| Équations équilibrées la veille | Équations équilibrées le lendemain |
6 KMnO4 + 10 FeCl2 + 24 H2SO4 = 5 Fe2(SO4)3 + 10 Cl2 + 6 MnSO4 + 3 K2SO4 + 24 H2O
Co + HCl = CoCl3 + H2 =>
2 Co + 6 HCl = 2 CoCl3 + 3 H2
Zn + KMnO4 + H2SO4 = ZnSO4 + K2SO4 + MnSO4 + H2O =>
5 Zn + 2 KMnO4 + 8 H2SO4 = 5 ZnSO4 + K2SO4 + 2 MnSO4 + 8 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Sr(NO3)2 + NH4H2PO4 + NH2CONH2 + NH4F = Sr5(PO4)3F + N2 + CO2 + H2O =>
15 Sr(NO3)2 + 9 NH4H2PO4 + 19 NH2CONH2 + 3 NH4F = 3 Sr5(PO4)3F + 40 N2 + 19 CO2 + 71 H2O
C6H5CH2CH3 + KMnO4 = C6H5COOK + CO2 + MnO2 + KOH =>
3 C6H5CH2CH3 + 22 KMnO4 = 2 C6H5COOK + 10 CO2 + 22 MnO2 + 20 KOH
PbCl2 + H2O = PbO + H2Cl2 =>
PbCl2 + H2O = PbO + H2Cl2
H2Se + O2 = SeO2 + H2O =>
2 H2Se + 3 O2 = 2 SeO2 + 2 H2O
TiOSO4 + Na2S + H2SO4 = Ti2(SO4)3 + Na2SO4 + H2O =>
8 TiOSO4 + Na2S + 4 H2SO4 = 4 Ti2(SO4)3 + Na2SO4 + 4 H2O
NaOH + H2O = NaH + OH =>
NaOH + H2O = NaH + 2 OH
CoOH2O = Co(OH)2 =>
CoOH2O = Co(OH)2
(CH(CH2)4CH3) + O2 = CO2 + H2O =>
(CH(CH2)4CH3) + 9 O2 = 6 CO2 + 6 H2O
Fe(HCO3)2 + O2 + H2O = Fe(OH)3 + CO2 =>
4 Fe(HCO3)2 + O2 + 2 H2O = 4 Fe(OH)3 + 8 CO2
KMnO4 + HCHO + KOH = MnO + H2O + K2CO3 =>
4 KMnO4 + 5 HCHO + 6 KOH = 4 MnO + 8 H2O + 5 K2CO3
CH3CH2CH2COOH + CH3CH2OH = CH3CH2CH2COOCH3CH2 + H2O =>
CH3CH2CH2COOH + CH3CH2OH = CH3CH2CH2COOCH3CH2 + H2O
N2 + O2 = NO =>
N2 + O2 = 2 NO
H3AsO4 + Zn + H{+} = AsH3 + Zn{+3} + H2O =>
3 H3AsO4 + 8 Zn + 24 H{+} = 3 AsH3 + 8 Zn{+3} + 12 H2O
KO3 + CO3 = K4C3O4 + O3 =>
12 KO3 + 9 CO3 = 3 K4C3O4 + 17 O3
SiH4 + HNO3 + HF = H2SiF6 + NO + H2O =>
3 SiH4 + 8 HNO3 + 18 HF = 3 H2SiF6 + 8 NO + 16 H2O
CaO + HNO3 = Ca(NO3)2 + H2O =>
CaO + 2 HNO3 = Ca(NO3)2 + H2O
Na2CO3 + K2CO3 + Nb2O5 = NaKNb2O6 + CO2 =>
Na2CO3 + K2CO3 + 2 Nb2O5 = 2 NaKNb2O6 + 2 CO2
KI + H2SO4 + O3 = I2 + K2SO4 + H2O =>
6 KI + 3 H2SO4 + O3 = 3 I2 + 3 K2SO4 + 3 H2O
SCN{-} + H2O2 = SO4{2-} + H2O + HCN + H{+} =>
SCN{-} + 3 H2O2 = SO4{2-} + 2 H2O + HCN + H{+}
CH3COOH + C2H5OH + CH4N2O + HCl = C12H14Cl2N2 + H2O =>
6 CH3COOH + 5 C2H5OH + 2 CH4N2O + 4 HCl = 2 C12H14Cl2N2 + 19 H2O
Mg + Cr + O2 = MgCr2O4 =>
Mg + 2 Cr + 2 O2 = MgCr2O4
AgNO3 + Mg = AgMg + NO3 =>
AgNO3 + Mg = AgMg + NO3
BaCl2(aq) + KI(aq) = BaK(s) + Cl2I(aq) =>
BaCl2(aq) + KI(aq) = BaK(s) + Cl2I(aq)
CaO + HNO3 = Ca(NO3) + HO =>
CaO + HNO3 = Ca(NO3) + HO
SnCl2 + Ba(OH)2 = Sn(OH)2 + BaCl2 =>
SnCl2 + Ba(OH)2 = Sn(OH)2 + BaCl2
Ca3(PO4)2 + Al2Si2H4O9 + H2 = Ca2Al2Si2O8 + H2O + P =>
2 Ca3(PO4)2 + 3 Al2Si2H4O9 + 13 H2 = 3 Ca2Al2Si2O8 + 19 H2O + 4 P
Pb(II) + Al2(SO4)3 = Pb(II)(SO4)3 + Al =>
Pb(II) + Al2(SO4)3 = Pb(II)(SO4)3 + 2 Al
NaOH + H2PHO3 = Na2PNaO3 + H2O =>
3 NaOH + H2PHO3 = Na2PNaO3 + 3 H2O
(NH4)2SO4(aq) + KBr(aq) = KSO4(aq) + Br(NH4)2(aq) =>
(NH4)2SO4(aq) + KBr(aq) = KSO4(aq) + Br(NH4)2(aq)
Ag + CO2 = C + Ag2O =>
4 Ag + CO2 = C + 2 Ag2O
I{-} + Br2 + OH{-} = H2IO6{3-} + Br{-} + H2O =>
I{-} + 4 Br2 + 10 OH{-} = H2IO6{3-} + 8 Br{-} + 4 H2O
K2Cr2O7 + H2SO4 + KNO2 = K2SO4 + Cr2(SO4)3 + H2O + KNO3 =>
K2Cr2O7 + 4 H2SO4 + 3 KNO2 = K2SO4 + Cr2(SO4)3 + 4 H2O + 3 KNO3
Mg3(PO4)2 + Li2(CO3) = Mg(CO3) + Li3(PO4) =>
Mg3(PO4)2 + 3 Li2(CO3) = 3 Mg(CO3) + 2 Li3(PO4)
NaOH + Ca + H2O = NaCaO2 + H =>
NaOH + Ca + H2O = NaCaO2 + 3 H
NaF + H2O = NaFH2O =>
NaF + H2O = NaFH2O
Mg + HNO3 = Mg(NO3)2 + N2 + H2O =>
5 Mg + 12 HNO3 = 5 Mg(NO3)2 + N2 + 6 H2O
H2SO4 + MgCe2 = Ce(SO4)2 + H2 + MgSO4 =>
5 H2SO4 + MgCe2 = 2 Ce(SO4)2 + 5 H2 + MgSO4
La + H2SO4 = La2(SO4)3 + H2 =>
2 La + 3 H2SO4 = La2(SO4)3 + 3 H2
CHCH + H2O = CH2CHOH =>
CHCH + H2O = CH2CHOH
C2H2 + CuCl + NH3 = Cu2C2 + NH4Cl =>
C2H2 + 2 CuCl + 2 NH3 = Cu2C2 + 2 NH4Cl
AgNO3 + MgBr2 = AgBr + Mg(NO3)2 =>
2 AgNO3 + MgBr2 = 2 AgBr + Mg(NO3)2
KBr + KOH + NO2 = KBrO3 + KNO2 + H2O =>
KBr + 6 KOH + 6 NO2 = KBrO3 + 6 KNO2 + 3 H2O
PbNO6 = PbO + NO2 + O2 =>
2 PbNO6 = 2 PbO + 2 NO2 + 3 O2
K2Cr2O7 + C3H7OH + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 K2Cr2O7 + C3H7OH + 12 H2SO4 = 3 K2SO4 + 3 Cr2(SO4)3 + 3 CO2 + 16 H2O
NaHSO4 + K2CO3 = Na2CO3 + KHSO4 =>
2 NaHSO4 + K2CO3 = Na2CO3 + 2 KHSO4
Cr2O7{2-} + Fe{2+} + H{+} = Cr{3+} + Fe{4+} + H2O =>
Cr2O7{2-} + 3 Fe{2+} + 14 H{+} = 2 Cr{3+} + 3 Fe{4+} + 7 H2O
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| Équations équilibrées la veille | Équations équilibrées le lendemain |
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