| Équations équilibrées la veille |
2 NaBr + NaOCl + 2 HCl = Br2 + 3 NaCl + H2O
C10H5O + C2H5I = I2 + H5O + C2H4 =>
C10H5O + 20 C2H5I = 10 I2 + H5O + 25 C2H4
K(aq) + Br(aq) = KBr(aq) =>
K(aq) + Br(aq) = KBr(aq)
CO2 + S8 = CS3 + SO2 =>
2 CO2 + S8 = 2 CS3 + 2 SO2
MnO2 + K2CO3 + KNO3 = K2MnO4 + KNO2 + CO2 =>
MnO2 + K2CO3 + KNO3 = K2MnO4 + KNO2 + CO2
NaAuCl4 + Cu = CuCl2 + NaCl + Au =>
2 NaAuCl4 + 3 Cu = 3 CuCl2 + 2 NaCl + 2 Au
Pb(NO3)2 + Fe2(SO4)3 = Fe(NO3)3 + PbSO4 =>
3 Pb(NO3)2 + Fe2(SO4)3 = 2 Fe(NO3)3 + 3 PbSO4
CH3COOH + Na2CO3 = CH3COOCNa + CO2 + H2O =>
3 CH3COOH + Na2CO3 = 2 CH3COOCNa + CO2 + 3 H2O
Fe(ClO4) = Fe + ClO4 =>
Fe(ClO4) = Fe + ClO4
CuSO4(H2O)3 + H2O = CuSO4(H2O)5 =>
CuSO4(H2O)3 + 2 H2O = CuSO4(H2O)5
Cr + Pb(NO3)2 = Pb + Cr(NO3) =>
2 Cr + Pb(NO3)2 = Pb + 2 Cr(NO3)
S + F2 = S8F6 =>
8 S + 3 F2 = S8F6
H2SO4 + KMnO4 + KI = MnSO4 + K2SO4 + I2 + H2O =>
8 H2SO4 + 2 KMnO4 + 10 KI = 2 MnSO4 + 6 K2SO4 + 5 I2 + 8 H2O
H2SO4 + Mn(OH)3 = Mn2(SO4)3 + H2O =>
3 H2SO4 + 2 Mn(OH)3 = Mn2(SO4)3 + 6 H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
C11H23CH2OSO3H + NaOH = C11H23CH2OSO3Na + H2O =>
C11H23CH2OSO3H + NaOH = C11H23CH2OSO3Na + H2O
NH4 + HBr = NH4Br + H2 =>
2 NH4 + 2 HBr = 2 NH4Br + H2
K3[Fe(CN)6] + Fe = Fe[Fe(CN)6] + K3 =>
K3[Fe(CN)6] + Fe = Fe[Fe(CN)6] + K3
Rb2SO3 = Rb + SO3 =>
Rb2SO3 = 2 Rb + SO3
HCCH + O2 = CO2 + H2O =>
2 HCCH + 5 O2 = 4 CO2 + 2 H2O
CuHCl = CuCl + H =>
CuHCl = CuCl + H
CH3OONa + NaOH = Na2CO3 + H2 =>
CH3OONa + NaOH = Na2CO3 + 2 H2
Al2O3 + NaOH = NaAlO2 + H2O =>
Al2O3 + 2 NaOH = 2 NaAlO2 + H2O
Cr(OH)4{-} + H2O2 + OH{-} = CrO4{2-} + H2O =>
2 Cr(OH)4{-} + 3 H2O2 + 2 OH{-} = 2 CrO4{2-} + 8 H2O
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
C13H18(OH)2 + O2 = CO2 + H2O =>
C13H18(OH)2 + 17 O2 = 13 CO2 + 10 H2O
CaCl2(aq) + NaNO3(aq) = Ca(NO3)2 + NaCl =>
CaCl2(aq) + 2 NaNO3(aq) = Ca(NO3)2 + 2 NaCl
Ca + H(OH) = H2 + Ca(OH)2 =>
Ca + 2 H(OH) = H2 + Ca(OH)2
C2H5COOH + NH3 = (C2H5COO)NH3 + H2 =>
2 C2H5COOH + 2 NH3 = 2(C2H5COO)NH3 + H2
Ca10(PO4)6F2 + H3PO4 + H2O = Ca3(PO4)2H2O + HF =>
3 Ca10(PO4)6F2 + 2 H3PO4 + 10 H2O = 10 Ca3(PO4)2H2O + 6 HF
N(NH4)3 + Ba(OH)2 = N(OH)3 + Ba(NH4)2 =>
2 N(NH4)3 + 3 Ba(OH)2 = 2 N(OH)3 + 3 Ba(NH4)2
N2 + O2 = N2O =>
2 N2 + O2 = 2 N2O
K2O + SeO3 = K2SeO4 =>
K2O + SeO3 = K2SeO4
Na2S + Cd(SO4) = Na2(SO4) + S2Cd2 =>
2 Na2S + 2 Cd(SO4) = 2 Na2(SO4) + S2Cd2
CUS + HNO3 = CU(NO3)2 + NO2 + S + H2O =>
CUS + 4 HNO3 = CU(NO3)2 + 2 NO2 + S + 2 H2O
FeTiO3 + C + Cl2 = FeCl3 + TiCl4 + CO2 =>
2 FeTiO3 + 3 C + 7 Cl2 = 2 FeCl3 + 2 TiCl4 + 3 CO2
Al(s) + HCl(l) = AlCl + H =>
Al(s) + HCl(l) = AlCl + H
Na + NaNO3 = Na2O + N2 =>
10 Na + 2 NaNO3 = 6 Na2O + N2
FeCl3 + CuSO4 = CuCl3 + FeSO4 =>
FeCl3 + CuSO4 = CuCl3 + FeSO4
VI5 + F2 = VF5 + I2 =>
2 VI5 + 5 F2 = 2 VF5 + 5 I2
Al(s) + FeO(s) = Fe(s) + Al2O3(s) =>
2 Al(s) + 3 FeO(s) = 3 Fe(s) + Al2O3(s)
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
NaOH + Ca(OH)2 + C + ClO2 = NaClO2 + CaCO4 + H2O =>
6 NaOH + Ca(OH)2 + C + 6 ClO2 = 6 NaClO2 + CaCO4 + 4 H2O
K + HNO3 = KNO3 + N2 + H2O =>
10 K + 12 HNO3 = 10 KNO3 + N2 + 6 H2O
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
CrO3 + SO4 = Cr2S3 + O2 =>
2 CrO3 + 3 SO4 = Cr2S3 + 9 O2
C6H5CH3 + KMnO4 + H2SO4 = C6H5COOH + MnSO4 + K2SO4 + H2O =>
5 C6H5CH3 + 6 KMnO4 + 9 H2SO4 = 5 C6H5COOH + 6 MnSO4 + 3 K2SO4 + 14 H2O
enxofre + ozônio = dióxidodeenxofre =>
3 S + 2 O3 = 3 SO2
B(No3)3 + H2O = B2O3 + HNo3 =>
2 B(No3)3 + 3 H2O = B2O3 + 6 HNo3
Ag2S = Ag + S8 =>
8 Ag2S = 16 Ag + S8
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