| Équations équilibrées la veille |
7 HC2H3O2 + 8 NaH2CO3 = 8 NaC2H3O2 + 6 CO2 + 10 H2O
Sb + Cl2 = Sb5Cl15 =>
10 Sb + 15 Cl2 = 2 Sb5Cl15
NH3 + HCl = NH4 + Cl2 =>
2 NH3 + 2 HCl = 2 NH4 + Cl2
MoS2 + MoIr = Mo + Ir2S3 =>
3 MoS2 + 4 MoIr = 7 Mo + 2 Ir2S3
C2C6H14 + O2 = CO2 + H2O =>
2 C2C6H14 + 23 O2 = 16 CO2 + 14 H2O
FeS2 + O2(g) = SO2(g) + Fe2O3 =>
4 FeS2 + 11 O2(g) = 8 SO2(g) + 2 Fe2O3
MgCl2 + Li2CO3 = MgCO3 + ClLi =>
MgCl2 + Li2CO3 = MgCO3 + 2 ClLi
Ca(OH)2 + H{+} = Ca{2}{+} + H2O =>
Ca(OH)2 + 2 H{+} = Ca{2}{+} + 2 H2O
FeS2 + O2 = SO2 + Fe2O3 =>
4 FeS2 + 11 O2 = 8 SO2 + 2 Fe2O3
Cu2CO3(OH)2 + HNO3 = Cu(NO3)2 + H2O + CO2 =>
Cu2CO3(OH)2 + 4 HNO3 = 2 Cu(NO3)2 + 3 H2O + CO2
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
Al(OH)3 + NH4OH = NH4(Al(OH)4) =>
Al(OH)3 + NH4OH = NH4(Al(OH)4)
KI + NH4OH = K(OH) + NH4I =>
KI + NH4OH = K(OH) + NH4I
C3H8O2 + KNO3 + S = K2S + CO2 + N2 + H2O =>
3 C3H8O2 + 8 KNO3 + 4 S = 4 K2S + 9 CO2 + 4 N2 + 12 H2O
Zn2(SO4)2 + Al = Zn3Al2 + SO4 =>
3 Zn2(SO4)2 + 4 Al = 2 Zn3Al2 + 6 SO4
NaN3 + Fe2O3 = Fe + N2 + NaO2 =>
6 NaN3 + 4 Fe2O3 = 8 Fe + 9 N2 + 6 NaO2
H2S + CO2 + H2O = H2SO4 + CH4 =>
H2S + CO2 + 2 H2O = H2SO4 + CH4
Cr + C3H7COOH = CrC3H6COO + H2 =>
Cr + C3H7COOH = CrC3H6COO + H2
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
HBO2 + NaOH = Na2B4O7 + H2O =>
4 HBO2 + 2 NaOH = Na2B4O7 + 3 H2O
C2H2 + KMnO4 + H2SO4 = H2O + CO2 + MnSO4 + K2SO4 =>
C2H2 + 2 KMnO4 + 3 H2SO4 = 4 H2O + 2 CO2 + 2 MnSO4 + K2SO4
I2 + HNO3 = HIO3 + NO + H2O =>
3 I2 + 10 HNO3 = 6 HIO3 + 10 NO + 2 H2O
Br{-} + [SO4]{-2} + H{+} = Br2 + [SO3]{-2} + H2O =>
2 Br{-} + [SO4]{-2} + 2 H{+} = Br2 + [SO3]{-2} + H2O
Ca3(PO4)2 + C + SO2 = CaSO4 + P4 + CO2 =>
2 Ca3(PO4)2 + 2 C + 6 SO2 = 6 CaSO4 + P4 + 2 CO2
NaHCO3 + OH = NaOH + HCO3 =>
NaHCO3 + OH = NaOH + HCO3
H2CO3 = H2O + CO2 =>
H2CO3 = H2O + CO2
HCl(aq) + MgO2(s) = MgCl2 + H2O(l) + Cl2 =>
4 HCl(aq) + MgO2(s) = MgCl2 + 2 H2O(l) + Cl2
H2SO3 + Al = Al2(SO3)3 + H =>
3 H2SO3 + 2 Al = Al2(SO3)3 + 6 H
KO2 + KI + H2SO4 = I2 + K2SO4 + H2O =>
2 KO2 + 6 KI + 4 H2SO4 = 3 I2 + 4 K2SO4 + 4 H2O
Al + HCl = ClAl3 + H =>
3 Al + HCl = ClAl3 + H
NHCl4ClO4 = N2 + Cl2 + O2 + H2O =>
4 NHCl4ClO4 = 2 N2 + 10 Cl2 + 7 O2 + 2 H2O
Cr + O2 = Cr2O3 =>
4 Cr + 3 O2 = 2 Cr2O3
C6H5COOH + NaHCO3 = NaC6H5COO + H2O + CO2 =>
C6H5COOH + NaHCO3 = NaC6H5COO + H2O + CO2
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C6H13NO2 + O2 = CO2 + H2O + CH4ON2 =>
2 C6H13NO2 + 15 O2 = 11 CO2 + 11 H2O + CH4ON2
Ag(NO3) + Fe = Fe2(NO3) + Ag =>
Ag(NO3) + 2 Fe = Fe2(NO3) + Ag
Cu + HNO3 = N2O + Cu(NO3)2 + H2O =>
4 Cu + 10 HNO3 = N2O + 4 Cu(NO3)2 + 5 H2O
P4S3 + Br2 + KOH = K3PO4 + K2SO4 + KBr + H2O =>
P4S3 + 19 Br2 + 56 KOH = 4 K3PO4 + 3 K2SO4 + 38 KBr + 28 H2O
H2SO3 + Al = Al2(SO3)3 + H2 =>
3 H2SO3 + 2 Al = Al2(SO3)3 + 3 H2
C4H8N2O3 + O2 = CO2 + H2O + CH4N2O =>
C4H8N2O3 + 3 O2 = 3 CO2 + 2 H2O + CH4N2O
HBr + CH3OH = CH3OH2 + Br =>
HBr + CH3OH = CH3OH2 + Br
Cu + NH3 = Cu(NH3)2 =>
Cu + 2 NH3 = Cu(NH3)2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
H3OF + CaCl2 = CaF2 + HCl + H2O =>
2 H3OF + CaCl2 = CaF2 + 2 HCl + 2 H2O
BrF3 = Br + F2 =>
2 BrF3 = 2 Br + 3 F2
K2CrO4 + Na2S + HCl = KCl + CrCl3 + Na2SO4 + H2O =>
8 K2CrO4 + 3 Na2S + 40 HCl = 16 KCl + 8 CrCl3 + 3 Na2SO4 + 20 H2O
NaCl = Cl + Na =>
NaCl = Cl + Na
K2Cr2O7 + H2(SO4) + H2C2O4 = Cr2(SO4)3 + K2SO4 + CO2 + H2O =>
K2Cr2O7 + 4 H2(SO4) + 3 H2C2O4 = Cr2(SO4)3 + K2SO4 + 6 CO2 + 7 H2O
Ca(NO3)2(3H2O) + LaC2 = Ca(NO3)2 + La(OH)2 + C2H2 =>
2 Ca(NO3)2(3H2O) + 3 LaC2 = 2 Ca(NO3)2 + 3 La(OH)2 + 3 C2H2
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