| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 S + 2 O3 = 3 SO2
HC1 + ZnCO3 = ZnC1 + H2O + CO2 =>
6 HC1 + 5 ZnCO3 = 5 ZnC1 + 3 H2O + 6 CO2
Zn(OH)2 + (NH4)2S = H2O + NH3 + ZnS =>
Zn(OH)2 + (NH4)2S = 2 H2O + 2 NH3 + ZnS
HCl + N(CH2CH3)3 = H(CH2CH3)3 + NCl =>
HCl + N(CH2CH3)3 = H(CH2CH3)3 + NCl
TiO2 + KCl = TiCl4 + K2O =>
TiO2 + 4 KCl = TiCl4 + 2 K2O
I{-} + H{+} + SO4{2-} = I2 + H2S{+} + H2O =>
14 I{-} + 20 H{+} + 2 SO4{2-} = 7 I2 + 2 H2S{+} + 8 H2O
HNO3 + K2Cr2O7 + H2SO4 = NO3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HNO3 + K2Cr2O7 + 4 H2SO4 = 6 NO3 + K2SO4 + Cr2(SO4)3 + 7 H2O
MgO + H2O = MgH2 + O2 =>
MgO + H2O = MgH2 + O2
C6H5C2H5 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + CO2K2SO4 + H2O =>
20 C6H5C2H5 + 54 KMnO4 + 81 H2SO4 = 19 C6H5COOH + 54 MnSO4 + 27 CO2K2SO4 + 124 H2O
KI + Ca = K + CaI =>
KI + Ca = K + CaI
Cl2 + CrI3 + KOH = KCl + KIO3 + K2CrO4 + H2O =>
21 Cl2 + 2 CrI3 + 52 KOH = 42 KCl + 6 KIO3 + 2 K2CrO4 + 26 H2O
AlBr3 + Na = Al + NaBr =>
AlBr3 + 3 Na = Al + 3 NaBr
HNO3 + K2Cr2O7 + H2SO4 = NO3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HNO3 + K2Cr2O7 + 4 H2SO4 = 6 NO3 + K2SO4 + Cr2(SO4)3 + 7 H2O
S2H5 + O2 = SO2 + H2 =>
2 S2H5 + 4 O2 = 4 SO2 + 5 H2
HNO3 + K2Cr2O7 + H2SO4 = NO3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HNO3 + K2Cr2O7 + 4 H2SO4 = 6 NO3 + K2SO4 + Cr2(SO4)3 + 7 H2O
C2H5I + KCN = KI + C2H5CN =>
C2H5I + KCN = KI + C2H5CN
HNO3 + K2Cr2O7 + H2SO4 = NO3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HNO3 + K2Cr2O7 + 4 H2SO4 = 6 NO3 + K2SO4 + Cr2(SO4)3 + 7 H2O
MnCl2 + NaOH + H2O2 = Mn(OH)3 + NaCl =>
2 MnCl2 + 4 NaOH + H2O2 = 2 Mn(OH)3 + 4 NaCl
CH3CH3CHOH + HCl = CH3CH3CHCl + H2O =>
CH3CH3CHOH + HCl = CH3CH3CHCl + H2O
HNO3 + K2Cr2O7 + H2SO4 = NO3 + K2SO4 + Cr2(SO4)3 + H2O =>
6 HNO3 + K2Cr2O7 + 4 H2SO4 = 6 NO3 + K2SO4 + Cr2(SO4)3 + 7 H2O
OH + Zn = Zn(OH)4 =>
4 OH + Zn = Zn(OH)4
C6H5CH2OH + MnO4{-} + H{+} = C7H6O2 + MnO2 + H2O =>
3 C6H5CH2OH + 4 MnO4{-} + 4 H{+} = 3 C7H6O2 + 4 MnO2 + 5 H2O
Cd + Cu{2+} = Cd{2+} + Cu =>
Cd + Cu{2+} = Cd{2+} + Cu
ZnSO4 + Mg(OH)2 = Zn(OH)2 + MgSO4 =>
ZnSO4 + Mg(OH)2 = Zn(OH)2 + MgSO4
KI + HBrO3 + HCl = I2 + KBr + KCl + H2O =>
6 KI + HBrO3 + 5 HCl = 3 I2 + KBr + 5 KCl + 3 H2O
KBr + CaNO3 = KNO3 + CaBr =>
KBr + CaNO3 = KNO3 + CaBr
H2SO4 + Ca3(PO4)2 = (CaSO4) + H3PO4 =>
3 H2SO4 + Ca3(PO4)2 = 3(CaSO4) + 2 H3PO4
Cu(II) + FeSO4 = Fe + Cu(II)SO4 =>
Cu(II) + FeSO4 = Fe + Cu(II)SO4
Mg(OH)2(s) + HCl(aq) = HOH(l) + MgCl2(aq) =>
Mg(OH)2(s) + 2 HCl(aq) = 2 HOH(l) + MgCl2(aq)
Ag + HNO3 = NO + H2O + AgNO3 =>
3 Ag + 4 HNO3 = NO + 2 H2O + 3 AgNO3
CH3Cl + Cl2 + AgCO3 = AgCl + CO2 + H2O =>
4 CH3Cl + 5 Cl2 + 14 AgCO3 = 14 AgCl + 18 CO2 + 6 H2O
K2C2O4*H2O + FeCl3*6H2O = K3[Fe(C2O4)3]*3H2O + KCl + H2O =>
3 K2C2O4*H2O + FeCl3*6H2O = K3[Fe(C2O4)3]*3H2O + 3 KCl + 6 H2O
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2 =>
Pb(NO3)2 + NiBr2 = PbBr2 + Ni(NO3)2
Fe2O3 + Pt = PtO2 + Fe =>
2 Fe2O3 + 3 Pt = 3 PtO2 + 4 Fe
KHSO3 + H2S = H2SO3 + K2S =>
2 KHSO3 + H2S = 2 H2SO3 + K2S
K2S + HClO4 + H2O = KCl + S + KOH =>
4 K2S + HClO4 + 3 H2O = KCl + 4 S + 7 KOH
C7H6O4 + NaOH = NaC7H5O4 + H2O =>
C7H6O4 + NaOH = NaC7H5O4 + H2O
KI + HBrO3 + HCl = I2 + KBr + KCl + H2O =>
6 KI + HBrO3 + 5 HCl = 3 I2 + KBr + 5 KCl + 3 H2O
HClO4 + NaOH = NaClO4 + H2O =>
HClO4 + NaOH = NaClO4 + H2O
Fe2O3 + Pt = PtO2 + Fe =>
2 Fe2O3 + 3 Pt = 3 PtO2 + 4 Fe
CuO + S = Cu2S + O =>
2 CuO + S = Cu2S + 2 O
FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + H2O =>
2 FeSO4 + H2SO4 + H2O2 = Fe2(SO4)3 + 2 H2O
HClO4 + Ca(OH)2 = Ca(ClO4)2 + H2O =>
2 HClO4 + Ca(OH)2 = Ca(ClO4)2 + 2 H2O
C(s) + H2(g) + O2(g) = C2H5OH =>
4 C(s) + 6 H2(g) + O2(g) = 2 C2H5OH
HCHO + HNO3 = CO2 + N2 + H2O =>
5 HCHO + 4 HNO3 = 5 CO2 + 2 N2 + 7 H2O
KCrO2 + KOH + H2O2 = K2CrO4 + H2O =>
2 KCrO2 + 2 KOH + 3 H2O2 = 2 K2CrO4 + 4 H2O
P4O10 + H2O = H + PO3 =>
P4O10 + 2 H2O = 4 H + 4 PO3
NO3{-} + Zn + OH{-} + H2O = Zn(OH)4{2-} + NH3 =>
NO3{-} + 4 Zn + 7 OH{-} + 6 H2O = 4 Zn(OH)4{2-} + NH3
H{+} + Cr = H2 + Cr{3+} =>
6 H{+} + 2 Cr = 3 H2 + 2 Cr{3+}
C6H6 + H2SO4 = C6H6SO3 + H2O =>
C6H6 + H2SO4 = C6H6SO3 + H2O
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Équations équilibrées sur12/25/23
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