| Équations équilibrées la veille | Équations équilibrées le lendemain |
3 NaCl + Fe(OH)3 = 3 NaOH + FeCl3
K2Cr2O7 + SnSO4 + H2SO4 = Sn(SO4)2 + Cr2(SO4)3 + K2SO4 + H2O =>
K2Cr2O7 + 3 SnSO4 + 7 H2SO4 = 3 Sn(SO4)2 + Cr2(SO4)3 + K2SO4 + 7 H2O
HI + I2 = HI3 =>
HI + I2 = HI3
C4H10(g) + O2(s) = CO2(g) + H2O(g) =>
2 C4H10(g) + 13 O2(s) = 8 CO2(g) + 10 H2O(g)
CaN2 + HCl = CaCl2 + NH4 + Cl2 =>
CaN2 + 8 HCl = CaCl2 + 2 NH4 + 3 Cl2
Al(OH)4{-} + H2SO4 = Al(OH)3 + SO4{-2} + H2O =>
2 Al(OH)4{-} + H2SO4 = 2 Al(OH)3 + SO4{-2} + 2 H2O
C3(C5H11)2(C7H15)H3(C2H5)(OH)2 + O2 = CO2 + H2O =>
4 C3(C5H11)2(C7H15)H3(C2H5)(OH)2 + 131 O2 = 88 CO2 + 94 H2O
MnO2 + KClO3 + KOH = KCl + KMnO24 + H2O =>
6 MnO2 + 43 KClO3 + 6 KOH = 43 KCl + 6 KMnO24 + 3 H2O
CH3CH2OH + KMnO4 + NaOH = Na2MnO4 + K2MnO4 + CH3COOH + H2O =>
CH3CH2OH + 4 KMnO4 + 4 NaOH = 2 Na2MnO4 + 2 K2MnO4 + CH3COOH + 3 H2O
Ba(NO3)2 = Ba + N2 + O2 =>
Ba(NO3)2 = Ba + N2 + 3 O2
H4P2O7 + Ra(OH)2 = Ra2P2O7 + H2O =>
H4P2O7 + 2 Ra(OH)2 = Ra2P2O7 + 4 H2O
NH4NO2 + H2O = NH3OH + HNO2 =>
5 NH4NO2 + 4 H2O = 6 NH3OH + 4 HNO2
Mg(OH)2 + FeO = MgO + Fe2O3 + H2 =>
Mg(OH)2 + 2 FeO = MgO + Fe2O3 + H2
Cr2(SO4)3 + Zn(NO3)2 = ZnSO4 + Cr(NO3)3 =>
Cr2(SO4)3 + 3 Zn(NO3)2 = 3 ZnSO4 + 2 Cr(NO3)3
H{+} + Ni = H2 + Ni{+2} =>
2 H{+} + Ni = H2 + Ni{+2}
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
C100H177O49N24 + O2 = N2 + CO2 + H2O =>
4 C100H177O49N24 + 479 O2 = 48 N2 + 400 CO2 + 354 H2O
Cr2O7{-2} + HCl + H{+} = Cr{+3} + Cl2 + H2O =>
Cr2O7{-2} + 6 HCl + 8 H{+} = 2 Cr{+3} + 3 Cl2 + 7 H2O
COOH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
6 COOH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO4 + 6 CO2 + 7 H2O
AgNO3(aq)NaCO3(aq) = AgCO3(s)NaNO3(aq) =>
AgNO3(aq)NaCO3(aq) = AgCO3(s)NaNO3(aq)
PbS(s) + HCl(aq) = PbCl2(s) + H2S(g) =>
PbS(s) + 2 HCl(aq) = PbCl2(s) + H2S(g)
KIO4 + KI + H{+} = K{+} + I2 + H2O =>
KIO4 + 7 KI + 8 H{+} = 8 K{+} + 4 I2 + 4 H2O
H2S + O = H2O + SO2 =>
H2S + 3 O = H2O + SO2
AgNO3(aq) + BaI2(aq) = AgI2(s) + BaNO3 =>
AgNO3(aq) + BaI2(aq) = AgI2(s) + BaNO3
NaCN + Au + O2 + H2O = NaAu(CN)2 + NaOH =>
8 NaCN + 4 Au + O2 + 2 H2O = 4 NaAu(CN)2 + 4 NaOH
C18H28O2 + C6H10 = C22H42O2 + C6H6 =>
6 C18H28O2 + 15 C6H10 = 6 C22H42O2 + 11 C6H6
FeCo3 = Fe3 + Co2 =>
6 FeCo3 = 2 Fe3 + 9 Co2
ZnCHCl = ZnClCH =>
ZnCHCl = ZnClCH
CH3(CH2)12COOH + O3 = H2O + CO2 =>
3 CH3(CH2)12COOH + 40 O3 = 42 H2O + 42 CO2
H3C{-}CH2{-}CH3(t,Ni) = H3C{-}CH = CH2 + H =>
H3C{-}CH2{-}CH3(t,Ni) = H3C{-}CH
Fe + BrO4 = Fe(BrO4)2 =>
Fe + 2 BrO4 = Fe(BrO4)2
NaS2CNEt2 + [FeCl3] = [Fe(S2CNEt2)3] + NaCl =>
3 NaS2CNEt2 + [FeCl3] = [Fe(S2CNEt2)3] + 3 NaCl
Fe(SCN)3 + NaF = Fe2F6 + Na(SCN) =>
2 Fe(SCN)3 + 6 NaF = Fe2F6 + 6 Na(SCN)
Cu[(NH3)4](ClO4)2 + C6H12N4 = CuCl2 + N2 + H2O + CO2 =>
9 Cu[(NH3)4](ClO4)2 + C6H12N4 = 9 CuCl2 + 20 N2 + 60 H2O + 6 CO2
Al2O3 + HNo3 = Al(No3)3 + H2O =>
Al2O3 + 6 HNo3 = 2 Al(No3)3 + 3 H2O
Fe(SCN)3 + NaF = Fe2F6 + Na(SCN) =>
2 Fe(SCN)3 + 6 NaF = Fe2F6 + 6 Na(SCN)
Cu + HCl + O2 = H2(CuCl4) + H2O =>
2 Cu + 8 HCl + O2 = 2 H2(CuCl4) + 2 H2O
MnO4 + SO3 = MnO2 + SO4 =>
MnO4 + 2 SO3 = MnO2 + 2 SO4
ZkNO3 = ZkNO2 + O2 =>
2 ZkNO3 = 2 ZkNO2 + O2
CH3C(O)CH3 + CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O =>
CH3C(O)CH3 + 2 CH3CH2OH = (CH3)2C(OCH2CH3)2 + H2O
Li2O + H2O = LiOH =>
Li2O + H2O = 2 LiOH
C206 = C03 =>
3 C206 = 206 C03
NaHCO3 + N2 = NaNO3 + CH =>
2 NaHCO3 + N2 = 2 NaNO3 + 2 CH
C6H5COOH + FeCl3 = Fe(C6H5COO)3 + HCl =>
3 C6H5COOH + FeCl3 = Fe(C6H5COO)3 + 3 HCl
HCl(aq) + ZnS(s) = H2S(g) + ZnCl2(aq) =>
2 HCl(aq) + ZnS(s) = H2S(g) + ZnCl2(aq)
(HI) = H + I =>
(HI) = H + I
NaH + H2O = NaH(OH) + H =>
NaH + H2O = NaH(OH) + H
H3PO4 + Na(OH) = H2O + NaH2PO4 =>
H3PO4 + Na(OH) = H2O + NaH2PO4
Al + Pb(NO3)2 = Pb(s) + Al(NO3)3 =>
2 Al + 3 Pb(NO3)2 = 3 Pb(s) + 2 Al(NO3)3
H2CO3 + CH3COOH = CH3COOCO3 + H2O =>
14 H2CO3 + 5 CH3COOH = 8 CH3COOCO3 + 12 H2O
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