Équations équilibrées la veille |
2 Cr(OH)3 + 3 H2S = Cr2S3 + 6 HOH
HCH2ClCO2(aq) + OH(aq) = CH2ClCO2(aq) + H2O(l) =>
HCH2ClCO2(aq) + OH(aq) = CH2ClCO2(aq) + H2O(l)
CH + H2O = CO + H2 =>
2 CH + 2 H2O = 2 CO + 3 H2
NaNO3 + MgCrO4 = Na2CrO4 + Mg(NO3)2 =>
2 NaNO3 + MgCrO4 = Na2CrO4 + Mg(NO3)2
H2Cr2O7 + NaHCO3 = H2O + CO2 + Na2Cr2O7 =>
H2Cr2O7 + 2 NaHCO3 = 2 H2O + 2 CO2 + Na2Cr2O7
K2SO4 + MgO = MgSO4 + K2O =>
K2SO4 + MgO = MgSO4 + K2O
SiCl4 + H2O = SiO2 + HCl =>
SiCl4 + 2 H2O = SiO2 + 4 HCl
Na3 = Na2 =>
2 Na3 = 3 Na2
K2Cl2O7 + KI + H2SO4 = Cl2(SO4)3 + K2SO4 + I + H2O =>
K2Cl2O7 + 6 KI + 7 H2SO4 = Cl2(SO4)3 + 4 K2SO4 + 6 I + 7 H2O
K2Cr2O7 + H2SO4 + C2H5OH = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
2 K2Cr2O7 + 8 H2SO4 + 3 C2H5OH = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Fe(OH)2 + HNO3 = Fe(NO3)2 + H2O =>
Fe(OH)2 + 2 HNO3 = Fe(NO3)2 + 2 H2O
Sr(NO3)2 + H2SO4 = SrSO4 + H2(NO3)2 =>
Sr(NO3)2 + H2SO4 = SrSO4 + H2(NO3)2
LiOH + HBr = HOH + LiBr =>
LiOH + HBr = HOH + LiBr
C12H22O11 + H2SO4 = C + H2O*H2SO4 =>
C12H22O11 + 11 H2SO4 = 12 C + 11 H2O*H2SO4
Cr(OH)3 + H2S = Cr2S3 + H2O =>
2 Cr(OH)3 + 3 H2S = Cr2S3 + 6 H2O
Pt + HNO3 + HCl = H2[PtCl6] + NO2 + H2O =>
Pt + 4 HNO3 + 6 HCl = H2[PtCl6] + 4 NO2 + 4 H2O
(MnOH)2SO4 = MnSO4 + Mn(OH)2 =>
(MnOH)2SO4 = MnSO4 + Mn(OH)2
BaNO32 + Al = Al2O3 + BaO + N2 =>
6 BaNO32 + 124 Al = 62 Al2O3 + 6 BaO + 3 N2
NaHCO3 + CH2O2 = H2O + CO2 + NaCHO2 =>
NaHCO3 + CH2O2 = H2O + CO2 + NaCHO2
FeSO4 + NaBH4 + H2O = Fe + Na2SO4 + B(OH)3 + H2 =>
FeSO4 + 2 NaBH4 + 6 H2O = Fe + Na2SO4 + 2 B(OH)3 + 7 H2
CH3SO3H + C2H5OH = CHSOCH + H2O =>
2 CH3SO3H + C2H5OH = 2 CHSOCH + 5 H2O
HCOOH + Fe = (HCOO)3Fe + H2 =>
6 HCOOH + 2 Fe = 2(HCOO)3Fe + 3 H2
LaI3 + Cl2 = LaCl3 + I2 =>
2 LaI3 + 3 Cl2 = 2 LaCl3 + 3 I2
Co2S3 + O2 = CoO + SO2 =>
Co2S3 + 4 O2 = 2 CoO + 3 SO2
C6H8O7 + Na = Na3C6H5O7 + H2 =>
2 C6H8O7 + 6 Na = 2 Na3C6H5O7 + 3 H2
(NH4)2SO3 + O2 = H2SO4 + HNO3 + H2O =>
2(NH4)2SO3 + 9 O2 = 2 H2SO4 + 4 HNO3 + 4 H2O
Na + C = Na3C =>
3 Na + C = Na3C
HC2H3O3 + NaOH = H2O + NaCO =>
HC2H3O3 + 2 NaOH = 3 H2O + 2 NaCO
Ca(OH)2 + PO4 = Ca3(PO4)2 + OH =>
3 Ca(OH)2 + 2 PO4 = Ca3(PO4)2 + 6 OH
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
C3H6 + HOH = C3H7OH =>
C3H6 + HOH = C3H7OH
Ca(s) + Fe(NO3)3 = Ca(NO3)3(aq) + Fe(s) =>
Ca(s) + Fe(NO3)3 = Ca(NO3)3(aq) + Fe(s)
Ca(OH)2 + SO = CaSO3 + H2 =>
Ca(OH)2 + SO = CaSO3 + H2
KFe(SO4)2 + NaOH = Fe2(SO4)3 + Na2SO4 + KOH =>
2 KFe(SO4)2 + 2 NaOH = Fe2(SO4)3 + Na2SO4 + 2 KOH
Ba(OH)2*8H2O + CH3COOH = Ba(CH3COO)2 + H2O =>
Ba(OH)2*8H2O + 2 CH3COOH = Ba(CH3COO)2 + 10 H2O
Pb(CH3COO)2 + K2Cr2O7 + H2O = PbCrO4 + CH3COOK + CH3COOH =>
2 Pb(CH3COO)2 + K2Cr2O7 + H2O = 2 PbCrO4 + 2 CH3COOK + 2 CH3COOH
BaNO32 + Al = Al2O3 + BaO + N2 =>
6 BaNO32 + 124 Al = 62 Al2O3 + 6 BaO + 3 N2
Ca(s) + Fe(NO3)3 = Ca(NO3)2 + Fe =>
3 Ca(s) + 2 Fe(NO3)3 = 3 Ca(NO3)2 + 2 Fe
CoCl4 + KSCN = CoSCN + KCl4 =>
CoCl4 + KSCN = CoSCN + KCl4
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
Ca(OH)2 + PO4H3 = Ca3(PO4)2 + H2O =>
3 Ca(OH)2 + 2 PO4H3 = Ca3(PO4)2 + 6 H2O
O3 + NaI + H2O = O2I2 + NaOH =>
O3 + 2 NaI + H2O = O2I2 + 2 NaOH
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
CH3SO3H + C2H5OH = CHSOCH + H2O =>
2 CH3SO3H + C2H5OH = 2 CHSOCH + 5 H2O
Ba(OH)2*8H2O(s) + NH4SCN(s) = Ba(SCN)2(s) + H2O(l) + NH3(g) =>
Ba(OH)2*8H2O(s) + 2 NH4SCN(s) = Ba(SCN)2(s) + 10 H2O(l) + 2 NH3(g)
BaNO32 + Al = Al2O3 + BaO + N2 =>
6 BaNO32 + 124 Al = 62 Al2O3 + 6 BaO + 3 N2
AgNO3 + SnCl4 = AgCl2 + Sn(NO3)2 =>
2 AgNO3 + SnCl4 = 2 AgCl2 + Sn(NO3)2
Al + H2SO4 = Al*2(SO4)*3 + H*2 =>
Al + 2 H2SO4 = Al*2(SO4)*3 + 4 H*2
O2 + I = O2I =>
O2 + I = O2I
CH3SO3H + C2H5OH = CHSOCH + H2O =>
2 CH3SO3H + C2H5OH = 2 CHSOCH + 5 H2O
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