| Équations équilibrées la veille |
2 Cr(OH)4{-} + 3 Na2O2 = 2 CrO4{2-} + 6 Na{+} + 4 OH{-} + 2 H2O
C2H6O + K2Cr2O7 + H2SO4 = CH3COOH + Cr2(SO4)3 + K2SO3 + H2O =>
2 C2H6O + K2Cr2O7 + 4 H2SO4 = 2 CH3COOH + Cr2(SO4)3 + K2SO3 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
Al(OH)3 + NaHCO3 = Al(HCO3)3 + NaOH =>
Al(OH)3 + 3 NaHCO3 = Al(HCO3)3 + 3 NaOH
FeO + NaOH + HClO + H2OFe = Fe(OH)3 + NaCl =>
FeO + 2 NaOH + 2 HClO + H2OFe = 2 Fe(OH)3 + 2 NaCl
Na2SO4 + KCI = Na2CI + KSO4 =>
Na2SO4 + KCI = Na2CI + KSO4
O2 + AgI = Ag + OI =>
O2 + 2 AgI = 2 Ag + 2 OI
H2 + Zn(NO3)2 = HNO3 + Zn =>
H2 + Zn(NO3)2 = 2 HNO3 + Zn
X(OH)2 + HNO3 = X(NO3)2 + H2O =>
X(OH)2 + 2 HNO3 = X(NO3)2 + 2 H2O
Ni(CO)4 + HNO3 + O2 = Ni(NO3)2 + CO2 + H2O =>
2 Ni(CO)4 + 4 HNO3 + 5 O2 = 2 Ni(NO3)2 + 8 CO2 + 2 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
CoBr2(aq) + Na2CO3(aq) = NaBr(aq) + CoCO3 =>
CoBr2(aq) + Na2CO3(aq) = 2 NaBr(aq) + CoCO3
ClO3{-} + Fe(OH)3 + OH{-} = FeO4{2-} + Cl{-} + H2O =>
ClO3{-} + 2 Fe(OH)3 + 4 OH{-} = 2 FeO4{2-} + Cl{-} + 5 H2O
CH3CH2COOH + Al2O3 = (CH3CH2COO)3Al + H2O =>
6 CH3CH2COOH + Al2O3 = 2(CH3CH2COO)3Al + 3 H2O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
SbCl + KI = KCl + I + Sb =>
SbCl + KI = KCl + I + Sb
CaCl2 + Pb(C2H3O2)2 = Ca(C2H3O2)2 + PbCl2 =>
CaCl2 + Pb(C2H3O2)2 = Ca(C2H3O2)2 + PbCl2
CuSeO4*5H2O + Zn = ZnSeO4 + Cu + H2O =>
CuSeO4*5H2O + Zn = ZnSeO4 + Cu + 5 H2O
(Cu2)S + HNO3 = Cu(NO3)2 + CuSO4 + NO2 + H2O =>
(Cu2)S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
Fe(OH)2(s) + H2SO4(aq) = Fe(SO4)(aq) + H2O(l) =>
Fe(OH)2(s) + H2SO4(aq) = Fe(SO4)(aq) + 2 H2O(l)
S2O8{2-} + NO + H2O = SO4{2-} + NO3{-} + H{+} =>
3 S2O8{2-} + 2 NO + 4 H2O = 6 SO4{2-} + 2 NO3{-} + 8 H{+}
Cs + Al2(SO4)3 + H2O = Cs2[Al(OH)4] + Cs2SO4 + H2 =>
10 Cs + Al2(SO4)3 + 8 H2O = 2 Cs2[Al(OH)4] + 3 Cs2SO4 + 4 H2
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
HBr + H2SO4 = H2S + Br2 + H2O =>
8 HBr + H2SO4 = H2S + 4 Br2 + 4 H2O
Na2SO4 + C(s) = Na2S + CO =>
Na2SO4 + 4 C(s) = Na2S + 4 CO
F2 + Bi2O3 = BiF3 + O2 =>
6 F2 + 2 Bi2O3 = 4 BiF3 + 3 O2
Al2(SO4)3 + K2CrO4 = K2SO4 + Al2(CrO4)3 =>
Al2(SO4)3 + 3 K2CrO4 = 3 K2SO4 + Al2(CrO4)3
At + Fe = FeAt =>
At + Fe = FeAt
Br1 + O2 = Br2O1 =>
4 Br1 + O2 = 2 Br2O1
I2 + HSO3{-} + H2O = I{-} + HSO4{-} + H3O{+} =>
I2 + HSO3{-} + 3 H2O = 2 I{-} + HSO4{-} + 2 H3O{+}
Mg + Au{+} = Mg{+2} + Au =>
Mg + 2 Au{+} = Mg{+2} + 2 Au
CH3(CH2)14COOH + CH3OH = CH3(CH2)14COOCH3 + H2O =>
CH3(CH2)14COOH + CH3OH = CH3(CH2)14COOCH3 + H2O
S + C = CS2 =>
2 S + C = CS2
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
K + H3CO3 = H2 + K2CO3 =>
4 K + 2 H3CO3 = 3 H2 + 2 K2CO3
Fe2(CO3)3 + HF = CO2 + H2O + FeF3 =>
Fe2(CO3)3 + 6 HF = 3 CO2 + 3 H2O + 2 FeF3
PbCl2 + (NH4)3Fe(CN)6 = NH4Cl + Pb3[Fe(CN)6]2 =>
3 PbCl2 + 2(NH4)3Fe(CN)6 = 6 NH4Cl + Pb3[Fe(CN)6]2
N + O2 = NO =>
2 N + O2 = 2 NO
CH3CH2OH + H2O2 = CH3COOH + H2O =>
CH3CH2OH + 2 H2O2 = CH3COOH + 3 H2O
CaOH + CO3 = CaCO3 + H2O + O2 =>
4 CaOH + 4 CO3 = 4 CaCO3 + 2 H2O + O2
CrCl3 + KBiO3 + HCl = K2Cr2O7 + BiCl3 + KCl + H2O =>
2 CrCl3 + 3 KBiO3 + 4 HCl = K2Cr2O7 + 3 BiCl3 + KCl + 2 H2O
NaOH + C20H14O4 = NaH14O4 + C20OH =>
NaOH + C20H14O4 = NaH14O4 + C20OH
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Al + H2O = H2AlO =>
Al + H2O = H2AlO
Al + (SO4)3 + BaCl2 = AlCl3 + BaSO4 =>
2 Al + (SO4)3 + 3 BaCl2 = 2 AlCl3 + 3 BaSO4
Cu{2+} + Zn = Cu + Zn{2+} =>
Cu{2+} + Zn = Cu + Zn{2+}
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
C7H6O3 + NaHCO3 + ZnSO47H2O = Zn(C7H6O3)2 + Na2SO4 + CO2 + H2O =>
36 C7H6O3 + 14 NaHCO3 + 7 ZnSO47H2O = 7 Zn(C7H6O3)2 + 7 Na2SO4 + 168 CO2 + 80 H2O
Na(OH)(l) + H2(SO4)(l) = Na2(SO4)(aq) + H2O(g) =>
2 Na(OH)(l) + H2(SO4)(l) = Na2(SO4)(aq) + 2 H2O(g)
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