| Équations équilibrées la veille |
3 HNO3 + Bi(OH)3 = Bi(NO3)3 + 3 H2O
K(NO3) + C + S = N2 + CO2 + K2S =>
2 K(NO3) + 3 C + S = N2 + 3 CO2 + K2S
V3(PO3)5 + Au(NO2)4 = V(NO2)5 + Au3(PO3)4 =>
4 V3(PO3)5 + 15 Au(NO2)4 = 12 V(NO2)5 + 5 Au3(PO3)4
NiS + NaOH + H2O2 = Ni(OH)2 + Na2SO4 + H2O =>
NiS + 2 NaOH + 4 H2O2 = Ni(OH)2 + Na2SO4 + 4 H2O
CHO + O2 = CO2 + H2O =>
4 CHO + 3 O2 = 4 CO2 + 2 H2O
HCOOH + H2O = HCOO{-} + H3O{+} =>
HCOOH + H2O = HCOO{-} + H3O{+}
Mg + Cr = MgCr =>
Mg + Cr = MgCr
Ni2O3 + Cl2O7 = Ni(ClO4)3 =>
Ni2O3 + 3 Cl2O7 = 2 Ni(ClO4)3
KNO3(aq) + NiCl2(aq) = KCl(aq) + Ni(NO3)2(aq) =>
2 KNO3(aq) + NiCl2(aq) = 2 KCl(aq) + Ni(NO3)2(aq)
C6H5CH2CH3 + KMnO4 + H2O = C6H5CH2CH2OH + KOH + MnO2 =>
3 C6H5CH2CH3 + 2 KMnO4 + H2O = 3 C6H5CH2CH2OH + 2 KOH + 2 MnO2
Cu + HNO3 = Cu(NO3)2 + NO + H2O =>
3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
KBrO3 + H3AsO3 + KOH = K3AsO4 + KBr + H2O =>
KBrO3 + 3 H3AsO3 + 9 KOH = 3 K3AsO4 + KBr + 9 H2O
NaCl + H2O = NaOH + Cl2 + H2 =>
2 NaCl + 2 H2O = 2 NaOH + Cl2 + H2
NaHCO3 + C6H5O7H3 = Na3C6H5O7 + CO2 + H2O =>
3 NaHCO3 + C6H5O7H3 = Na3C6H5O7 + 3 CO2 + 3 H2O
Mg(OH)2 + K2CrO4 = MgCrO4 + KOH =>
Mg(OH)2 + K2CrO4 = MgCrO4 + 2 KOH
Ba(MnO7)2 = BaMnO4 + MnO4 + O2 =>
Ba(MnO7)2 = BaMnO4 + MnO4 + 3 O2
Fe1 + H2O = Fe3O4 + H2 =>
3 Fe1 + 4 H2O = Fe3O4 + 4 H2
Na2S + HCl = NaCl + H2 + S =>
Na2S + 2 HCl = 2 NaCl + H2 + S
H + SiO = HSiO =>
H + SiO = HSiO
Pb + Na3AsO4 = Pb3(AsO4)2 + Na =>
3 Pb + 2 Na3AsO4 = Pb3(AsO4)2 + 6 Na
ZnNO3 + AgCl = ZnCl2 + Ag2NO3 =>
ZnNO3 + 2 AgCl = ZnCl2 + Ag2NO3
Na2Cr2O7 + HCl = NaCl + Cl2 + CrCl3 + H2O =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 3 Cl2 + 2 CrCl3 + 7 H2O
BaCl2O4 + H2O = HClO2 + Ba(OH)2 =>
BaCl2O4 + 2 H2O = 2 HClO2 + Ba(OH)2
KNO3 = KNO2 + O2 =>
2 KNO3 = 2 KNO2 + O2
COCH4 + O2 = CO2 + H2O =>
2 COCH4 + 5 O2 = 4 CO2 + 4 H2O
TiCl3 + NaOH = Ti2O3 + H2O + NaCl =>
2 TiCl3 + 6 NaOH = Ti2O3 + 3 H2O + 6 NaCl
Pb(BrO3)2 = PbO + BrO2 + O2 =>
2 Pb(BrO3)2 = 2 PbO + 4 BrO2 + O2
CH3CH2CH2CH3 = (CH3)2CHCH3 =>
CH3CH2CH2CH3 = (CH3)2CHCH3
POF3 = P4 + O2 + F2 =>
4 POF3 = P4 + 2 O2 + 6 F2
Cu + Fe(NO3)3 = Cu(NO3) + Fe =>
3 Cu + Fe(NO3)3 = 3 Cu(NO3) + Fe
As2O3 + KIO3 + H2O = As2O5 + I2 + KOH =>
5 As2O3 + 4 KIO3 + 2 H2O = 5 As2O5 + 2 I2 + 4 KOH
K2CO3 + WBr6 = KBr + W(CO3)3 =>
3 K2CO3 + WBr6 = 6 KBr + W(CO3)3
H2SO4 + Na2[Cu(OH)4] = CuSO4 + Na2SO4 + H2O =>
2 H2SO4 + Na2[Cu(OH)4] = CuSO4 + Na2SO4 + 4 H2O
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Cd + H2SO4 = Cd2SO4 + H =>
2 Cd + H2SO4 = Cd2SO4 + 2 H
Ca + HNO3 = CaO + H2O + NO2 =>
Ca + 2 HNO3 = CaO + H2O + 2 NO2
Ca3(PO4)2 + Si(O) + C = CaSiO3 + P4 + CO =>
2 Ca3(PO4)2 + 6 Si(O) + 4 C = 6 CaSiO3 + P4 + 4 CO
SnCl4 + Fe4Cl2 = SnCl2 + FeCl3 =>
5 SnCl4 + Fe4Cl2 = 5 SnCl2 + 4 FeCl3
FeCl3 + KSCN + HCl = Fe(SCN)3 + KCl2 + H =>
FeCl3 + 3 KSCN + 3 HCl = Fe(SCN)3 + 3 KCl2 + 3 H
Pb(NO3)2 = Pb3O4 + O2 + NO2 =>
3 Pb(NO3)2 = Pb3O4 + O2 + 6 NO2
SIO3 + HF = SIF6 + H2O =>
SIO3 + 6 HF = SIF6 + 3 H2O
Fe2(SO4)3 + NH4CNS = (NH4)2SO4 + Fe(SCN)3 =>
Fe2(SO4)3 + 6 NH4CNS = 3(NH4)2SO4 + 2 Fe(SCN)3
KMnO4 + KCl + H2SO4 = MnSO4 + KHSO4 + Cl2 + H2O =>
2 KMnO4 + 10 KCl + 14 H2SO4 = 2 MnSO4 + 12 KHSO4 + 5 Cl2 + 8 H2O
propene + hydrogen = C3H8 =>
CH3CHCH2 + H2 = C3H8
CaHPO4 + SiO2 + C = CaSiO3 + P + CO + H2O =>
2 CaHPO4 + 2 SiO2 + 5 C = 2 CaSiO3 + 2 P + 5 CO + H2O
CaCl2 + Hg = HgCl2 + Ca =>
CaCl2 + Hg = HgCl2 + Ca
C5H10O2 + O2 = CO2 + H2O =>
2 C5H10O2 + 13 O2 = 10 CO2 + 10 H2O
Fe + N + O = Fe(NO3)2 =>
Fe + 2 N + 6 O = Fe(NO3)2
Fe2(SO4)3 + NH4CNS = (NH4)2SO4 + Fe(CNS)3 =>
Fe2(SO4)3 + 6 NH4CNS = 3(NH4)2SO4 + 2 Fe(CNS)3
Mg2Si + NaOH + H2O = Mg(OH)2 + NaSiO3 + H2 =>
2 Mg2Si + 2 NaOH + 12 H2O = 4 Mg(OH)2 + 2 NaSiO3 + 9 H2
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