| Équations équilibrées la veille | Équations équilibrées le lendemain |
NiBr4 = Ni + 2 Br2
C8H403 + C2H602 = C10H804 =>
2206 C8H403 + 1201 C2H602 = 2005 C10H804
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
CH3CH3 + O2 = CO2 + H2O =>
2 CH3CH3 + 7 O2 = 4 CO2 + 6 H2O
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
Cr(s) + S(l) = Cr2S3(s) =>
2 Cr(s) + 3 S(l) = Cr2S3(s)
C2H4O + KMnO4 + H2SO4 = C2H4O2 + MnSO4 + K2SO4 + H2O =>
5 C2H4O + 2 KMnO4 + 3 H2SO4 = 5 C2H4O2 + 2 MnSO4 + K2SO4 + 3 H2O
AuCuCl2 = AuCl2Cu =>
AuCuCl2 = AuCl2Cu
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
ZnO + HCl = ZnCl2 + H2O = =>
ZnO + 2 HCl = ZnCl2 + H2O
FeSO4 + KOH = Fe(OH)2 + K2SO4 =>
FeSO4 + 2 KOH = Fe(OH)2 + K2SO4
H{+} + Cr2O7{2-} + C2H5OH = Cr3 + C2H4O + H2O =>
6 H{+} + 3 Cr2O7{2-} + 18 C2H5OH = 2 Cr3 + 18 C2H4O + 21 H2O
BO = B + O2 =>
2 BO = 2 B + O2
NaNO3 + KOH = KNO3 + NaOH =>
NaNO3 + KOH = KNO3 + NaOH
C22H46 + Cl = C + HCl =>
C22H46 + 46 Cl = 22 C + 46 HCl
Hg2SO4 + NH4Cl = (NH4)2SO4 + Hg2Cl2 =>
Hg2SO4 + 2 NH4Cl = (NH4)2SO4 + Hg2Cl2
HCHO + Cu(OH)2 + NaOH = HCOONa + Cu2O + H2O =>
HCHO + 2 Cu(OH)2 + NaOH = HCOONa + Cu2O + 3 H2O
CsOH + H2SO4 = H3O + Cs + SO4 =>
CsOH + H2SO4 = H3O + Cs + SO4
SeO + H2O = H2Se + O2 =>
SeO + H2O = H2Se + O2
Al2O3 + O2 = Al2O5 =>
Al2O3 + O2 = Al2O5
Pb(CH3COO)2 + H2O + K2Cr2O7 + H2SO4 = PbCrO4 + K2SO4 + CH3COOH =>
2 Pb(CH3COO)2 + H2O + K2Cr2O7 + H2SO4 = 2 PbCrO4 + K2SO4 + 4 CH3COOH
Na3PO4 + Ba(No3)2 = Ba3(PO4)2 + NaNo3 =>
2 Na3PO4 + 3 Ba(No3)2 = Ba3(PO4)2 + 6 NaNo3
Ag2O + NH3 = Ag + H2O + N =>
3 Ag2O + 2 NH3 = 6 Ag + 3 H2O + 2 N
Br{-} + MnO4{-} = MnO2{-} + BrO3{-} =>
2 Br{-} + 3 MnO4{-} = 3 MnO2{-} + 2 BrO3{-}
AuCO3 = AuO + CO2 =>
AuCO3 = AuO + CO2
C12H22O11(s) + H2O(l) = C2H8OH(s) + O2(g) =>
2 C12H22O11(s) + 32 H2O(l) = 12 C2H8OH(s) + 21 O2(g)
Ca + MgCl2 = Mg + CaCl2 =>
Ca + MgCl2 = Mg + CaCl2
K2CrO7 + KI + HCl = K2Cr2O7 + KCl + I2 + H2O =>
2 K2CrO7 + 12 KI + 14 HCl = K2Cr2O7 + 14 KCl + 6 I2 + 7 H2O
C2H3NaO2 + AgNO3 = C2H3AgO2 + NaNO3 =>
C2H3NaO2 + AgNO3 = C2H3AgO2 + NaNO3
HBr + Cu = HBrCu =>
HBr + Cu = HBrCu
AlBr3 + Al(OH)3 = AlOHBr2 =>
2 AlBr3 + Al(OH)3 = 3 AlOHBr2
AlBr3 + Fe(IO3)4 = Al(IO3)3 + FeBr4 =>
4 AlBr3 + 3 Fe(IO3)4 = 4 Al(IO3)3 + 3 FeBr4
ZnCl2 + KNO3 + H2SO4 = Cl2 + NO + ZnSO4 + K2SO4 + H2O =>
3 ZnCl2 + 2 KNO3 + 4 H2SO4 = 3 Cl2 + 2 NO + 3 ZnSO4 + K2SO4 + 4 H2O
AgNO3 + CrSO4 = Ag2SO4 + Cr(NO3)2 =>
2 AgNO3 + CrSO4 = Ag2SO4 + Cr(NO3)2
NiCl2(H2O)6 + FeCl3(H2O)6 + AlCl3(H2O)6 + NaOH = Ni10Al3Fe17O40 + NaCl + H2O =>
10 NiCl2(H2O)6 + 17 FeCl3(H2O)6 + 3 AlCl3(H2O)6 + 80 NaOH = Ni10Al3Fe17O40 + 80 NaCl + 220 H2O
C6H10O8 + CaCO3 = C6H8CaO8 + H2O + CO2 =>
C6H10O8 + CaCO3 = C6H8CaO8 + H2O + CO2
C2H3ClO2 + NH4Cl + CH2O = C7H11NO6 + HCl + H2O =>
2 C2H3ClO2 + NH4Cl + 3 CH2O = C7H11NO6 + 3 HCl + H2O
K2O(s) + HBr(aq) = KBr(aq) + H2O(l) =>
K2O(s) + 2 HBr(aq) = 2 KBr(aq) + H2O(l)
HCl(aq) + Pb(NO3)2(aq) = HNO3(aq) + PbCl2 =>
2 HCl(aq) + Pb(NO3)2(aq) = 2 HNO3(aq) + PbCl2
PbCl2 + CaSO4 = PbSO4 + CaCl2 =>
PbCl2 + CaSO4 = PbSO4 + CaCl2
K2Cr2O7 + H2SO4 + K4[Fe(CN)6] = K3[Fe(CN)6] + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 7 H2SO4 + 6 K4[Fe(CN)6] = 6 K3[Fe(CN)6] + Cr2(SO4)3 + 4 K2SO4 + 7 H2O
Na3PO4 + Ba(No3)2 = Ba3(PO4)2 + NaNo3 =>
2 Na3PO4 + 3 Ba(No3)2 = Ba3(PO4)2 + 6 NaNo3
Ca(OH)2 + ZnS = ZnO + CaS + H2O =>
Ca(OH)2 + ZnS = ZnO + CaS + H2O
Cu + S = Cu(S)1 =>
Cu + S = Cu(S)1
Cr(NO3)3 + NaBiO3 + HNO3 = H2Cr2O7 + Bi(NO3)3 + H2O + NaNO3 =>
2 Cr(NO3)3 + 3 NaBiO3 + 6 HNO3 = H2Cr2O7 + 3 Bi(NO3)3 + 2 H2O + 3 NaNO3
CuCl2 + Mn = Cu + MnCl2 =>
CuCl2 + Mn = Cu + MnCl2
Fe + (OH)3 = FeO3 + H2O =>
Fe + 2(OH)3 = FeO3 + 3 H2O
Mn2O7 + C2H5OH = CO2 + H2O + MnO2 =>
2 Mn2O7 + C2H5OH = 2 CO2 + 3 H2O + 4 MnO2
Cu + Hg = Cu(Hg) =>
Cu + Hg = Cu(Hg)
KClO3 + FeSO4 + H2SO4 = Fe2(SO4)3 + K2SO4 + HCl + H2O =>
2 KClO3 + 12 FeSO4 + 7 H2SO4 = 6 Fe2(SO4)3 + K2SO4 + 2 HCl + 6 H2O
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Équations équilibrées sur11/17/23
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