Équations équilibrées la veille |
7 CH3OH + Cr2O7 = 7 CH2O + 2 Cr + 7 H2O
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
(CaOH)2CO3 + H2CO3 = CaCO3 + H2O =>
(CaOH)2CO3 + H2CO3 = 2 CaCO3 + 2 H2O
NaHCO3 + HCl = NaCl + H2CO3 =>
NaHCO3 + HCl = NaCl + H2CO3
SO3{2-} + Fe{2+} + H{+} = S{2-} + Fe{3+} + H2O =>
SO3{2-} + 6 Fe{2+} + 6 H{+} = S{2-} + 6 Fe{3+} + 3 H2O
Zn + I2 + H2O = HI + ZnO =>
Zn + I2 + H2O = 2 HI + ZnO
Mg = Mg2{+} + e =>
2 Mg = Mg2{+} + e
NaOH + CuSO4 = NaSO4 + CuHO =>
NaOH + CuSO4 = NaSO4 + CuHO
NaOH + Fe(NO3)3 = FeOHNa(NO3)3 =>
NaOH + Fe(NO3)3 = FeOHNa(NO3)3
K + Hg + I = KHgI =>
K + Hg + I = KHgI
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
ZnBr2 + Na2CO3 = ZnCO3(s) + NaBr =>
ZnBr2 + Na2CO3 = ZnCO3(s) + 2 NaBr
Na2S2O3 + NaOH = Na2SO4 + Na2S + H2O =>
Na2S2O3 + 2 NaOH = Na2SO4 + Na2S + H2O
Mg2 + H2O = MgOH + H2 =>
Mg2 + 2 H2O = 2 MgOH + H2
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Si2Cl6 + O3 = SiO2 + Cl =>
3 Si2Cl6 + 4 O3 = 6 SiO2 + 18 Cl
Mg = Mg{2+} + {-} =>
Mg = Mg{2+} + 2e
Sn(OH)Cl + HCl = SnCl2 + H2O =>
Sn(OH)Cl + HCl = SnCl2 + H2O
C8H16 + O2 = CO2 + H2O =>
C8H16 + 12 O2 = 8 CO2 + 8 H2O
C2H5OH(g) + H2O = H2(g) + CO2(g) =>
C2H5OH(g) + 3 H2O = 6 H2(g) + 2 CO2(g)
C6H5CH3 + O2 = H2O + CO2 =>
C6H5CH3 + 9 O2 = 4 H2O + 7 CO2
Mg(s) + O2(g) = MgO(s) =>
2 Mg(s) + O2(g) = 2 MgO(s)
Mg3P2 + O2 = MgO + P2O3 =>
Mg3P2 + 3 O2 = 3 MgO + P2O3
Mg + N2 = Mg3N2 =>
3 Mg + N2 = Mg3N2
C6H5NO2 + Fe + HCl = C6H5NH2 + FeCl2 + H2O =>
C6H5NO2 + 3 Fe + 6 HCl = C6H5NH2 + 3 FeCl2 + 2 H2O
Fe(OH)2(aq) + O2(g) = FeO3(s) + H2O(l) =>
Fe(OH)2(aq) + O2(g) = FeO3(s) + H2O(l)
Mg + Fe{+3} = Mg{+2} + Fe =>
3 Mg + 2 Fe{+3} = 3 Mg{+2} + 2 Fe
NaCI + F2 = NaF + CI =>
2 NaCI + F2 = 2 NaF + 2 CI
CH4O2 + O2 = CO2 + H2O =>
CH4O2 + O2 = CO2 + 2 H2O
HCN + CuSO4 = H2SO4 + Cu(CN)2 =>
2 HCN + CuSO4 = H2SO4 + Cu(CN)2
SO2 + O2 + H2O = H2SO4 =>
2 SO2 + O2 + 2 H2O = 2 H2SO4
Sn + AlCl3 = Al + SnCl2 =>
3 Sn + 2 AlCl3 = 2 Al + 3 SnCl2
C(k) + O2(d) = CO(d) =>
2 C(k) + O2(d) = 2 CO(d)
Al2S3 + H2O = Al(OH)3 + H2S =>
Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
Pb(CH3COO)2 + KF = PbF2 + KCH3COO =>
Pb(CH3COO)2 + 2 KF = PbF2 + 2 KCH3COO
NH3 + BaCl2 = BaNH3 + Cl =>
NH3 + BaCl2 = BaNH3 + 2 Cl
C9H8O4 + NaClO3 = NaCl + CO2 + H2O =>
C9H8O4 + 6 NaClO3 = 6 NaCl + 9 CO2 + 4 H2O
MnSO4 + KBrO3 + KOH = MnO2 + KBr + K2SO4 + H2O =>
3 MnSO4 + KBrO3 + 6 KOH = 3 MnO2 + KBr + 3 K2SO4 + 3 H2O
K4[Mn(CN)6] + K = K6[Mn(CN)6] =>
K4[Mn(CN)6] + 2 K = K6[Mn(CN)6]
Ag(OH) + H2SO3 = Ag2(SO3) + H2O =>
2 Ag(OH) + H2SO3 = Ag2(SO3) + 2 H2O
BaCl2K2CrO4 = BaCrO4 + KCl =>
BaCl2K2CrO4 = BaCrO4 + 2 KCl
C7H15 + I2 = C7I2H13 + H2 =>
C7H15 + I2 = C7I2H13 + H2
FeCl3 + KOH = KCl + H3FeO3 =>
FeCl3 + 3 KOH = 3 KCl + H3FeO3
Na2S + Fe(II)Br2 = NaBr + Fe(II)S =>
Na2S + Fe(II)Br2 = 2 NaBr + Fe(II)S
toluene + H2 = C3H6 =>
3 C7H8 + 9 H2 = 7 C3H6
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
CH3OH + Cr2O7 = CH2O + Cr + H2O =>
7 CH3OH + Cr2O7 = 7 CH2O + 2 Cr + 7 H2O
SO2 + NaOH = NaHSO3 =>
SO2 + NaOH = NaHSO3
PBO2 + MnSO4 + HNO3 = HMnO4 + PBSO3 + PB(NO3)2 =>
3 PBO2 + 2 MnSO4 + 2 HNO3 = 2 HMnO4 + 2 PBSO3 + PB(NO3)2
MnSO4 + KBrO3 + KOH = K2MnO4 + K2SO4 + Br2 + H2O =>
5 MnSO4 + 4 KBrO3 + 16 KOH = 5 K2MnO4 + 5 K2SO4 + 2 Br2 + 8 H2O
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