 FeCl3 + Ca3(PO4)2 = 2 FePO4 + 3 CaCl2
Na2CO3(aq) + NaHSO3(aq) = Na2SO3(aq) + CO2(g) + H2O(l) =>
Na2CO3(aq) + 2 NaHSO3(aq) = 2 Na2SO3(aq) + CO2(g) + H2O(l)
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
CuO + KI = CuI2 + K2O =>
CuO + 2 KI = CuI2 + K2O
PbSO4 + HBr = PbBr2 + H2SO4 =>
PbSO4 + 2 HBr = PbBr2 + H2SO4
Mn + Zn(OH)2 = Zn + Mn(OH)2 =>
Mn + Zn(OH)2 = Zn + Mn(OH)2
HCl + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Cl2 + H2O =>
10 HCl + 2 KMnO4 + 3 H2SO4 = K2SO4 + 2 MnSO4 + 5 Cl2 + 8 H2O
CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + H2O =>
3 CH3COOH + Fe(OH)3 = Fe(CH3COO)3 + 3 H2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
CO3 + H = H2CO3 =>
CO3 + 2 H = H2CO3
KCo3 + HNo3 = KNo3 + HCo3 =>
KCo3 + HNo3 = KNo3 + HCo3
(C2H5)3*PO4 = H3PO4 + C6H12 =>
(C2H5)3*PO4 = H3PO4 + C6H12
B7H21 + NH3 = B3N3H6 + H2 =>
3 B7H21 + 21 NH3 = 7 B3N3H6 + 42 H2
Cr2(SO4)3 + KNO3 + NaOH = NaCrO4 + KNO + Na2SO4 + H2O =>
Cr2(SO4)3 + 2 KNO3 + 8 NaOH = 2 NaCrO4 + 2 KNO + 3 Na2SO4 + 4 H2O
CaBr2 + Cl2 = ClBr2 + Ca =>
2 CaBr2 + Cl2 = 2 ClBr2 + 2 Ca
Bi2(SO4)3 + NH4OH = Bi(OH)3 + (NH4)2SO4 =>
Bi2(SO4)3 + 6 NH4OH = 2 Bi(OH)3 + 3(NH4)2SO4
Ca2H + H2O = Ca(OH)2 + H =>
Ca2H + 4 H2O = 2 Ca(OH)2 + 5 H
Na2S2O3 + KMnO4 + KOH = Na2S4O6 + K2MnO4 + Na2SO4 + H2O =>
3 Na2S2O3 + 10 KMnO4 + 10 KOH = Na2S4O6 + 10 K2MnO4 + 2 Na2SO4 + 5 H2O
*Na + NaNO3 = Na2O + N2 =>
10*Na + 2 NaNO3 = 6 Na2O + N2
Hg(SCN)2 = HgS + C3N4 + CS2 =>
2 Hg(SCN)2 = 2 HgS + C3N4 + CS2
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