| Équations équilibrées la veille |
2 KI + 2 HNO3 + H2SO4 = 2 NO2 + I2 + 2 H2O + K2SO4
CH2(OH)CH2(OH) + HCl = CH2(Cl)CH2(Cl) + H2O =>
CH2(OH)CH2(OH) + 2 HCl = CH2(Cl)CH2(Cl) + 2 H2O
Pb + HNO2 = Pb(NO2)3 + NO + H2O =>
Pb + 6 HNO2 = Pb(NO2)3 + 3 NO + 3 H2O
K2MnO4 + KClO3 + H2SO4 = KMnO4 + KCl + H2O + K2SO4 =>
6 K2MnO4 + KClO3 + 3 H2SO4 = 6 KMnO4 + KCl + 3 H2O + 3 K2SO4
C8H8(g) + O2(g) = CO2(g) + H2O =>
C8H8(g) + 10 O2(g) = 8 CO2(g) + 4 H2O
KNO3 + CuSO4 = KNSO4 + CuO3 =>
KNO3 + CuSO4 = KNSO4 + CuO3
HBr + Ag2CO3 = CO2 + H2O + AgBr =>
2 HBr + Ag2CO3 = CO2 + H2O + 2 AgBr
H3PO4 + NH3 = (NH4)3PO4 =>
H3PO4 + 3 NH3 = (NH4)3PO4
Na3Al(OH)6 + CO2 = Na2CO3 + Al(OH)3 + H2O =>
2 Na3Al(OH)6 + 3 CO2 = 3 Na2CO3 + 2 Al(OH)3 + 3 H2O
NaCNS + AgCNS = Na3[Ag(CNS)4] =>
3 NaCNS + AgCNS = Na3[Ag(CNS)4]
H = H8 =>
8 H = H8
Fe203 + H2SO4 = Fe2(SO4)3 + SO2 + H2O =>
2 Fe203 + 1218 H2SO4 = 203 Fe2(SO4)3 + 609 SO2 + 1218 H2O
CH4(g) + O2(g) = CH2O(g) + H2(g) =>
2 CH4(g) + O2(g) = 2 CH2O(g) + 2 H2(g)
CHCCH3 + KMnO4 + H2O = CHOHCOHCH3 + KOH + MnO2 =>
3 CHCCH3 + 2 KMnO4 + 4 H2O = 3 CHOHCOHCH3 + 2 KOH + 2 MnO2
V2O5 + NaOH + H2O = Na[V(OH)6] =>
V2O5 + 2 NaOH + 5 H2O = 2 Na[V(OH)6]
Fe2S3 + H2O + O2 = Fe(OH)3 + S =>
2 Fe2S3 + 6 H2O + 3 O2 = 4 Fe(OH)3 + 6 S
HCl + Pb = HClPb =>
HCl + Pb = HClPb
KOH + H3[Fe(CN)6] = K3[Fe(CN)6] + H2O =>
3 KOH + H3[Fe(CN)6] = K3[Fe(CN)6] + 3 H2O
C2H5OH + H2O = C2H5OH(H2O) =>
C2H5OH + H2O = C2H5OH(H2O)
Cr2(SO4)3 + H2O2 + NaOH = Na2CrO4 + H2O + Na2SO4 =>
Cr2(SO4)3 + 3 H2O2 + 10 NaOH = 2 Na2CrO4 + 8 H2O + 3 Na2SO4
CH3NH2 + HNO3 = CH3NH3NO3 =>
CH3NH2 + HNO3 = CH3NH3NO3
(NH4)3PO4 + Mg(OH)2 = NH3 + Mg3(PO4)2 + H2O =>
2(NH4)3PO4 + 3 Mg(OH)2 = 6 NH3 + Mg3(PO4)2 + 6 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
AgNO3 + ClO = AgClO + NO3 =>
AgNO3 + ClO = AgClO + NO3
Fe{3+} + SCN{-} = Fe2(SCN)6 =>
2 Fe{3+} + 6 SCN{-} = Fe2(SCN)6
Zn(s) + O2(g) = ZnO2(s) =>
Zn(s) + O2(g) = ZnO2(s)
Mg2Si + HCl = MgCl2 + SiH4 =>
Mg2Si + 4 HCl = 2 MgCl2 + SiH4
H2O + CO4 = HO + CO =>
3 H2O + CO4 = 6 HO + CO
NaSO4BaCl2 = NaCl2BaSO4 =>
NaSO4BaCl2 = NaCl2BaSO4
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Li + H2 = Li3H =>
6 Li + H2 = 2 Li3H
CuS + HCl = CuCl2 + H2S =>
CuS + 2 HCl = CuCl2 + H2S
ZnOHCl(ac) = ZnClHO =>
ZnOHCl(ac) = ZnClHO
KClO3 + KCrO2 + NaOH = K2CrO4 + Na2CrO4 + KCl + H2O =>
KClO3 + 2 KCrO2 + 2 NaOH = K2CrO4 + Na2CrO4 + KCl + H2O
Cl2 + K2SO4 = K2Cl2SO4 =>
Cl2 + K2SO4 = K2Cl2SO4
HCl + KOH = KCl + H2O =>
HCl + KOH = KCl + H2O
HCe + CrO3 = Ce2 + CrCe3 + H2O =>
12 HCe + 2 CrO3 = 3 Ce2 + 2 CrCe3 + 6 H2O
C6H5CHO + MnO4 = C6H5COO + MnO2 + H2O =>
4 C6H5CHO + 3 MnO4 = 4 C6H5COO + 3 MnO2 + 2 H2O
CH2O + Ag(NH3)2OH = CO2 + NH3 + Ag + H2O =>
CH2O + 4 Ag(NH3)2OH = CO2 + 8 NH3 + 4 Ag + 3 H2O
ZnCl2 + Cr = ZnCr + Cl2 =>
ZnCl2 + Cr = ZnCr + Cl2
Ba + Pb(NO3)2 = Pb2 + Ba(NO3) =>
4 Ba + 2 Pb(NO3)2 = Pb2 + 4 Ba(NO3)
Mn(NO3)2 + NaClO + H2O = MnO2 + NaCl + HNO3 =>
Mn(NO3)2 + NaClO + H2O = MnO2 + NaCl + 2 HNO3
Mg + Fe2O3 = MgO + Fe =>
3 Mg + Fe2O3 = 3 MgO + 2 Fe
Na2S2O3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S2O3 + 4 Br2 + 10 NaOH = 8 NaBr + 2 Na2SO4 + 5 H2O
H2CO3 + K2SiO3 = K2CO3 + H2SiO3 =>
H2CO3 + K2SiO3 = K2CO3 + H2SiO3
HCH3COO + NaHCO3 = Na + HCH3COO(HCO3) =>
HCH3COO + NaHCO3 = Na + HCH3COO(HCO3)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Li + H = LiH =>
Li + H = LiH
KFLiCl = KLiClF =>
KFLiCl = KLiClF
Ti2(SO4)3 + HCl = TiCl3 + H2SO4 =>
Ti2(SO4)3 + 6 HCl = 2 TiCl3 + 3 H2SO4
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