| Équations équilibrées la veille |
4 O + Fe3 = Fe3O4
CH3COOH + NaOCl = CH3COONa + HCl + O2 =>
2 CH3COOH + 2 NaOCl = 2 CH3COONa + 2 HCl + O2
Na2CO3NaOH = Na2OHNaCO3 =>
Na2CO3NaOH = Na2OHNaCO3
NaOHZn(NO3)2 = Na(NO3)2ZnOH =>
NaOHZn(NO3)2 = Na(NO3)2ZnOH
N2 + H2O = NH3 + NO =>
5 N2 + 6 H2O = 4 NH3 + 6 NO
Al2O3 + C5 = Al5 + CO2 =>
10 Al2O3 + 3 C5 = 4 Al5 + 15 CO2
H2O2 + Br2 = BrO4{-} + H2O + H{+} =>
7 H2O2 + Br2 = 2 BrO4{-} + 6 H2O + 2 H{+}
CaCO3 + HCl = CaCl2(aq) + H2O(l) + CO2(g) =>
CaCO3 + 2 HCl = CaCl2(aq) + H2O(l) + CO2(g)
ZnHNO3 = ZnOHNO2 =>
ZnHNO3 = ZnOHNO2
CaCO3 + HCl = CaCl2 + H2O(l) + CO2(g) =>
CaCO3 + 2 HCl = CaCl2 + H2O(l) + CO2(g)
NH3 + HC2H3O2 = C2H3O2{-} + NH4{+} =>
NH3 + HC2H3O2 = C2H3O2{-} + NH4{+}
C9H6O3 + C4H6O3 = C9H8O4 =>
11 C9H6O3 + 9 C4H6O3 = 15 C9H8O4
Al + C = Al4C3 =>
4 Al + 3 C = Al4C3
K + MgBr2 = KBr + Mg =>
2 K + MgBr2 = 2 KBr + Mg
HCCH + NaOH = HCCNa + H2O =>
HCCH + NaOH = HCCNa + H2O
CH3OH + HNO2 = CH3ONO + H2O =>
CH3OH + HNO2 = CH3ONO + H2O
Ca(OH)2 + NH4NO3 = NH3 + H2O + Ca(NO3)2 =>
Ca(OH)2 + 2 NH4NO3 = 2 NH3 + 2 H2O + Ca(NO3)2
(NH4)2Cr2O7 + Ba(OH)2 = NH4OH + BaCr2O7 =>
(NH4)2Cr2O7 + Ba(OH)2 = 2 NH4OH + BaCr2O7
CaO + H2O = Ca(OH)2 =>
CaO + H2O = Ca(OH)2
NH4OH + SO2 = H2SO3 + NH3 =>
NH4OH + SO2 = H2SO3 + NH3
W2 + C = WC =>
W2 + 2 C = 2 WC
AlCl3 + CH3COONa = AlCl(CH3COO)2 + NaCl =>
AlCl3 + 2 CH3COONa = AlCl(CH3COO)2 + 2 NaCl
C6H12O6(g) + O2(g) = CO2(g) + H2O(g) =>
C6H12O6(g) + 6 O2(g) = 6 CO2(g) + 6 H2O(g)
CuSO4 + Mg(NO3)2 = Cu(NO3)2 + MgSO4 =>
CuSO4 + Mg(NO3)2 = Cu(NO3)2 + MgSO4
BaSO4 = BaS + O2 =>
BaSO4 = BaS + 2 O2
CeCl3 + NaOH = Ce(OH)3 + NaCl =>
CeCl3 + 3 NaOH = Ce(OH)3 + 3 NaCl
CaCo3 + NaNo3 = Na2Co3 + Ca(No3)2 =>
CaCo3 + 2 NaNo3 = Na2Co3 + Ca(No3)2
NH2CH2CONHCH2(CH3)COOH + HCl + H2O = NH2CH2COOH + NH3ClCH2(CH3)COOH =>
NH2CH2CONHCH2(CH3)COOH + HCl + H2O = NH2CH2COOH + NH3ClCH2(CH3)COOH
KMnO4 + HCl = KCl + MnCl2 + H2O + Cl2 =>
2 KMnO4 + 16 HCl = 2 KCl + 2 MnCl2 + 8 H2O + 5 Cl2
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
CaC2 + F2 = C + CaF2 =>
CaC2 + F2 = 2 C + CaF2
Re3O10 + CO = Re2(CO)10 + CO2 =>
2 Re3O10 + 50 CO = 3 Re2(CO)10 + 20 CO2
Al2(SO4)2 + NaOH = Na(SO4)2 + Al2OH =>
Al2(SO4)2 + NaOH = Na(SO4)2 + Al2OH
Fe + CUSO4 = FeCU + SO4 =>
Fe + CUSO4 = FeCU + SO4
K2CO3 + NaCN = KCN + Na2CO3 =>
K2CO3 + 2 NaCN = 2 KCN + Na2CO3
HC3CH3 + O2 = CO2 + H2O =>
HC3CH3 + 5 O2 = 4 CO2 + 2 H2O
Cu + HNO3 = Cu2O3 + H2O + NO2 =>
2 Cu + 6 HNO3 = Cu2O3 + 3 H2O + 6 NO2
Na2TeO3 + NaI + HCl = NaCl + H2O + I2 + Te =>
Na2TeO3 + 4 NaI + 6 HCl = 6 NaCl + 3 H2O + 2 I2 + Te
Ag3PO4 + CaCl2 = Ca3(PO4)2 + AgCl =>
2 Ag3PO4 + 3 CaCl2 = Ca3(PO4)2 + 6 AgCl
KI + NaNO2 + H2SO4 = I2 + NO + Na2SO3 + K2SO4 + H2O =>
4 KI + 2 NaNO2 + 3 H2SO4 = 2 I2 + 2 NO + Na2SO3 + 2 K2SO4 + 3 H2O
HNO3 + HgOH = Hg2(NO3)2 + H2O =>
2 HNO3 + 2 HgOH = Hg2(NO3)2 + 2 H2O
Cl2 + As2S3 = AsCl5 + SCl6 =>
14 Cl2 + As2S3 = 2 AsCl5 + 3 SCl6
AlP + HNO3 = H3PO2 + Al(NO3)3 + NO2 + H2O =>
AlP + 7 HNO3 = H3PO2 + Al(NO3)3 + 4 NO2 + 2 H2O
C2H4O2 + Na(CO3)2 = CO2 + H2O + Na =>
C2H4O2 + 2 Na(CO3)2 = 6 CO2 + 2 H2O + 2 Na
Ce(SO4)2 + NH2OH = Ce2(SO4)3 + H2SO4 + N2O + H2O =>
4 Ce(SO4)2 + 2 NH2OH = 2 Ce2(SO4)3 + 2 H2SO4 + N2O + H2O
Mn(OH)2 + SO3 = MnSO4 + H2O =>
Mn(OH)2 + SO3 = MnSO4 + H2O
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
FeO2 + H2S = FeS2 + H2O =>
FeO2 + 2 H2S = FeS2 + 2 H2O
C6H5NH2 + HBr = C6H2NH3Br3 + H2 =>
2 C6H5NH2 + 6 HBr = 2 C6H2NH3Br3 + 5 H2
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