| Équations équilibrées la veille | Équations équilibrées le lendemain |
CaMnO3 + 6 HCl = CaCl2 + MnCl2 + 3 H2O + Cl2
NO2 + NOH4 = NH4NO3 =>
NO2 + NOH4 = NH4NO3
NH4Cl + CaBr2 = CaCl2 + NH4Br =>
2 NH4Cl + CaBr2 = CaCl2 + 2 NH4Br
NaClO4 + RbNO3 = NaNO3 + RbClO4 =>
NaClO4 + RbNO3 = NaNO3 + RbClO4
Mn2O3 + HCl = MnO2 + H2O + MnCl2 =>
Mn2O3 + 2 HCl = MnO2 + H2O + MnCl2
HCl + MnO2 = MnCl + Cl2 + H2O =>
8 HCl + 2 MnO2 = 2 MnCl + 3 Cl2 + 4 H2O
H2S + CUO = CU + SO2 + H2O =>
H2S + 3 CUO = 3 CU + SO2 + H2O
C2H7N + CH3I = C3H9N + NH4I =>
4 C2H7N + CH3I = 3 C3H9N + NH4I
K2CrO4 + Ba(NO3)2 + NaOH = Ba(OH)2 + Na2CrO4 + KNO3 =>
K2CrO4 + Ba(NO3)2 + 2 NaOH = Ba(OH)2 + Na2CrO4 + 2 KNO3
C6H3N3O7 + O2 = N2 + H2O + CO2 =>
4 C6H3N3O7 + 13 O2 = 6 N2 + 6 H2O + 24 CO2
CoCl2 + NH4Cl = CoNH4 + Cl3 =>
CoCl2 + NH4Cl = CoNH4 + Cl3
(NH4)2MoO4 + H2SO4 + Na2C2O4 = CO2 + H2O + Na2SO4 + Mo2O3 + NH3 =>
2(NH4)2MoO4 + 3 H2SO4 + 3 Na2C2O4 = 6 CO2 + 5 H2O + 3 Na2SO4 + Mo2O3 + 4 NH3
Cu2O + SO2 = Cu2S + O2 =>
2 Cu2O + 2 SO2 = 2 Cu2S + 3 O2
C4H10O + CrO3 + H2SO4 = C4H8O + Cr2(SO4)3 + H2O =>
3 C4H10O + 2 CrO3 + 3 H2SO4 = 3 C4H8O + Cr2(SO4)3 + 6 H2O
NO + H2O + O2 = HNO33 =>
4 NO + 2 H2O + 63 O2 = 4 HNO33
CoS + O2 = CoO2 + SO2 =>
CoS + 2 O2 = CoO2 + SO2
C2H7N + CH3I = C3H9N + NH4I =>
4 C2H7N + CH3I = 3 C3H9N + NH4I
Ca + YF3 = Y + CaF21111 =>
Ca + 7037 YF3 = 7037 Y + CaF21111
K2C2O4 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)3 + CO2 + H2O =>
3 K2C2O4 + K2Cr2O7 + 7 H2SO4 = 4 K2SO4 + Cr2(SO4)3 + 6 CO2 + 7 H2O
Cu2O + SO2 = Cu2S + O2 =>
2 Cu2O + 2 SO2 = 2 Cu2S + 3 O2
AlCl3 + NH4NH4 = NH4Cl + AlNH4 =>
AlCl3 + 2 NH4NH4 = 3 NH4Cl + AlNH4
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C4H8 + KMnO4 + H2SO4 + H2O = C4H8(OH)2 + MnSO4 + K2SO4 =>
5 C4H8 + 2 KMnO4 + 3 H2SO4 + 2 H2O = 5 C4H8(OH)2 + 2 MnSO4 + K2SO4
SnO2 + NaOH = Na2SnO3 + H2O =>
SnO2 + 2 NaOH = Na2SnO3 + H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
Cu(OH)2 + H4P2O5 = Cu4(P2O5)2 + H2O =>
4 Cu(OH)2 + 2 H4P2O5 = Cu4(P2O5)2 + 8 H2O
Cu + H2SO4 = Cu(SO4)2 + H2O + SO2 =>
Cu + 4 H2SO4 = Cu(SO4)2 + 4 H2O + 2 SO2
KNO3 + BaCl = BaNO3 + KCl =>
KNO3 + BaCl = BaNO3 + KCl
Ca + YF3 = Y + CaF2 =>
3 Ca + 2 YF3 = 2 Y + 3 CaF2
Cu + O2 = Cu2O =>
4 Cu + O2 = 2 Cu2O
Fe(CN)6K4 + HClO + H2SO4 = (SO4)3Fe2 + SO4K2 + HNO3 + HCl + CO2 + H2O =>
2 Fe(CN)6K4 + 61 HClO + 7 H2SO4 = (SO4)3Fe2 + 4 SO4K2 + 12 HNO3 + 61 HCl + 12 CO2 + H2O
LiNH2 + O2 = LiOH + H2O + N2 =>
4 LiNH2 + 3 O2 = 4 LiOH + 2 H2O + 2 N2
KMnO4 + NaOH + Na2S2O3 = K2MnO4 + Na2SO4 + Na2MnO4 + H2O =>
8 KMnO4 + 10 NaOH + Na2S2O3 = 4 K2MnO4 + 2 Na2SO4 + 4 Na2MnO4 + 5 H2O
Iron(ii)sulfide + potassium = potassiumsulfide + iron =>
FeS + 2 K = K2S + Fe
C2H5OH + KMnO4 + HNO3 = CH3COOH + Mn(NO3)3 + KNO3 + H2O =>
C2H5OH + KMnO4 + 4 HNO3 = CH3COOH + Mn(NO3)3 + KNO3 + 3 H2O
Pb + Fe(NO3)3 = Pb(NO3) + Fe =>
3 Pb + Fe(NO3)3 = 3 Pb(NO3) + Fe
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
Hg + NO2 = HgO + N2O =>
3 Hg + 2 NO2 = 3 HgO + N2O
Fe2O3 + CO = Fe + CO2 =>
Fe2O3 + 3 CO = 2 Fe + 3 CO2
HA + OH{-} = H3O{+} + A{-} =>
2 HA + OH{-} = H3O{+} + 2 A{-}
Cr2O3(s) + CCl4(l) = CrCl3(s) + COCl2(aq) =>
Cr2O3(s) + 3 CCl4(l) = 2 CrCl3(s) + 3 COCl2(aq)
HNO3 + Zn = ZnNO3 + N2 + H2O =>
12 HNO3 + 10 Zn = 10 ZnNO3 + N2 + 6 H2O
P + K2Cr2O7 = P2O5 + Cr2O3 + K2O =>
6 P + 5 K2Cr2O7 = 3 P2O5 + 5 Cr2O3 + 5 K2O
(NH4)2Cr2O7 + Sn(NO2)4 = NH4NO2 + Sn(Cr2O7)2 =>
2(NH4)2Cr2O7 + Sn(NO2)4 = 4 NH4NO2 + Sn(Cr2O7)2
CH3OH + (KOH) = CH2OK2 + (H2O) =>
CH3OH + 2(KOH) = CH2OK2 + 2(H2O)
C6H5NH2 + K2Cr2O7 + H2SO4 = C6H4O2 + K2SO4 + Cr2(SO4)3 + H2O + (NH4)2SO4 =>
6 C6H5NH2 + 4 K2Cr2O7 + 19 H2SO4 = 6 C6H4O2 + 4 K2SO4 + 4 Cr2(SO4)3 + 16 H2O + 3(NH4)2SO4
C6H12O6 + O2 = CO2 + C6H12O6*H2O =>
7 C6H12O6 + 6 O2 = 6 CO2 + 6 C6H12O6*H2O
KCl + O2 = KClO3 =>
2 KCl + 3 O2 = 2 KClO3
K2CrO4 + K2S + H2SO4 = KHSO4 + Cr(SO3)3 + H2O =>
4 K2CrO4 + 3 K2S + 23 H2SO4 = 14 KHSO4 + 4 Cr(SO3)3 + 16 H2O
MgCl2 + H2SO4 = MgSO4 + HCl =>
MgCl2 + H2SO4 = MgSO4 + 2 HCl
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