| Équations équilibrées la veille |
H2 + 2 Fe = 2 HFe
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
Cu(s) + S8 = Cu2S8 =>
2 Cu(s) + S8 = Cu2S8
H2SO4(H2O)5 = H2O + H2SO4 =>
H2SO4(H2O)5 = 5 H2O + H2SO4
HOH + CO2 = C6H12O6 + O2 =>
6 HOH + 6 CO2 = C6H12O6 + 6 O2
CaO + N2O3 = Ca(NO3)2 + NO =>
CaO + 3 N2O3 = Ca(NO3)2 + 4 NO
Rb[Al(OH)4] + HCl = AlCl3 + RbOH + H2O =>
Rb[Al(OH)4] + 3 HCl = AlCl3 + RbOH + 3 H2O
K3PO4 + H2O + P2O5 = K2HPO4 =>
4 K3PO4 + 3 H2O + P2O5 = 6 K2HPO4
CaCl2 + NH3 + H2O = NH4Cl + CaO(aq) =>
CaCl2 + 2 NH3 + H2O = 2 NH4Cl + CaO(aq)
Br{-} + CrO4{2-} + H{+} = Br2 + Cr3{+} + H2O =>
34 Br{-} + 6 CrO4{2-} + 48 H{+} = 17 Br2 + 2 Cr3{+} + 24 H2O
HCl + (Al)2(O)3 = Al(Cl)3 + H2O =>
6 HCl + (Al)2(O)3 = 2 Al(Cl)3 + 3 H2O
MgCl{-2} + KOH = Mg(OH){-2} + KCl =>
MgCl{-2} + KOH = Mg(OH){-2} + KCl
Sr3N2 = N2Sr3 =>
Sr3N2 = N2Sr3
K + C + O + Fe(CH3CO2)5 = Fe2(C2O4)3 + KCH3CO2 =>
10 K + 6 C + 12 O + 2 Fe(CH3CO2)5 = Fe2(C2O4)3 + 10 KCH3CO2
(N2) + (NaN3) = NaN5 =>
(N2) + (NaN3) = NaN5
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
S + KOH = K2S + K2SO4 + H2O =>
4 S + 8 KOH = 3 K2S + K2SO4 + 4 H2O
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
CH3CH2CH2CH2OH + KMnO4 = CH3CH2CH2COOH + H2O + MnO2 + K2O =>
3 CH3CH2CH2CH2OH + 4 KMnO4 = 3 CH3CH2CH2COOH + 3 H2O + 4 MnO2 + 2 K2O
C6H5Br + Mg + CO2 + HCl = C7H6O2 + ClMgBr =>
C6H5Br + Mg + CO2 + HCl = C7H6O2 + ClMgBr
P4 + IO3{-} + OH{-} = PO4{3-} + I{-} + H2O =>
3 P4 + 10 IO3{-} + 36 OH{-} = 12 PO4{3-} + 10 I{-} + 18 H2O
Na2S(aq) + HNO3(aq) = NaNO3 + H2S =>
Na2S(aq) + 2 HNO3(aq) = 2 NaNO3 + H2S
Fe2(SO4)3 + KOH = K2SO4 + Fe(OH)3 =>
Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3
Na2S2O8 + MnSO4 + NaOH = Na2SO4 + MnO2 + H2O =>
Na2S2O8 + MnSO4 + 4 NaOH = 3 Na2SO4 + MnO2 + 2 H2O
C8H5O4{-} + Cr2O7{-2} + H{+} = Cr{+3} + CO2 + H2O =>
C8H5O4{-} + 5 Cr2O7{-2} + 41 H{+} = 10 Cr{+3} + 8 CO2 + 23 H2O
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s) =>
KCl(aq) + CaS(aq) = KS(aq) + CaCl(s)
P + CO = P4O10 + C =>
4 P + 10 CO = P4O10 + 10 C
CH3OOH + H2O = H3O + COOH =>
CH3OOH + 3 H2O = 3 H3O + COOH
CH3COONa + Al(OH)3 = CH3COO + NaOH + Al =>
3 CH3COONa + Al(OH)3 = 3 CH3COO + 3 NaOH + Al
HNO3 + Na3PO4 = NaNO3 + H3PO4 =>
3 HNO3 + Na3PO4 = 3 NaNO3 + H3PO4
ZnS + O2 = ZnO + SO2 =>
2 ZnS + 3 O2 = 2 ZnO + 2 SO2
C2H5OH + PbCl2 = C2H5OPbCl + HCl =>
C2H5OH + PbCl2 = C2H5OPbCl + HCl
CaCl2(aq) + H2SO4(l) = CaSO4(s) + HCl(aq) =>
CaCl2(aq) + H2SO4(l) = CaSO4(s) + 2 HCl(aq)
Sn + FeCl32 = SnCl2 + Fe =>
16 Sn + FeCl32 = 16 SnCl2 + Fe
Fe{3+} + I{-} = Fe{4-} + I2 =>
2 Fe{3+} + 14 I{-} = 2 Fe{4-} + 7 I2
HCl + Na{2}SO{4} = NaCl + H{2}SO{4} =>
HCl + Na{2}SO{4} = NaCl + H{2}SO{4}
CH3COOH + HOCH2CH2CH3 = CH3COOCH2CH2CH3 + H2O =>
CH3COOH + HOCH2CH2CH3 = CH3COOCH2CH2CH3 + H2O
Fe2(SO4)3 + NaOH = Fe(OH)3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaOH = 2 Fe(OH)3 + 3 Na2SO4
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
K3[Fe(CN)6] + KCl = K4[Fe(CN)6] + Cl2 =>
2 K3[Fe(CN)6] + 2 KCl = 2 K4[Fe(CN)6] + Cl2
KBr + S = K2S + Br2 =>
2 KBr + S = K2S + Br2
Ba(NO3)2 + NH4OH = NH4(NO3)2 + BaOH =>
Ba(NO3)2 + NH4OH = NH4(NO3)2 + BaOH
C13H10O + NaBH4 + H2O = C13H12O + H3BO3 + NaOH =>
4 C13H10O + NaBH4 + 4 H2O = 4 C13H12O + H3BO3 + NaOH
Br2 + SO4 = Br2O4 + Br2S =>
2 Br2 + SO4 = Br2O4 + Br2S
Ca(OH)2(s) + CO2(g) = CaCO3 + H2O =>
Ca(OH)2(s) + CO2(g) = CaCO3 + H2O
Ag2CO3 + NaBr = AgBr + Na2CO3 =>
Ag2CO3 + 2 NaBr = 2 AgBr + Na2CO3
Fe2O3 + C3 = Fe2 + (CO)3 =>
Fe2O3 + C3 = Fe2 + (CO)3
Cr + NH4OH = Cr3NH4 + OH =>
3 Cr + NH4OH = Cr3NH4 + OH
Fe + (NO3)2 = FeN + O2 =>
2 Fe + (NO3)2 = 2 FeN + 3 O2
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