| Équations équilibrées la veille |
2 KMnO4 + Zn = Zn(MnO4)2 + 2 K
Ba(NO3)2 + NH2SO4H + H2O = BaSO4 + NH4NO3 + HNO3 =>
4 Ba(NO3)2 + 4 NH2SO4H + 3 H2O = 4 BaSO4 + 3 NH4NO3 + 6 HNO3
ZnO + Al2O3 = Al2(ZnO2)3 =>
3 ZnO + Al2O3 = Al2(ZnO2)3
Zn + K3Fe(CN)6 = K3Zn(CN)6 + Fe =>
Zn + K3Fe(CN)6 = K3Zn(CN)6 + Fe
CH2BrCOOH + NH3 = CH2NH2COOH + HBr =>
CH2BrCOOH + NH3 = CH2NH2COOH + HBr
NO2 + SO3 = SO4 + N2O =>
2 NO2 + 3 SO3 = 3 SO4 + N2O
K4Fe(CN)6 + PbO2 + HCl = KCl + FeCl3 + PbCl2 + CO2 + HNO2 + H2O =>
2 K4Fe(CN)6 + 49 PbO2 + 112 HCl = 8 KCl + 2 FeCl3 + 49 PbCl2 + 12 CO2 + 12 HNO2 + 50 H2O
Fe(oh)3 + H2O2 = Fe(OH)3 =>
2 Fe(oh)3 + 9 H2O2 = 6 Fe(OH)3
Na2CO3 + CH3COO = NaCH3COO + H2O + CO2 =>
7 Na2CO3 + 16 CH3COO = 14 NaCH3COO + 3 H2O + 11 CO2
Ca(CH3COO)2 + H2CO3 = CaCO3 + CH3COOH =>
Ca(CH3COO)2 + H2CO3 = CaCO3 + 2 CH3COOH
Na2O + NaCl = Na3OCl =>
Na2O + NaCl = Na3OCl
P + IO3{-} + OH{-} = HPO3{-2} + I2 + H2O =>
10 P + 6 IO3{-} + 14 OH{-} = 10 HPO3{-2} + 3 I2 + 2 H2O
HN3 + NO = H2O2 + N2 =>
2 HN3 + 2 NO = H2O2 + 4 N2
C15H31COOH + Na2CO3 = C15H31COONa + CO2 + H2O =>
2 C15H31COOH + Na2CO3 = 2 C15H31COONa + CO2 + H2O
Se(s) + O2(g) = SeO2 =>
Se(s) + O2(g) = SeO2
Au + HI = AuH + I =>
Au + HI = AuH + I
CH3OH + Cu(OH)2 = CH2O + Cu2O + H2O =>
CH3OH + 2 Cu(OH)2 = CH2O + Cu2O + 3 H2O
Fe(OH)2 + Al2(SO4)3 = Fe(SO4) + Al(OH)3 =>
3 Fe(OH)2 + Al2(SO4)3 = 3 Fe(SO4) + 2 Al(OH)3
Cu(NO3)2 + Na2SO3 = CuSO3 + NaNO3 =>
Cu(NO3)2 + Na2SO3 = CuSO3 + 2 NaNO3
Br2 + HS2O3{-} + H2O = Br{-} + HSO4{-} + H{+} =>
4 Br2 + HS2O3{-} + 5 H2O = 8 Br{-} + 2 HSO4{-} + 9 H{+}
HNO + KI + HCl = I2 + N2 + KCl + H2O =>
2 HNO + 2 KI + 2 HCl = I2 + N2 + 2 KCl + 2 H2O
Ca(AlO2)2(s) + HCl(aq) = AlCl3(aq) + CaCl2(aq) + H2O =>
Ca(AlO2)2(s) + 8 HCl(aq) = 2 AlCl3(aq) + CaCl2(aq) + 4 H2O
NO2Br = Br + NO2 =>
NO2Br = Br + NO2
H2MnO4 + Cu(OH)2 = CuMnO4 + H2O =>
H2MnO4 + Cu(OH)2 = CuMnO4 + 2 H2O
NaHB4O7 + H2O = H3BO3 + NaOH =>
NaHB4O7 + 6 H2O = 4 H3BO3 + NaOH
Pb(NO3)2 + KSCN = Pb(SCN)2 + K(NO3) =>
Pb(NO3)2 + 2 KSCN = Pb(SCN)2 + 2 K(NO3)
Ag + Au3NO3 = AgNO3 + Au =>
Ag + Au3NO3 = AgNO3 + 3 Au
CrCl3 + Br2 + KOH = K2CrO4 + KBr + KCl + H2O =>
2 CrCl3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 6 KCl + 8 H2O
PbO2 + H2S = PbS2 + H2O =>
PbO2 + 2 H2S = PbS2 + 2 H2O
Fe + Cu = FeCu =>
Fe + Cu = FeCu
C5H10 + O3 = CO2 + H2O =>
C5H10 + 5 O3 = 5 CO2 + 5 H2O
C6H12N4 + O = CO2 + H2O + N2 =>
C6H12N4 + 18 O = 6 CO2 + 6 H2O + 2 N2
NaICl4 + NaOH = NaI + NaIO3 + H2O + NaCl =>
3 NaICl4 + 12 NaOH = NaI + 2 NaIO3 + 6 H2O + 12 NaCl
NaBr + O2 = Na2O + Br2 =>
4 NaBr + O2 = 2 Na2O + 2 Br2
C2H3O2 + Na2CO3 = NaC2H3O2 + CO2 + H2O =>
16 C2H3O2 + 7 Na2CO3 = 14 NaC2H3O2 + 11 CO2 + 3 H2O
CuSO4(aq) + NaHCO3(aq) = Cu(HCO3)2(s) + Na2SO4(aq) =>
CuSO4(aq) + 2 NaHCO3(aq) = Cu(HCO3)2(s) + Na2SO4(aq)
NaCl + N2 = Na3N + Cl2 =>
6 NaCl + N2 = 2 Na3N + 3 Cl2
SO2 + H2O + KIO3 = K2SO4 + H2SO4 + I2 =>
5 SO2 + 4 H2O + 2 KIO3 = K2SO4 + 4 H2SO4 + I2
MgCl2(aq) = Mg(s) + Cl2(g) =>
MgCl2(aq) = Mg(s) + Cl2(g)
KNO3 + C6H14O6 = CO2 + H2O + KNO2 =>
13 KNO3 + C6H14O6 = 6 CO2 + 7 H2O + 13 KNO2
Cu + HNO3(concentrate) = Cu(NO3)2 + H2O + NO =>
3 Cu + 8 HNO3(concentrate) = 3 Cu(NO3)2 + 4 H2O + 2 NO
Sb(OH)3 + HCl = SbCl3 + H2O =>
Sb(OH)3 + 3 HCl = SbCl3 + 3 H2O
Fe + Mg = Fe2Mg =>
2 Fe + Mg = Fe2Mg
BrCl + H2O = BrOH + HCl =>
BrCl + H2O = BrOH + HCl
FeSO4 + CH3COONa = Fe(CH3COO)2 + Na2SO4 =>
FeSO4 + 2 CH3COONa = Fe(CH3COO)2 + Na2SO4
CrI3 + H2O2 + OH{-} = CrO4{-2} + IO4{-} + H2O =>
2 CrI3 + 27 H2O2 + 10 OH{-} = 2 CrO4{-2} + 6 IO4{-} + 32 H2O
PH3 + CuO = P4O10 + Cu + H2O =>
4 PH3 + 16 CuO = P4O10 + 16 Cu + 6 H2O
CH3COOCOCH3 + H2O = CH3COOH =>
CH3COOCOCH3 + H2O = 2 CH3COOH
Ba(NO3)2 + Ca(NO3)2 = BaCa + (NO3)2 =>
Ba(NO3)2 + Ca(NO3)2 = BaCa + 2(NO3)2
CoSO4 + NaOH + Cl2 = Co(OH)3 + NaCl + Na2SO4 =>
2 CoSO4 + 6 NaOH + Cl2 = 2 Co(OH)3 + 2 NaCl + 2 Na2SO4
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Équations équilibrées sur10/27/24
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