| Équations équilibrées la veille |
2 C2H6(CH4)2 + 15 O2 = 8 CO2 + 14 H2O
HMnO4 + AsH2 + H2SO4 = H3AsO4 + MnSO4 + H2O =>
7 HMnO4 + 5 AsH2 + 7 H2SO4 = 5 H3AsO4 + 7 MnSO4 + 8 H2O
FeCl3 + NH4O4 = Fe2O + ClNH4 + O2 =>
4 FeCl3 + 12 NH4O4 = 2 Fe2O + 12 ClNH4 + 23 O2
PBr3 = P + Br2 =>
2 PBr3 = 2 P + 3 Br2
HC4H7O2 + LiOH = LiC4H7O2 + H2O =>
HC4H7O2 + LiOH = LiC4H7O2 + H2O
HNO3(r) + Ca = Ca(NO3)2 + NH4NO3 + H2O =>
10 HNO3(r) + 4 Ca = 4 Ca(NO3)2 + NH4NO3 + 3 H2O
NaVO3 + H2SO4 + C2H5OH = VOSO4 + NaOH + H2O + CH3CHO =>
2 NaVO3 + 2 H2SO4 + C2H5OH = 2 VOSO4 + 2 NaOH + 2 H2O + CH3CHO
Fe + H2O = Fe3O4 + H2 =>
3 Fe + 4 H2O = Fe3O4 + 4 H2
Sn + HgCl2 = SnCl2 + HgCl =>
Sn + 2 HgCl2 = SnCl2 + 2 HgCl
Pb + ZnS = PbS2 + Zn =>
Pb + 2 ZnS = PbS2 + 2 Zn
Mn + NH3 = MnN + H =>
Mn + NH3 = MnN + 3 H
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
FeCO3 + H2O = FeO + H2CO3 =>
FeCO3 + H2O = FeO + H2CO3
Ca3N2 + H2O = Ca(OH)2 + H3N =>
Ca3N2 + 6 H2O = 3 Ca(OH)2 + 2 H3N
Sr(OH) + Br = (SrOH)Br =>
Sr(OH) + Br = (SrOH)Br
KVO3 + H2S + HCl = VOCl2 + S + KCl + H2O =>
2 KVO3 + H2S + 6 HCl = 2 VOCl2 + S + 2 KCl + 4 H2O
MgO + Cl2O7 = MgCl2O8 =>
MgO + Cl2O7 = MgCl2O8
Y + O2 = Y2O =>
4 Y + O2 = 2 Y2O
Na2S + CO2 = Na2SO4 + C =>
Na2S + 2 CO2 = Na2SO4 + 2 C
MnO2 + HCl = MnCl2 + H2O + Cl02 =>
MnO2 + 4 HCl = MnCl2 + 2 H2O + Cl02
Mn + PbO2 + HNO3 = MnO4 + Pb(NO3)2 + H2 =>
Mn + 2 PbO2 + 4 HNO3 = MnO4 + 2 Pb(NO3)2 + 2 H2
Ca2Mg5Si8O22(OH)2 + CaMg(CO3)2 + CO2 + H2O = Mg3Si4O10(OH)2 + CaCO3 =>
Ca2Mg5Si8O22(OH)2 + CaMg(CO3)2 + CO2 + H2O = 2 Mg3Si4O10(OH)2 + 3 CaCO3
HNO3 + LiOH = HOH + LiNO3 =>
HNO3 + LiOH = HOH + LiNO3
ZnSO4(aq) + NH3(aq) = Zn(NH3)2(aq) + SO4 =>
ZnSO4(aq) + 2 NH3(aq) = Zn(NH3)2(aq) + SO4
K2MnO4 + O3 + H2O = KMnO4 + KOH =>
6 K2MnO4 + O3 + 3 H2O = 6 KMnO4 + 6 KOH
Na2CO3 + NaBr = Na2Br + NaCO3 =>
Na2CO3 + NaBr = Na2Br + NaCO3
C3H7OH + CH3CO2H = CH3CO2C3H7 + H2O =>
C3H7OH + CH3CO2H = CH3CO2C3H7 + H2O
(a)AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3(aq) =>
(a)AgNO3(aq) + NH4Br(aq) = AgBr(s) + NH4NO3(aq)
K2Cr2O7 + K2C2O4 + H2C2O4 = K3CrC2O4 + CO2 + H2O =>
K2Cr2O7 + 2 K2C2O4 + 7 H2C2O4 = 2 K3CrC2O4 + 14 CO2 + 7 H2O
OH{-} + F{-} = HF + O{2-} =>
OH{-} + F{-} = HF + O{2-}
CH3COOH + Cr = H2 + Cr(CH3COO)3 =>
6 CH3COOH + 2 Cr = 3 H2 + 2 Cr(CH3COO)3
KNO3 + C6H10O5 = KNO2 + CO2 + H2O =>
12 KNO3 + C6H10O5 = 12 KNO2 + 6 CO2 + 5 H2O
CH3OH + H2SO4 + K2Cr2O7 = HCOOH + K2SO4 + Cr2(S04)3 + H2O =>
21 CH3OH + 13 H2SO4 + K2Cr2O7 = 21 HCOOH + K2SO4 + Cr2(S04)3 + 34 H2O
KBr + HOH = KOH + H2 + Br =>
2 KBr + 2 HOH = 2 KOH + H2 + 2 Br
PbO2 + NaNO3 = Pb(NO3)4 + Na2O =>
PbO2 + 4 NaNO3 = Pb(NO3)4 + 2 Na2O
Ca + H2O = CaO2H2H2 =>
Ca + 2 H2O = CaO2H2H2
Cu(NO3)2*3H2O + C5H8O2 = CuO + N2 + H2O + CO2 =>
12 Cu(NO3)2*3H2O + 5 C5H8O2 = 12 CuO + 12 N2 + 56 H2O + 25 CO2
SF2 + H2 = H2S + HF =>
SF2 + 2 H2 = H2S + 2 HF
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3 + KNO3 =>
Pb(NO3)2(aq) + K2CO3(aq) = PbCO3 + 2 KNO3
Mg + NH3 + C3H8O3 = Mg3N2 + CH3OH =>
6 Mg + 4 NH3 + 3 C3H8O3 = 2 Mg3N2 + 9 CH3OH
K2HPO4 + BaCl2 = BaHPO4 + KCl =>
K2HPO4 + BaCl2 = BaHPO4 + 2 KCl
HONH2 + H2O = H3O + ONH2 =>
HONH2 + H2O = H3O + ONH2
CoCl3 + AgC2H3O2 = Co(C2H3O2)3 + AgCl =>
CoCl3 + 3 AgC2H3O2 = Co(C2H3O2)3 + 3 AgCl
As(s) + S(s) = As2S3(s) =>
2 As(s) + 3 S(s) = As2S3(s)
K[Cr(OH)4] = KOH + Cr(OH)3 =>
K[Cr(OH)4] = KOH + Cr(OH)3
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
Cr + CO2 = Cr2O3 + CO =>
2 Cr + 3 CO2 = Cr2O3 + 3 CO
Pe + Ni + S = PeNiS =>
Pe + Ni + S = PeNiS
NaH + O2 = Na2O + H2 =>
4 NaH + O2 = 2 Na2O + 2 H2
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
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