| Équations équilibrées la veille |
2 HO2 = 3 O + H2O
NiF2 + NH3 = Ni + NH4F + N2 =>
3 NiF2 + 8 NH3 = 3 Ni + 6 NH4F + N2
P4 + WO3 = WP2O7 + WP =>
5 P4 + 14 WO3 = 6 WP2O7 + 8 WP
C7H5N3O6 = CO + N2 + H2O + C =>
2 C7H5N3O6 = 7 CO + 3 N2 + 5 H2O + 7 C
H2CrO3 + Zn(OH) = Zn2(CrO3) + H2O =>
H2CrO3 + 2 Zn(OH) = Zn2(CrO3) + 2 H2O
H2SiF6 + CaCO3 = CaF2 + SiO2H2O + CO2 =>
H2SiF6 + 3 CaCO3 = 3 CaF2 + SiO2H2O + 3 CO2
NH2CH2COOH + O2 = CO2 + H2O + NO2 =>
4 NH2CH2COOH + 13 O2 = 8 CO2 + 10 H2O + 4 NO2
P4S3 + H2O + HNO3 = H3PO4 + H2SO4 + NO =>
3 P4S3 + 8 H2O + 38 HNO3 = 12 H3PO4 + 9 H2SO4 + 38 NO
Ca(OH)2 + Al2(SO4)3 = CaSO4 + Al(OH)3 =>
3 Ca(OH)2 + Al2(SO4)3 = 3 CaSO4 + 2 Al(OH)3
CaC2 + H2O + CO2 = Ca(OH)2 + CH2CHCOOH =>
6 CaC2 + 16 H2O + 3 CO2 = 6 Ca(OH)2 + 5 CH2CHCOOH
Na4SiO4 + HCl = H4SiO4 + NaCl =>
Na4SiO4 + 4 HCl = H4SiO4 + 4 NaCl
HCl + PbO2 = PbCl + Cl + H2O =>
4 HCl + PbO2 = PbCl + 3 Cl + 2 H2O
H2SO4 + KI + KIO3 = I2 + K2SO4 + H2O =>
3 H2SO4 + 5 KI + KIO3 = 3 I2 + 3 K2SO4 + 3 H2O
MnO2 + HBr + OH{-} = MnBr2{-} + Br2{-} + H2O =>
MnO2 + 8 HBr + 4 OH{-} = MnBr2{-} + 3 Br2{-} + 6 H2O
Ni2C2O4*2H2O + O2 = NiO + H2O + CO2 =>
Ni2C2O4*2H2O + O2 = 2 NiO + 2 H2O + 2 CO2
Ca(s)Br2(l) = CaBr2(s) =>
Ca(s)Br2(l) = CaBr2(s)
HNO3 + CaC2 = Ca(NO3)2 + NO2 + CO2 + H2O =>
12 HNO3 + CaC2 = Ca(NO3)2 + 10 NO2 + 2 CO2 + 6 H2O
LiClNaF = LiFNaCl =>
LiClNaF = LiFNaCl
Ba(HCO3)2 = BaCO3 + CO2 + H2O =>
Ba(HCO3)2 = BaCO3 + CO2 + H2O
KMnO4 + HI = KI + I2 + MnI2 + H2O =>
2 KMnO4 + 16 HI = 2 KI + 5 I2 + 2 MnI2 + 8 H2O
C6CO2CH3COOH + H2O = C6CO2CH3COO + H3O =>
C6CO2CH3COOH + H2O = C6CO2CH3COO + H3O
KMnO4 + HI = KOH + MnO2 + H2O + I2 =>
2 KMnO4 + 6 HI = 2 KOH + 2 MnO2 + 2 H2O + 3 I2
CaO + HCl = CaCl2 + H2O =>
CaO + 2 HCl = CaCl2 + H2O
SiMg2 + [NH4]Br = SiH4 + MgBr2 + NH3 =>
SiMg2 + 4[NH4]Br = SiH4 + 2 MgBr2 + 4 NH3
CH4 + HBr = CH3Br + H2 =>
CH4 + HBr = CH3Br + H2
K20 + HNO3 = KNO3 + H2 =>
K20 + 20 HNO3 = 20 KNO3 + 10 H2
NaOHPbO = NaOPbOH =>
NaOHPbO = NaOPbOH
MgCl2 + SO2 + H2O = MgSO3 + HCl =>
MgCl2 + SO2 + H2O = MgSO3 + 2 HCl
MnSO4 + (NH4)2S2O8 + H2O = MnO2 + H2SO4 + (NH4)2SO4 =>
MnSO4 + (NH4)2S2O8 + 2 H2O = MnO2 + 2 H2SO4 + (NH4)2SO4
OH + H3PO4 = H2O + H2PO4 =>
OH + H3PO4 = H2O + H2PO4
Cr + (OH)2 + HN = CrN + H2O =>
2 Cr + (OH)2 + 2 HN = 2 CrN + 2 H2O
NH4NCS + AgNO3 = NH4NO3 + AgNCS =>
NH4NCS + AgNO3 = NH4NO3 + AgNCS
HF + Al(OH)3 + NaOH = Na3AlF6 + H2O =>
6 HF + Al(OH)3 + 3 NaOH = Na3AlF6 + 6 H2O
KI + KMnO4 + H2O = MnO2 + KIO3 + KOH =>
KI + 2 KMnO4 + H2O = 2 MnO2 + KIO3 + 2 KOH
MgCl2 + SO2 + H2O = MgSO3 + HCl =>
MgCl2 + SO2 + H2O = MgSO3 + 2 HCl
HCl + NaClO2 = Cl02 + H2O + NaCl =>
4 HCl + NaClO2 = 2 Cl02 + 2 H2O + NaCl
Zn + H2SO4 = ZnSO4 + H2S + H2O* =>
4 Zn + 5 H2SO4 = 4 ZnSO4 + H2S + 4 H2O*
Hg2(NO3)2 + NH3 = HgN2H2O3 + Hg + OH =>
7 Hg2(NO3)2 + 10 NH3 = 12 HgN2H2O3 + 2 Hg + 6 OH
Cr(IO)6 + Bi3As5 = CrAs2 + Bi(IO)5 =>
5 Cr(IO)6 + 2 Bi3As5 = 5 CrAs2 + 6 Bi(IO)5
LiF + Ag2SO4 = Li2SO4 + AgF =>
2 LiF + Ag2SO4 = Li2SO4 + 2 AgF
H3AsO4 + H2S = As2S3 + S + H3O =>
2 H3AsO4 + 9 H2S = As2S3 + 6 S + 8 H3O
Cu3(PO4)2 + Al = AlP + Cu + Al2O3 =>
3 Cu3(PO4)2 + 22 Al = 6 AlP + 9 Cu + 8 Al2O3
NaI + MnO2 + HCl = NaCl + MnCl + H2O + I2 =>
6 NaI + 2 MnO2 + 8 HCl = 6 NaCl + 2 MnCl + 4 H2O + 3 I2
ZnOHClHCl = ZnCl2H2O =>
ZnOHClHCl = ZnCl2H2O
SiMg2 + [NH4]Br = SiH4 + MgBr2 + NH3 =>
SiMg2 + 4[NH4]Br = SiH4 + 2 MgBr2 + 4 NH3
Al2O3 + HCl = AlCl3(s) + H2O =>
Al2O3 + 6 HCl = 2 AlCl3(s) + 3 H2O
K2ZnO2 + H2SO4 = K2SO4 + ZnSO4 + H2O =>
K2ZnO2 + 2 H2SO4 = K2SO4 + ZnSO4 + 2 H2O
ZnO + NaCl = ZnCl + NaO =>
ZnO + NaCl = ZnCl + NaO
KMnO4 + HI = KOH + MnO2 + H2O + I2 =>
2 KMnO4 + 6 HI = 2 KOH + 2 MnO2 + 2 H2O + 3 I2
KMnO4 + HI = KI + I2 + MnI2 + H2O =>
2 KMnO4 + 16 HI = 2 KI + 5 I2 + 2 MnI2 + 8 H2O
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