| Équations équilibrées la veille |
3 CH3COOH + 8 MgCO3 = 8 MgCOOH + 2 H2O + 6 CO2
N2(g) + H2(g) = NH3(g) =>
N2(g) + 3 H2(g) = 2 NH3(g)
SnS + HNO3 = SnSO4 + NO2 + H2O =>
SnS + 8 HNO3 = SnSO4 + 8 NO2 + 4 H2O
FeCO3 + CN = Fe(CN)6 + CO3 =>
FeCO3 + 6 CN = Fe(CN)6 + CO3
CrO2 + K2O + O2 = K2Cr2O7 =>
2 CrO2 + K2O + O2 = K2Cr2O7
H2SO4 = H{+} + HSO4{-}2 =>
H2SO4 = H{+} + HSO4{-}2
BaSiO3 + HCl = BaCl2 + H2SiO3 =>
BaSiO3 + 2 HCl = BaCl2 + H2SiO3
Se2 + Br7 + Na9 = Se5Br21Na27 =>
5 Se2 + 6 Br7 + 6 Na9 = 2 Se5Br21Na27
C3H8O3 + Cd(OH)2 = [Cd(C3H8O3)](OH)2 =>
C3H8O3 + Cd(OH)2 = [Cd(C3H8O3)](OH)2
Al(NO3)3 + Sr(NO3)2 + CH4N2O = SrAl2O4 + H2O + CO2 + N2 =>
6 Al(NO3)3 + 3 Sr(NO3)2 + 20 CH4N2O = 3 SrAl2O4 + 40 H2O + 20 CO2 + 32 N2
SnI2 = Sn + I2 =>
SnI2 = Sn + I2
CH3CH4CH6 + KMnO4 + H2O = MnO2 + CH3CH4(OH)CH6(OH) + KOH =>
3 CH3CH4CH6 + 2 KMnO4 + 4 H2O = 2 MnO2 + 3 CH3CH4(OH)CH6(OH) + 2 KOH
Cd + Bi2O3 = CdO + Bi =>
3 Cd + Bi2O3 = 3 CdO + 2 Bi
Cu + HNO3 = CuNO3 + N2O2 + H2O2 =>
2 Cu + 4 HNO3 = 2 CuNO3 + N2O2 + 2 H2O2
O2 + PCl3 = POCl3 =>
O2 + 2 PCl3 = 2 POCl3
SiO2 + C + Ca3(PO4)2 = P + CaSiO3 + CaCO3 =>
SiO2 + 5 C + 2 Ca3(PO4)2 = 4 P + CaSiO3 + 5 CaCO3
KCl + HCl = KHCl2 =>
KCl + HCl = KHCl2
CBr4 + Cl2 = CCl4 + Br =>
CBr4 + 2 Cl2 = CCl4 + 4 Br
YCl3 + NaOH = Y(OH)3 + NaCl =>
YCl3 + 3 NaOH = Y(OH)3 + 3 NaCl
NaCHO2 + H2O = NaCO2 + H3O =>
NaCHO2 + H2O = NaCO2 + H3O
C8H18 + O2 = H2O2 + (CO)2 =>
C8H18 + 13 O2 = 9 H2O2 + 4(CO)2
C3H8 = C15 + H18 =>
45 C3H8 = 9 C15 + 20 H18
Mg3(PO4)2 + H2SO4 = MgSO4 + H3PO4 =>
Mg3(PO4)2 + 3 H2SO4 = 3 MgSO4 + 2 H3PO4
KCrO2 + PbO2 + NaOH = Na2CrO4 + Na2PbO2 + H2O + K2CrO4 =>
2 KCrO2 + 3 PbO2 + 8 NaOH = Na2CrO4 + 3 Na2PbO2 + 4 H2O + K2CrO4
ClO2{-} + Cu{2} + H2O = ClO4{-} + Cu{+} + H{+} =>
ClO2{-} + 4 Cu{2} + 2 H2O = ClO4{-} + 4 Cu{+} + 4 H{+}
BaCl2 + Al2(SO4)3 = BaSO4 + AlCl3 =>
3 BaCl2 + Al2(SO4)3 = 3 BaSO4 + 2 AlCl3
KI(s) + PbNO(s) = PbI(s) + KNO(s) =>
KI(s) + PbNO(s) = PbI(s) + KNO(s)
Na(PO3) + Ca(OH)2 = NaOH + Ca(PO3)2 =>
2 Na(PO3) + Ca(OH)2 = 2 NaOH + Ca(PO3)2
Ag + KNO3 = K + Ag2NO3 =>
2 Ag + KNO3 = K + Ag2NO3
H2SO4 + K2(OH)2 = K2SO4 + H2O =>
H2SO4 + K2(OH)2 = K2SO4 + 2 H2O
H2O + NO2 + Pb{2+} = NO3{-} + Pb + H{+} =>
2 H2O + 2 NO2 + Pb{2+} = 2 NO3{-} + Pb + 4 H{+}
Na2(CO3)2 + Ni(NO3)3 = NaNO3 + Ni(CO3)3 =>
3 Na2(CO3)2 + 2 Ni(NO3)3 = 6 NaNO3 + 2 Ni(CO3)3
KMnO4 + FeC2O4 = FeMnO4 + KC2O4 =>
KMnO4 + FeC2O4 = FeMnO4 + KC2O4
NH4Br + I2 = NH4I2 + Br =>
NH4Br + I2 = NH4I2 + Br
NaCOOH + CH3C4H5O6 = NaC4H5O6 + CH3COOH =>
NaCOOH + CH3C4H5O6 = NaC4H5O6 + CH3COOH
CO + Fe = [Fe(CO)5] =>
5 CO + Fe = [Fe(CO)5]
Mn + H(NO3) = Mn(NO3)2 + NO2 + H2O =>
Mn + 4 H(NO3) = Mn(NO3)2 + 2 NO2 + 2 H2O
K2SO3 + K2Cr2O7 + H2SO4 = Cr2O3 + K2SO4 + H2O =>
3 K2SO3 + K2Cr2O7 + H2SO4 = Cr2O3 + 4 K2SO4 + H2O
NaCl(s) = Na(g) + Cl(g) =>
NaCl(s) = Na(g) + Cl(g)
Zn + Sn{+} = Zn2{+} + Sn =>
2 Zn + Sn{+} = Zn2{+} + Sn
Ca(OH)2 + H2SO4 = (CaOH)2SO4 + HOH =>
2 Ca(OH)2 + H2SO4 = (CaOH)2SO4 + 2 HOH
S + Au(NO3)3 = Au + S(NO3)2 =>
3 S + 2 Au(NO3)3 = 2 Au + 3 S(NO3)2
CaCO3 + Al2O3 = Ca3(AlO3)2 + CO2 =>
3 CaCO3 + Al2O3 = Ca3(AlO3)2 + 3 CO2
C2H5MgBr + CO2 + H2O = C2H5COOH + MgH + HBr =>
14 C2H5MgBr + 5 CO2 + 12 H2O = 11 C2H5COOH + 14 MgH + 14 HBr
CuCl2 + Na2SO4 = CuSO4 + NaCl =>
CuCl2 + Na2SO4 = CuSO4 + 2 NaCl
SO3 + H2SO4 = SO3SO4 + H2 =>
SO3 + H2SO4 = SO3SO4 + H2
C6H10O4 + NaOH = H2O + NaC6H9O4 =>
C6H10O4 + NaOH = H2O + NaC6H9O4
FeI2 + NaOH = Fe(OH)2 + NaI =>
FeI2 + 2 NaOH = Fe(OH)2 + 2 NaI
Y2GdAl5O12 = Y2O3 + Al2O3 + Gd2O3 =>
2 Y2GdAl5O12 = 2 Y2O3 + 5 Al2O3 + Gd2O3
Ba(NO3)2 + K2CrO4 + H2O = Ba(HCrO4)2 + HNO3 + KOH =>
Ba(NO3)2 + 2 K2CrO4 + 4 H2O = Ba(HCrO4)2 + 2 HNO3 + 4 KOH
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Équations équilibrées sur01/29/25
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