| Équations équilibrées la veille |
2 Pb7I4 + 28 CaO = 7 Pb2O4 + 4 Ca7I2
Cu + NO3 = Cu{2+} + NO3{-} =>
Cu + 2 NO3 = Cu{2+} + 2 NO3{-}
AlBr3 + Cl = Br3Cl + Al =>
AlBr3 + Cl = Br3Cl + Al
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
K2O + CuO + O2 = KCuO2 =>
2 K2O + 4 CuO + O2 = 4 KCuO2
CH3CHOHCH3 + CrO3 = CH3COCH3 + Cr(OH)3 =>
3 CH3CHOHCH3 + 2 CrO3 = 3 CH3COCH3 + 2 Cr(OH)3
Au2 + N = N3Au =>
Au2 + 6 N = 2 N3Au
SO2 + O2 = SO3 =>
2 SO2 + O2 = 2 SO3
Mg2O + H2O = HMgO =>
Mg2O + H2O = 2 HMgO
Ag2SO4 + MgI2 = MgSO4 + AgI =>
Ag2SO4 + MgI2 = MgSO4 + 2 AgI
C + KClO4 = CO2 + KCl =>
2 C + KClO4 = 2 CO2 + KCl
Al2(SO4)3 + NaClO + H2O = Al(OH)3 + Cl2 + Na2SO4 + O2 =>
2 Al2(SO4)3 + 12 NaClO + 6 H2O = 4 Al(OH)3 + 6 Cl2 + 6 Na2SO4 + 3 O2
Er2O3 + CH3COOH = Er(CH3COO)3 + H2O =>
Er2O3 + 6 CH3COOH = 2 Er(CH3COO)3 + 3 H2O
CO(HO)3 + NaCO3 = CO2(CO3) + NaOH =>
CO(HO)3 + 3 NaCO3 = 2 CO2(CO3) + 3 NaOH
InBr3 = In + Br =>
InBr3 = In + 3 Br
ZnO + H2O = Zn(OH)2 =>
ZnO + H2O = Zn(OH)2
NaNO3 + NH4Cl = ClNO3 + NH4Na =>
NaNO3 + NH4Cl = ClNO3 + NH4Na
Fe2O3 + C3H8 = Fe + C + H2O =>
4 Fe2O3 + 3 C3H8 = 8 Fe + 9 C + 12 H2O
Zn2Cl2 + Na2S = Zn2S2 + Na2Cl =>
Zn2Cl2 + 2 Na2S = Zn2S2 + 2 Na2Cl
C6H3N3O + O2 = CO2 + H2N2 =>
2 C6H3N3O + 11 O2 = 12 CO2 + 3 H2N2
SnCl2 + I2 = SnI4 + SnCl4 =>
2 SnCl2 + 2 I2 = SnI4 + SnCl4
AlNO3 + CaOH2 = AlOH2 + CaNO3 =>
AlNO3 + CaOH2 = AlOH2 + CaNO3
Na2O2 + H4SiO4 = Na4SiO4 + H2O2 =>
2 Na2O2 + H4SiO4 = Na4SiO4 + 2 H2O2
H2 + NO + HNO3 = HNO2 =>
H2 + 2 NO + 2 HNO3 = 4 HNO2
K + Fe + [Fe(CN)6] = KFe[Fe(CN)6] =>
K + Fe + [Fe(CN)6] = KFe[Fe(CN)6]
Mg(NO3)2 + C3H6O2 = Mg(C3H5O2)2 + HNO3 =>
Mg(NO3)2 + 2 C3H6O2 = Mg(C3H5O2)2 + 2 HNO3
CS2 + Cl2 = CCl4S2 =>
CS2 + 2 Cl2 = CCl4S2
C57H104O6 + C6H10 = C38H110O6 + C6H6 =>
12 C57H104O6 + 75 C6H10 = 12 C38H110O6 + 113 C6H6
Cu2S + Ga2O3 = Cu + O2 + Ga2S3 =>
6 Cu2S + 2 Ga2O3 = 12 Cu + 3 O2 + 2 Ga2S3
NaCl + BeO = BeCl2 + Na2O =>
2 NaCl + BeO = BeCl2 + Na2O
Na2ZnCl4 + KCl = NaCl + KZn + Cl =>
Na2ZnCl4 + KCl = 2 NaCl + KZn + 3 Cl
C57H110O6 + H2O2 = C57H112O8 =>
C57H110O6 + H2O2 = C57H112O8
HNO3 + CuS = NO2 + Cu(NO3)2 + SO2 + H2O =>
8 HNO3 + CuS = 6 NO2 + Cu(NO3)2 + SO2 + 4 H2O
C4H8 + H2O + KMnO4 = KOH + MnO2 + C4H10O2 =>
3 C4H8 + 4 H2O + 2 KMnO4 = 2 KOH + 2 MnO2 + 3 C4H10O2
Fr2Cr2O7 + NiBr2 + HBr = CrBr + NiBr3 + FrBr + H2O =>
Fr2Cr2O7 + 10 NiBr2 + 14 HBr = 2 CrBr + 10 NiBr3 + 2 FrBr + 7 H2O
SrCO3 + HI = SrI2 + H2CO3 =>
SrCO3 + 2 HI = SrI2 + H2CO3
NaBr + Mn(NO3)2 = Na(NO3) + MnBr2 =>
2 NaBr + Mn(NO3)2 = 2 Na(NO3) + MnBr2
Cs(l) + KCl(l) = CsCl(l) + K(g) =>
Cs(l) + KCl(l) = CsCl(l) + K(g)
O + C18H18 = CO + H2O =>
27 O + C18H18 = 18 CO + 9 H2O
Na2SO3 + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + Na2SO4 + H2O + K2SO4 =>
3 Na2SO3 + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + 3 Na2SO4 + 4 H2O + K2SO4
HI + K2O = HK2O + I =>
HI + K2O = HK2O + I
H2 + Cu(OH)2 = CuH2 + H2O =>
2 H2 + Cu(OH)2 = CuH2 + 2 H2O
KBr + HClO3 + HCl = KClO3 + ClBr + H2 =>
KBr + HClO3 + HCl = KClO3 + ClBr + H2
KMnO4 + C6H12O6 = CO2 + MnO + K2CO3 + H2O =>
24 KMnO4 + 5 C6H12O6 = 18 CO2 + 24 MnO + 12 K2CO3 + 30 H2O
CH3CH2OSO3Na + NaNO2 = CH3CH2NOO + Na2SO4 =>
CH3CH2OSO3Na + NaNO2 = CH3CH2NOO + Na2SO4
KI + O2 + H2SO4 = K2SO4 + I2 + H2O =>
4 KI + O2 + 2 H2SO4 = 2 K2SO4 + 2 I2 + 2 H2O
Na6 + Al2O3 = Na2O + Al =>
Na6 + Al2O3 = 3 Na2O + 2 Al
CaCl2(s) + K2Co3(s) = KCl(aq) + CaCo3(s) =>
CaCl2(s) + K2Co3(s) = 2 KCl(aq) + CaCo3(s)
CaC + H2O + CO2 = CH2CHO2H + Ca(OH)2 =>
4 CaC + 10 H2O + 2 CO2 = 3 CH2CHO2H + 4 Ca(OH)2
Si + HF = SiF4 + H2 =>
Si + 4 HF = SiF4 + 2 H2
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Équations équilibrées sur12/20/24
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