Équations équilibrées la veille |
2 CH3COOH + ZnO = (CH3COO)2Zn + H2O
Fe(OH)3 + OH{-} + ClO{-} = FeO4{-} + Cl{-} + H2O =>
Fe(OH)3 + OH{-} + 2 ClO{-} = FeO4{-} + 2 Cl{-} + 2 H2O
CO + CO3 = C2O4 =>
CO + CO3 = C2O4
B + H2O = BO + H2 =>
B + H2O = BO + H2
CuFeS2 + O2 = Cu2S + FeS + SO2 =>
2 CuFeS2 + O2 = Cu2S + 2 FeS + SO2
AgNO3(aq) + Na2CrO4(aq) = Ag2CrO4(s) + NaNO3(aq) =>
2 AgNO3(aq) + Na2CrO4(aq) = Ag2CrO4(s) + 2 NaNO3(aq)
AgN + CaCl2 = AgCl + CaN2 =>
2 AgN + CaCl2 = 2 AgCl + CaN2
NaOH + Ca(OH)2 = NaCa + OH =>
NaOH + Ca(OH)2 = NaCa + 3 OH
S + KOH = K2S + K2SO3 + H2O =>
3 S + 6 KOH = 2 K2S + K2SO3 + 3 H2O
CO2(g) + H2O(g) = C6H12O6 + O2(g) =>
6 CO2(g) + 6 H2O(g) = C6H12O6 + 6 O2(g)
CaCO3 + FePO4 = Ca3(PO4)2 + Fe2(CO3)3 =>
3 CaCO3 + 2 FePO4 = Ca3(PO4)2 + Fe2(CO3)3
(NH4)3 + PO4 + NaOH = Na3PO4 + NH3 + H2O =>
(NH4)3 + PO4 + 3 NaOH = Na3PO4 + 3 NH3 + 3 H2O
Mg(s) + O2 = MgO(s) =>
2 Mg(s) + O2 = 2 MgO(s)
Be(OH)2 + Sr(OH)2 = Sr(Be(OH)4) =>
Be(OH)2 + Sr(OH)2 = Sr(Be(OH)4)
NaCl(ac) + AgNO3(ac) = AgCl + NaNO3 =>
NaCl(ac) + AgNO3(ac) = AgCl + NaNO3
S8 + NaOH = Na2S + Na2SO4 + H2O =>
S8 + 16 NaOH = 6 Na2S + 2 Na2SO4 + 8 H2O
Al2(SO4)3 + Sr(NO3)2 = Al(NO3)3 + SrSO4 =>
Al2(SO4)3 + 3 Sr(NO3)2 = 2 Al(NO3)3 + 3 SrSO4
K2CO3(s) + H2SO4(aq) = K2SO4(aq) + CO2(g) + H2O(l) =>
K2CO3(s) + H2SO4(aq) = K2SO4(aq) + CO2(g) + H2O(l)
Pb + Cl2 = PbCl4 =>
Pb + 2 Cl2 = PbCl4
Li2S = Li2 + S =>
Li2S = Li2 + S
FeCO3 + H2 = Fe + H2O + CO2 =>
FeCO3 + H2 = Fe + H2O + CO2
Fe(OH)2 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe(OH)2 + 4 H2SO4 = Fe2(SO4)3 + SO2 + 6 H2O
Be + HNO3 = Be(NO3)2 + N2 + H2O =>
5 Be + 12 HNO3 = 5 Be(NO3)2 + N2 + 6 H2O
Mg(ClO4)2 + Na = NaClO4 + Mg =>
Mg(ClO4)2 + 2 Na = 2 NaClO4 + Mg
Zn + KOH = K2ZnO2 + H2 =>
Zn + 2 KOH = K2ZnO2 + H2
C14H10O2 + NaBH4 = C14H12O2 + NaB =>
2 C14H10O2 + NaBH4 = 2 C14H12O2 + NaB
NaI + CoCl2 = NaCl + CoI2 =>
2 NaI + CoCl2 = 2 NaCl + CoI2
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2 =>
Pb(NO3)2 + K4[Fe(CN)6] = Pb[Fe(CN)6] + K4(NO3)2
NiO + S = SO + Ni =>
NiO + S = SO + Ni
CU + H2SO4 + O2 = CUSO4 + H2O =>
2 CU + 2 H2SO4 + O2 = 2 CUSO4 + 2 H2O
Pb(CH3COO)2 + CaBr2 = PbBr2 + Ca(CH3COO)2 =>
Pb(CH3COO)2 + CaBr2 = PbBr2 + Ca(CH3COO)2
HNO3(aq) + Sr(OH)2(aq) = H2O(l) + Sr(NO3)2(aq) =>
2 HNO3(aq) + Sr(OH)2(aq) = 2 H2O(l) + Sr(NO3)2(aq)
Pb + Cl2 = PbCl4 =>
Pb + 2 Cl2 = PbCl4
Na2[Zn(OH)4] + H2S = Zn(OH)2 + Na2S + H2O =>
Na2[Zn(OH)4] + H2S = Zn(OH)2 + Na2S + 2 H2O
Fe(s) + H2SO4 = Fe2(SO4)3 + H2 =>
2 Fe(s) + 3 H2SO4 = Fe2(SO4)3 + 3 H2
Cr2(SO4)3 + K2SO4 + I2 + H2O = K2Cr2O7 + KI + H2SO4 =>
Cr2(SO4)3 + 4 K2SO4 + 3 I2 + 7 H2O = K2Cr2O7 + 6 KI + 7 H2SO4
KMnO4 + NaOH = KOH + NaMnO4 =>
KMnO4 + NaOH = KOH + NaMnO4
Co + KSCN = Co(SCN)2 + K =>
Co + 2 KSCN = Co(SCN)2 + 2 K
Zn + H2SO3 + HCl = S + ZnCl(OH)2 + H2O =>
4 Zn + 3 H2SO3 + 4 HCl = 3 S + 4 ZnCl(OH)2 + H2O
N2O5 + HCl = HNO3 + NO2Cl =>
N2O5 + HCl = HNO3 + NO2Cl
K3PO4(aq) + Fe(NO3)3(aq) = FePO4 + KNO3 =>
K3PO4(aq) + Fe(NO3)3(aq) = FePO4 + 3 KNO3
SiC + Cl2 = SiCl4 + C =>
SiC + 2 Cl2 = SiCl4 + C
MnSO4 + KClO3 + H2O = MnO2 + Cl2 + H2SO4 + K2SO4 =>
5 MnSO4 + 2 KClO3 + 4 H2O = 5 MnO2 + Cl2 + 4 H2SO4 + K2SO4
C + NaOH = COH + Na =>
C + NaOH = COH + Na
MnSO4 + KIO3 + KOH = K2MnO4 + I2 + K2SO4 + H2O =>
5 MnSO4 + 4 KIO3 + 16 KOH = 5 K2MnO4 + 2 I2 + 5 K2SO4 + 8 H2O
Cd + S = CdS =>
Cd + S = CdS
C14H10O2 + O2 = CO2 + H2O =>
2 C14H10O2 + 31 O2 = 28 CO2 + 10 H2O
CH3COOH + C2H5OH = CH3COOC2H5 + H2O =>
CH3COOH + C2H5OH = CH3COOC2H5 + H2O
Ca(NO3)2 + AlPO4 = Ca3(PO4)2 + Al(NO3)3 =>
3 Ca(NO3)2 + 2 AlPO4 = Ca3(PO4)2 + 2 Al(NO3)3
AlCl3 + (NH4)2S = [Al(NH3)2Cl2]Cl + H2S =>
AlCl3 + (NH4)2S = [Al(NH3)2Cl2]Cl + H2S
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